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Andair Fuel Valve

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Sean Blair

Joined: 09 Jan 2006
Posts: 39
Location: Colorado Springs

Posted: Sun Feb 26, 2006 8:15 pm Post subject: Andair Fuel Valve

Okay....I'm still learning, but on the Andair Valve it seems that many

people are utilizing the valve with a "left" and "right" selection only.

Wouldn't it be beneficial to have a "both" selection as well, like the

FS20X4?



Sean B.

#40225



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Sean S. Blair
#40225
N967SB (reserved)

Tim(at)MyRV10.com
Guest

Posted: Sun Feb 26, 2006 8:53 pm Post subject: Andair Fuel Valve

I don't think you'd want this on a low-wing plane.

Besides that, it's easier to practice good fuel management and have

reserve if you're always keeping the tanks separate.



Tim Olson - RV-10 N104CD - Flying

do not archive

Sean Blair wrote:

 	  Quote: 	
		   

 

 

 

 Okay....I'm still learning, but on the Andair Valve it seems that many

 people are utilizing the valve with a "left" and "right" selection only.

 Wouldn't it be beneficial to have a "both" selection as well, like the

 FS20X4?

 

 Sean B.

 #40225

 

 Do Not Archive

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Sean Blair

Joined: 09 Jan 2006
Posts: 39
Location: Colorado Springs

Posted: Sun Feb 26, 2006 9:18 pm Post subject: Andair Fuel Valve

Thanks Tim.   Knowing what you know now, would you choose the FS20X3 (180

degrees) or FS20X7 (45 degrees) based on installation aspects?  Also, male

or female fittings? 



Sean B.

#40225



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Sean S. Blair
#40225
N967SB (reserved)

Tim(at)MyRV10.com
Guest

Posted: Sun Feb 26, 2006 9:47 pm Post subject: Andair Fuel Valve

That's a tough one.  I'd like to see how Larry's install goes with the

FS20X7 valve before I'd decide.  On one hand, the FS20X3 is kind of

weird with the inlets on the Left and Front.  On the other hand, I can't

tell if there is going to be any clearance problem with the outlet 

passing by the tubes on the new valve.  My guess is there won't be any

problem and the FS20X7 would be the best valve for the job.  I would

get 90 degree Male -6 fittings on the valve.  I wouldn't get NPT

fittings and add my own elbows, I'd get the built-in Andair elbows so

that all 3 connections come off the bottom.  I am not having any

problems at all with my install, and I'm appreciating my flex fuel

lines greatly.  I do think though that if I could start all over

I'd be using the 90 degree (45 to Left and 45 to right) valve.  It'll

be great to see how Larry's comes out.  The proof will be when the

fuel filter and pump are all connected.  I think the hardest part

is the positioning and fittings used to mount the valve to the filter,

while still allowing clearance for the elevator bellcrank that hooks

up to the sticks.



I did learn something from my DAR who happens to work at Cirrus.

Cirrus uses Andair valves in their aircraft. So I guess even the

pros like them.



Tim Olson - RV-10 N104CD - Flying

do not archive

Sean Blair wrote:

[quote] 

 

 Thanks Tim.   Knowing what you know now, would you choose the FS20X3 (180

 degrees) or FS20X7 (45 degrees) based on installation aspects?  Also, male

 or female fittings? 

 

 Sean B.

 #40225

 

 Do Not Archive

 

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Sean Blair

Joined: 09 Jan 2006
Posts: 39
Location: Colorado Springs

Posted: Sun Feb 26, 2006 10:32 pm Post subject: Andair Fuel Valve

This is very helpful advice. Thanks..........again.



Sean

#40225



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Sean S. Blair
#40225
N967SB (reserved)

rv10es(at)earthlink.net
Guest

Posted: Mon Feb 27, 2006 4:29 am Post subject: Andair Fuel Valve

If you have a "Both" selection in a low wing plane, one tank will run  

dry first.  You will be left with fuel in one tank and a fuel starved  

engine!



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rob kermanj

rv10es(at)earthlink.net



On Feb 26, 2006, at 11:12 PM, Sean Blair wrote:



 	  Quote: 	
		   



 Okay....I'm still learning, but on the Andair Valve it seems that many

 people are utilizing the valve with a "left" and "right" selection  

 only.

 Wouldn't it be beneficial to have a "both" selection as well, like the

 FS20X4?



 Sean B.

 #40225



 Do Not Archive

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LarryRosen

Joined: 16 Jan 2006
Posts: 415
Location: Medford, NJ

Posted: Mon Feb 27, 2006 12:28 pm Post subject: Andair Fuel Valve

If you use an extension  and coupler you can orient the valve any way 

you want.  You would be able to rotate the FS20x3 45 degrees and still 

have off to the rear, right to the right and left to the left.  The 

coupler (rotary adapter) consists of two parts each with a female socket 

to accept the extruded extension tube. It allows one to orientate the 

upper section differently with respect to the lower section. Nuts and 

bolts are supplied to clamp each section together in the desired 

position.  You can see the adapter here 

<http://www.andair.co.uk/system/index.html>



If I were to do it again I would get the valve with the new elbow (as 

long as it can be rotated to point down) that will connect the flared 

tubing for both inlets and the female NPT connection on the bottom.  I 

got the valve configured with all female NPT fittings because I thought 

I would install it just like the stock vans valve.  That did not work 

out since the Andair valve is larger than the stock vans valves and I 

had side wall interference issues.



I do believe connecting the fuel filter and fuel pump will be able to be 

accomplished without interferences with the control mechanism.  But this 

area is tight, with lots of bends.  No matter what the configuration 

using tubing is going to be challenging.  Flex hoses would be a great 

solution, but IMHO I would prefer all aircraft grade components in the 

installation of the fuel lines.



Larry Rosen



Sean Blair wrote:



 	  Quote: 	
		  



Thanks Tim.   Knowing what you know now, would you choose the FS20X3 (180

degrees) or FS20X7 (45 degrees) based on installation aspects?  Also, male

or female fittings? 



Sean B.

#40225

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Larry Rosen
#40356
N205EN (reserved)
<http>

jjessen(at)rcn.com
Guest

Posted: Mon Feb 27, 2006 1:40 pm Post subject: Andair Fuel Valve

The flexible hoses are not aircraft grade?  I thought you could get flexible

fuel hoses that are?  



John Jessen

  ~328 (on the road and thus not building, darn) 



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LarryRosen

Joined: 16 Jan 2006
Posts: 415
Location: Medford, NJ

Posted: Mon Feb 27, 2006 4:52 pm Post subject: Andair Fuel Valve

Installed the rest of the fuel system, less the 90 degree elbows to 

connect to the fuel valve and less the tubing connecting the flowscan 

unit to the firewall forward.  I need some more 3/8" tubing.  Too much 

rework  .  Web site was updated 

<http://lrosen.nerv10.com/Construct/Log/Fuselage/Fuel_lines/index.html>  

Small photo attached.



-- 



Larry Rosen

RV-10 #356

http://lrosen.nerv10.com

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Larry Rosen
#40356
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