Matronics Email Lists :: View topic - Kolb Wing Attach Points

Matronics Email Lists
Web Forum Interface to the Matronics Email Lists

Get Email Distribution Too! FAQ Search Memberlist Usergroups Register

Profile Log in to check your private messages Log in

Kolb Wing Attach Points
Goto page Previous 1, 2, 3 Next

Matronics Email Lists Forum Index -> Kolb-List

View previous topic :: View next topic

Author Message

d-m-hague(at)comcast.net
Guest

Posted: Sat Apr 07, 2007 12:27 pm Post subject: Kolb Wing Attach Points

At 04:11 AM 4/8/2007, Larry Cottrell wrote:



 	  Quote: 	
		  Then one could safely surmise that you just enjoy being a "Devils 

Advocate", or something painful like that!  :-/



The most likely failure of any part in a Kolb is always going to be the brain.


	


The design had me a little nervous, after looking at my own plane.  This 

discussion (which I didn't start) got me thinking about it... after 

analyzing it I came to the conclusion (surprise, surprise) that Homer knew 

what he was doing. 



                                 -Dana

--

--

The citizens of the United States are getting the government they deserve. 

The problem is that I'm also getting the government they deserve.

Paul Petty

Joined: 11 Jan 2006
Posts: 226
Location: Mississippi

Posted: Sat Apr 07, 2007 12:41 pm Post subject: Re: Kolb Wing Attach Points

Dana,



I guess one does have to trust the design and look at the track record. Myself dont see how in the world those tiny pins hold up. But im not about to change such a critical component. You and Mike seam to be pretty brainy about this stuff so maybe you can enlightn me on something. With the pins being so small but apparently strong, why are the lift struts so beefy? You should have seen the barbells for lift struts TNK sent me with my kit   they did not fit the lift strut "ends" and I opted to use the ones that kolb has used for ages. If the tiny pin is so strong why are the struts so masive? And have 6 AN bolts in each one? 

do not archive

_________________
Paul Petty
Kolbra #12
Ms Dixie
912 UL 70" warp

GeoR38

Joined: 25 Jan 2006
Posts: 60
Location: The Villages, fl

Posted: Sat Apr 07, 2007 12:50 pm Post subject: Kolb Wing Attach Points

In a message dated 4/7/2007 4:08:38 P.M. Eastern Daylight Time,  WillUribe(at)aol.com writes:

  	  Quote: 	
		     Greetings, 

   In the 11 years I have been a list member, every once in a while, I    read with great amusement how people want to change Homer's design because    they feel they can do a better job. IMHO nothing is going to just    break if you build it to plans so stop worrying so much.

   Regards,

   Guillermo Uribe

   FireStar II N4GU

   El Paso, TX

   

	


 

 Um witcha !00% buddy!!

  

 George Randolph

 firestar driver from theVillages, Fl



See what's free at AOL.com.

P24-MO~1.JPG

Description:

Filesize:

56.86 KB

Viewed:

409 Time(s)

_________________
George Randolph
Firestar driver, The Villages, fl

flykolb(at)pa.net
Guest

Posted: Sat Apr 07, 2007 2:29 pm Post subject: Kolb Wing Attach Points

Re: Pins & some anecdotal evidence:



I recall a number of collisions, crashes and other instances where Kolbs

have come to unusually abrupt stops.  I recall seeing the square tubing to

which the wing tabs are attached ripped in half - but I have never seen a

failed pin.  So, for crash loading (and probably inflight loading as well)

you will probably have more productive time worrying about the strength of

the tube to which the pin is attached because it appears to be the weaker

link.  Personally I have spent more time thinking about the safety pin

falling out or ... thinking if I actually installed the pin or not.  When

you land and are putting the airplane away and find an unused safety pin ...

then you'll spend more time thinking / worrying about more worthwhile

things.



Dennis



 	  Quote: 	
		  There are hundreds of Kolbs out there and there are even a few Kolbs that 

have thousands of hours on them with in-flight loads over gross and the 

has never been even a bent pin (from flight loads).

flykolb(at)pa.net
Guest

Posted: Sat Apr 07, 2007 2:36 pm Post subject: Kolb Wing Attach Points

Oops, I should quickly add that I have never heard of a safety pin falling

out, so no basis for that irrational concern either 

Dennis



--

d-m-hague(at)comcast.net
Guest

Posted: Sat Apr 07, 2007 4:53 pm Post subject: Kolb Wing Attach Points

At 04:41 PM 4/7/2007, Paul Petty wrote:

 	  Quote: 	
		  ...If the tiny pin is so strong why are the struts so masive? And have 6 

AN bolts in each one?


	


I couldn't really say, not being familiar with the newer Kolbs... but I'd 

guess that they're way stronger than they need to be in tension (normal 

flight), but need to be that strong to handle compression (negative g's and 

landing loads) without buckling.



Dunno 'bout the 6 AN bolts, perhaps to spread the load out on the thinwall 

tubing?



                                 -Dana

--

--

The citizens of the United States are getting the government they deserve. 

The problem is that I'm also getting the government they deserve.

jbhart(at)onlyinternet.ne
Guest

Posted: Sat Apr 07, 2007 7:11 pm Post subject: Kolb Wing Attach Points

At 05:06 PM 4/5/07 -0700, you wrote:

 	  Quote: 	
		  


	


Michael,



I got to wondering what would be the load and stress condition on the strut 

and main wing attachment pins for the FireFly.  I took some measurements 

from the FireFly.  I found:



Distance from upper fuselage pin to end of wing - 10.5 feet

Distance from upper fuselage pin to upper strut pin - 3.83 feet

Angle of strut to wing - 45 degrees.



Assuming a gross weight of 500 pounds, one can simulate the loading by 

placing a point load of 250 pounds at the center of the wing.  Below is a 

crude representation of the wing.  "A" represents the upper fuselage pin.  

"B" represents the upper strut pin(s).  "L" is the lift concentrated at the 

center of the wing over the main spar.  We can get away with this because we 

are interested in pin loads and not the stress distribution of the main 

spar.  "y-up" indicates the load pin is up, etc.



y-up                      y-up

A<----3.83'---->B<-1.42'->L<-------------5.25'------------|

                y-down   250#



Summing the moments about Pin A gives:



5.25' x 250# - By x 3.83' = 0 



By = 5.25x250/3.83 = 343#



Summing forces in Y gives Ay = 343 - 250 = 93# up



Looking at the strut attachment, we know it lies at a 45 degree angle.  

Therefore we know that Bx has to have a value of 343 pounds.  Multiplying by 

the square root of two tells that the upper strut attachment pins must share 

485 pounds and this total load must be carried by the single lower pin.  The 

upper wing support pin must with stand the square root of 93 squared plus 

343 squared, which equals 355 pounds.



Therefore for a one g the loads are:



Wing fuselage attachment pin -> 355#

Upper wing strut pins -> 243# each

Lower wing strut pin -> 485#



The FireFly info states it was designed for 4 g yield and 6 g ultimate.  For 

the single lower strut 5/16 inch OD pin the corresponding loads would be 

1,832# and 2,910#.  Looking at the lower end structure the pin is supported 

in a 9/16 inch wide clevis.  Calculating the bending stress for the pin with 

the load placed at the pin center calculates out to be 58,000 psi for 4 g 

and 92,000 psi for 6 g.  The minimum tensile stress values for 4130 is 

75,000 psi yield and 95,000 psi ultimate.  This indicates for the FireFly 

there is a safe margin for the pin at 4 g with no deformation.  If you want 

to put it through 6 g the pin may deform but it is not likely to separate.



Never thought I would do this.  But since the question came up and it is 

cold and snowing, here it is.  It all goes to show that if you are gentle in 

the way you treat your FireFly, it will be kind to you too.



Jack B. Hart FF004

Winchester, IN

possums(at)bellsouth.net
Guest

Posted: Sat Apr 07, 2007 9:40 pm Post subject: Kolb Wing Attach Points

At 12:23 AM 4/8/2007, you wrote:

 	  Quote: 	
		  



At 05:06 PM 4/5/07 -0700, you wrote:

 >



Michael,



I got to wondering what would be the load and stress condition on the

.(snip)...
	


 	  Quote: 	
		  main wing attachment pins for the FireFly.  I took some measurements


	


Give it a break guys, you are not going to break that pin in flight - 

period...no way!

We have crashed Kolbs into the trees, ground, mashed them so flat (doing stupid

things) that the engine was crushed. Killed more than two guys doing 

it - I shouldn't say that,

should I ? BUT "those" pins never failed - I don't think you could 

make them fail "in flight".

It's way easier to find something else to look for. Control linkages 

or something

like that. If nothing else look at your elevator linkage. I could 

land without ailerons,

without a rudder, etc.  Maybe without the elevator - been practicing 

with the trottle.

Sorry about the "Easter Bunny" thing if it offended anybody .just a 

funny picture.

jbhart(at)onlyinternet.ne
Guest

Posted: Sun Apr 08, 2007 4:43 am Post subject: Kolb Wing Attach Points

At 01:39 AM 4/8/07 -0400, you wrote:

 	  Quote: 	
		  



Sorry about the "Easter Bunny" thing if it offended anybody .just a 

funny picture.



Possum,
	




Suspected pin failure?



Jack B. Hart FF004

Winchester, IN



do not archive

d-m-hague(at)comcast.net
Guest

Posted: Sun Apr 08, 2007 5:08 am Post subject: Kolb Wing Attach Points

At 12:23 AM 4/8/2007, Jack B. Hart wrote:

 	  Quote: 	
		  ...Calculating the bending stress for the pin with

the load placed at the pin center calculates out to be 58,000 psi for 4 g

and 92,000 psi for 6 g.  The minimum tensile stress values for 4130 is

75,000 psi yield and 95,000 psi ultimate.  This indicates for the FireFly

there is a safe margin for the pin at 4 g with no deformation.  If you want

to put it through 6 g the pin may deform but it is not likely to separate...


	


Just two comments:  Clevis pins and AN bolts are typically heat treated to 

125 ksi ultimate... but you must also figure the 1.5 safety factor.



                                 -Dana

--

--

The citizens of the United States are getting the government they deserve. 

The problem is that I'm also getting the government they deserve.

ul15rhb(at)juno.com
Guest

Posted: Sun Apr 08, 2007 5:53 am Post subject: Kolb Wing Attach Points

I have checked my clevis pins many times over the years and they don't 

seem to wear. I have replaced the wing pins only 3 times in 20 years 

only because I thought I should.



Ralph Burlingame

Original Firestar

20 years flying it



-- "Dennis Souder" <flykolb(at)pa.net> wrote:




Oops, I should quickly add that I have never heard of a safety pin 

falling

out, so no basis for that irrational concern either 

Dennis



--

captainron1(at)cox.net
Guest

Posted: Sun Apr 08, 2007 8:40 am Post subject: Kolb Wing Attach Points

Good analysis Jack. I don't know about others but I like to see hard          math solutions. One question though, the pin itself is about .25 in          diameter that would take down the psi value by .75 wouldn't it? I have          often seen that and just as often thought that if its predicated on          per square inch then when using a fastener a fraction of a square inch          then the strength value should be adjusted accordingly. So if you          would what is the real sheer value, or the bend tolerance value of the          pin using the math. I am also wondering about SS fasteners. In several          places I replaced AN bolts with SS bolts. I think I came across          somewhere in the past that standard SS fasteners are stronger in all          respects than AN fasteners. Would you know anything about that? I          can't remember where to look up those values.              

                       

         Ron (Arizona)              

                       

         =========================

---- "Jack B. Hart"          <jbhart(at)onlyinternet.net> wrote:



=============

-->          Kolb-List message posted by: "Jack B. Hart" <jbhart(at)onlyinternet.net>



 At 05:06 PM 4/5/07 -0700, you wrote:

 	  Quote: 	
		  --> Kolb-List message posted by:          "JetPilot" <orcabonita(at)hotmail.com>


	


Michael,



 I got to wondering what would be the load and stress condition on the strut

         and main wing attachment pins for the FireFly. I took some measurements

 from the FireFly. I found:



Distance from upper fuselage pin to end of          wing - 10.5 feet

Distance from upper fuselage pin to upper strut          pin - 3.83 feet

Angle of strut to wing - 45 degrees.



         Assuming a gross weight of 500 pounds, one can simulate the loading by

 placing a point load of 250 pounds at the center of the wing. Below is a

         crude representation of the wing. "A" represents the upper fuselage          pin.

"B" represents the upper strut pin(s). "L" is the lift          concentrated at the

center of the wing over the main spar. We can          get away with this because we

are interested in pin loads and not          the stress distribution of the main

spar. "y-up" indicates the load          pin is up, etc.



y-up y-up

         A<----3.83'---->B<-1.42'->L<-------------5.25'------------|

 y-down 250#



Summing the moments about Pin A gives:



5.25' x 250#          - By x 3.83' = 0



By = 5.25x250/3.83 = 343#



Summing          forces in Y gives Ay = 343 - 250 = 93# up



Looking at the strut          attachment, we know it lies at a 45 degree angle.

Therefore we know          that Bx has to have a value of 343 pounds. Multiplying by

the          square root of two tells that the upper strut attachment pins must          share

485 pounds and this total load must be carried by the single          lower pin. The

upper wing support pin must with stand the square          root of 93 squared plus

343 squared, which equals 355 pounds.



 Therefore for a one g the loads are:



Wing fuselage attachment pin ->          355#

Upper wing strut pins -> 243# each

Lower wing strut pin          -> 485#



The FireFly info states it was designed for 4 g          yield and 6 g ultimate. For

the single lower strut 5/16 inch OD pin          the corresponding loads would be

1,832# and 2,910#. Looking at the          lower end structure the pin is supported

in a 9/16 inch wide          clevis. Calculating the bending stress for the pin with

the load          placed at the pin center calculates out to be 58,000 psi for 4 g

         and 92,000 psi for 6 g. The minimum tensile stress values for 4130 is

 75,000 psi yield and 95,000 psi ultimate. This indicates for the FireFly

         there is a safe margin for the pin at 4 g with no deformation. If you          want

to put it through 6 g the pin may deform but it is not likely          to separate.



Never thought I would do this. But since the          question came up and it is

cold and snowing, here it is. It all          goes to show that if you are gentle in

the way you treat your          FireFly, it will be kind to you too.



Jack B. Hart FF004

         Winchester, IN



         http://www.matronics.com/Navigator?Kolb-List

 --

kugelair.com

            

      [quote][b]

d-m-hague(at)comcast.net
Guest

Posted: Sun Apr 08, 2007 10:06 am Post subject: Kolb Wing Attach Points

At 12:40 PM 4/8/2007, Ron wrote:



  	  Quote: 	
		  One question though, the pin itself is about .25 in diameter that would take down the psi value by .75 wouldn't it? I have often seen that and just as often thought that if its predicated on per square inch then when using a fastener a fraction of a square inch then the strength value should be adjusted accordingly. So if you would what is the real sheer value, or the bend tolerance value of the pin using the math. 	


 Two points:  First, the tables giving the rated strength of AN fasteners list the actual strength (tensile or shear) of that particular fastener, in pounds, so no calculation is necessary.  If you *were* doing the calculation, you'd figure the cross sectional area; for a 1/4" diameter pin the area is 0.049 in².



 For bending it's a different situation.  The tables don't list this (since bolts aren't supposed to be loaded in bending).  In this case you have to treat it as a little beam, figuring the length, loads, diameter, and moment of inertia to calculate the actual stress.



 A pin or bolt that's double the diameter has 4X the tensile or shear strength, and 8X the bending strength.



                                 -Dana



                                 -Dana



  	  Quote: 	
		   I am also wondering about SS fasteners. In several places I replaced AN bolts with SS bolts. I think I came across somewhere in the past that standard SS fasteners are stronger in all respects than AN fasteners. Would you know anything about that? I can't remember where to look up those values. 



 Ron (Arizona) 



 =========================

 ---- "Jack B. Hart" <jbhart(at)onlyinternet.net> wrote:



 =============

 --> Kolb-List message posted by: "Jack B. Hart" <jbhart(at)onlyinternet.net>



 At 05:06 PM 4/5/07 -0700, you wrote:

 >--> Kolb-List message posted by: "JetPilot" <orcabonita(at)hotmail.com>



 Michael,



 I got to wondering what would be the load and stress condition on the strut

 and main wing attachment pins for the FireFly. I took some measurements

 from the FireFly. I found:



 Distance from upper fuselage pin to end of wing - 10.5 feet

 Distance from upper fuselage pin to upper strut pin - 3.83 feet

 Angle of strut to wing - 45 degrees.



 Assuming a gross weight of 500 pounds, one can simulate the loading by

 placing a point load of 250 pounds at the center of the wing. Below is a

 crude representation of the wing. "A" represents the upper fuselage pin.

 "B" represents the upper strut pin(s). "L" is the lift concentrated at the

 center of the wing over the main spar. We can get away with this because we

 are interested in pin loads and not the stress distribution of the main

 spar. "y-up" indicates the load pin is up, etc.



 y-up y-up

 A<----3.83'---->B<-1.42'->L<-------------5.25'------------|

 y-down 250#



 Summing the moments about Pin A gives:



 5.25' x 250# - By x 3.83' = 0



 By = 5.25x250/3.83 = 343#



 Summing forces in Y gives Ay = 343 - 250 = 93# up



 Looking at the strut attachment, we know it lies at a 45 degree angle.

 Therefore we know that Bx has to have a value of 343 pounds. Multiplying by

 the square root of two tells that the upper strut attachment pins must share

 485 pounds and this total load must be carried by the single lower pin. The

 upper wing support pin must with stand the square root of 93 squared plus

 343 squared, which equals 355 pounds.



 Therefore for a one g the loads are:



 Wing fuselage attachment pin -> 355#

 Upper wing strut pins -> 243# each

 Lower wing strut pin -> 485#



 The FireFly info states it was designed for 4 g yield and 6 g ultimate. For

 the single lower strut 5/16 inch OD pin the corresponding loads would be

 1,832# and 2,910#. Looking at the lower end structure the pin is supported

 in a 9/16 inch wide clevis. Calculating the bending stress for the pin with

 the load placed at the pin center calculates out to be 58,000 psi for 4 g

 and 92,000 psi for 6 g. The minimum tensile stress values for 4130 is

 75,000 psi yield and 95,000 psi ultimate. This indicates for the FireFly

 there is a safe margin for the pin at 4 g with no deformation. If you want

 to put it through 6 g the pin may deform but it is not likely to separate.



 Never thought I would do this. But since the question came up and it is

 cold and snowing, here it is. It all goes to show that if you are gentle in

 the way you treat your FireFly, it will be kind to you too.



 Jack B. Hart FF004

 Winchester, IN



 



 http://www.matronics.com/Navigator?Kolb-List

 --

 kugelair.com



  	  Quote: 	
		  



Email Forum -

http://www.matronics.com/Navigator?Kolb-List

; 

- NEW MATRONICS WEB FORUMS -

http://forums.matronics.com



[/b] 	
	


 --

 --

 The citizens of the United States are getting the government they deserve. The problem is that I'm also getting the government they deserve.    [quote][b]

jbhart(at)onlyinternet.ne
Guest

Posted: Sun Apr 08, 2007 1:11 pm Post subject: Kolb Wing Attach Points

At 09:04 AM 4/8/07 -0400, you wrote:

 	  Quote: 	
		  



Just two comments:  Clevis pins and AN bolts are typically heat treated to 

125 ksi ultimate... but you must also figure the 1.5 safety factor.


	


Dana,



In the analysis I used there was a built in fudge factor, in that I did not 

remove the weight of the wing.  The upper pins support only that weight of 

the structure attached to the wing.  Assuming each wing weighs 30 pounds (I 

have never weighed one), the one g pin loads would be reduced. 



Therefore the one g loads change from => to:



Wing fuselage attachment pin -> 355# => 312#

Upper wing strut pins -> 243# each => 214#

Lower wing strut pin -> 485# => 427#



The 4g/6g load on the lower strut pin would be 1708#/2562# and the 

corresponding pin bending stress would be 54,100psi/81,100psi.



On heat treated bolts the yield strength moves higher toward the ultimate 

strength.  Assuming 0.7 x 125,000 = 88,500 psi is the yield strength, the 

lower pin is not loaded beyond the elastic limit.  Both of the 4g/6g 

stresses give a greater than 1.5 safety factor (1.64/1.54).



If the pin size was reduced from 5/16 to 1/4 inch OD, the 4g/6g pin stress 

would be 78,200psi/117,300psi.  The safety factor calculates out to 

1.13/1.07.



Jack B. Hart FF004

Winchester, IN

d-m-hague(at)comcast.net
Guest

Posted: Sun Apr 08, 2007 1:58 pm Post subject: Kolb Wing Attach Points

At 06:22 PM 4/8/2007, Jack B. Hart wrote:

<snip>



Jack, I think we agree... it's strong enough. 



				-Dana



do not archive

--

--

The citizens of the United States are getting the government they deserve. 

The problem is that I'm also getting the government they deserve.

slyck(at)frontiernet.net
Guest

Posted: Sun Apr 08, 2007 4:37 pm Post subject: Kolb Wing Attach Points

I too don't worry about the pins breaking. Falling out maybe.   

Although my plane is parked near the house in the summer

it IS out of view.  I am perhaps a little paranoid about the safety  

pins and possible brainless pranksters, so I make a

point of either feeling or viewing each and every pin at each  

preflight.  Since I never fold them I will most likely go

to regular threaded pins soon.  My only modification has been a splop  

of clear RTV at the lower strut attach to stop

the taxi rattles.  It pulls off easily when the struts are removed in  

the winter.

BTW, a snap roll, performed at near stall and providing you have  

enough rudder to get it to go, doesn't stress anything much.

-Maybe the pilot?    The worst that can happen is you will be  

looking at the ground through the front. window.

BB do not archive

Dennis.Kirby(at)kirtland.
Guest

Posted: Mon Apr 09, 2007 7:53 am Post subject: Kolb Wing Attach Points

"Dennis Souder" said: << Personally I have spent more time thinking if I

actually installed the pin or not.  When you land and are putting the

airplane away and find an unused safety pin ... Dennis >>



Friends - I am not proud to admit that this has happened to me, sometime

in my first year of flying my newly-completed Kolb.



I was folding my wings up, following an hour's flight one morning.

Noticed the wing spar clevis pin was in place, but I had apparently

forgotten to install the safety pin.  Talk about a shock!  Stood there

staring at the pin, dumbstruck, for several minutes.  Luckily, the pin

stayed right in place the whole flight.



I have since renewed my focus during my preflight inspections.  Mental

attitude and discipline are important contributors here.



Dennis Kirby

Happy to be here to tell you this story, in

Cedar Crest, NM

Do not archive

Ed in JXN

Joined: 24 Mar 2006
Posts: 122

Posted: Mon Apr 09, 2007 8:28 am Post subject: Kolb Wing Attach Points

Michael/All,



        I'm very concerned with any 'shade-tree/TLAR (that looks about 

right)' engineering on any of Homer's designs unless you have some 

aeronautical engineering expertise or someone onboard who does.  There's no 

history of the parts failing, so why the concern?



Ed in JXN

MkII/503

---

ul15rhb(at)juno.com
Guest

Posted: Mon Apr 09, 2007 8:33 am Post subject: Kolb Wing Attach Points

I have heard of two kolbs being flown without the nut on the TE wing 

bolt (on the universal joint). One of these guys was a buddy of mine 

and I personally witnessed seeing no nut on the wing joint. He 

turned "white as a sheet" when I pointed that out to him. He had just 

returned from a 150-mile trip. He had the wings off prior to the trip 

and forgot to put on the nut.



Another buddy flew his Firestar without the aileron pinned into the 

horn. He said it flew fine on one aileron.



Ralph



-- "Kirby Dennis Contr MDA/AL" <Dennis.Kirby(at)kirtland.af.mil> wrote:


<Dennis.Kirby(at)kirtland.af.mil>



 

"Dennis Souder" said: << Personally I have spent more time thinking 

if I

actually installed the pin or not.  When you land and are putting the

airplane away and find an unused safety pin ... Dennis >>



Friends - I am not proud to admit that this has happened to me, 

sometime

in my first year of flying my newly-completed Kolb.



I was folding my wings up, following an hour's flight one morning.

Noticed the wing spar clevis pin was in place, but I had apparently

forgotten to install the safety pin.  Talk about a shock!  Stood there

staring at the pin, dumbstruck, for several minutes.  Luckily, the pin

stayed right in place the whole flight.



I have since renewed my focus during my preflight inspections.  Mental

attitude and discipline are important contributors here.



Dennis Kirby

Happy to be here to tell you this story, in

Cedar Crest, NM

Do not archive

 

________________________________________________________________________

Interested in getting caught up on today's news?

Click here to checkout USA TODAY Headlines.

http://track.juno.com/s/lc?s=198954&u=http://www.usatoday.com/news/front.htm?csp 4

d-m-hague(at)comcast.net
Guest

Posted: Mon Apr 09, 2007 8:50 am Post subject: Kolb Wing Attach Points

At 12:32 PM 4/9/2007, Ralph wrote:



 	  Quote: 	
		  Another buddy flew his Firestar without the aileron pinned into the

horn. He said it flew fine on one aileron.


	


I'll bet there was a bit of adverse yaw when rolling towards the 

disconnected side, though!



                                 -Dana



do not archive

--

--

The citizens of the United States are getting the government they deserve. 

The problem is that I'm also getting the government they deserve.

Display posts from previous:

	Matronics Email Lists Forum Index -> Kolb-List	All times are GMT - 8 Hours Goto page Previous 1, 2, 3 Next
Page 2 of 3

Jump to:

You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot vote in polls in this forum
You cannot attach files in this forum
You can download files in this forum