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erichweaver(at)cox.net
Guest

Posted: Sun Jan 15, 2006 9:17 am Post subject: Garmin avionics trays

In researching my panel, I occcasionally have come across the gripe that the Garmin avionics trays were non-standard in that they were 6.3 inches wide instead of 6.25, and thus required the use of washers if installed with other non-Garmin components.  I recently purchased the Garmin SL-40 transceiver and GTX-327 transponder.  Measured the trays, and both were 6.25, so it appears that this issue has been taken care of.  Thought I would pass this along to others contemplating panel choices.



regards



Erich Weaver

gyoung

Joined: 09 Jan 2006
Posts: 211
Location: Republic of Texas

Posted: Sun Jan 15, 2006 2:53 pm Post subject: Garmin avionics trays

The issue, at least my experience, was that the PS Engineering tray

(PS7000 = SL15) was wider that the "real" UPSAT/Garmin units (SL-30,

SL-70, GX-60 for me) and necessitated spacers for the non-PS units. The

mounting holes spacing (fore-aft) is not the same either but that's

really minor. I don't think the Garmin audio panel (GMA340??) is made by

PS Engineering so it may not have the same issue. 



Regards,

Greg Young - Houston (DWH)

RV-6 N6GY ...project Phoenix

Navion N5221K - just an XXL RV-6A



 

 	  Quote: 	
		   

 

 

 In researching my panel, I occcasionally have come across the 

 gripe that the Garmin avionics trays were non-standard in 

 that they were 6.3 inches wide instead of 6.25, and thus 

 required the use of washers if installed with other 

 non-Garmin components.  I recently purchased the Garmin SL-40 

 transceiver and GTX-327 transponder.  Measured the trays, and 

 both were 6.25, so it appears that this issue has been taken 

 care of.  Thought I would pass this along to others 

 contemplating panel choices.

 

 regards

 

 Erich Weaver

Tim(at)MyRV10.com
Guest

Posted: Sun Jan 15, 2006 9:16 pm Post subject: Garmin avionics trays

I can verify that it's not "fixed"...doubt that it ever will be

except that maybe new models coming out will be more standardized.



My PS Engineering 8000, GNS480, SL-30, and GTX330 Transponder

had at least one or two of them that were 6.3 while

the others were 6.25.  All of it was new this year.

Nothing was a major problem.  The biggest problem I had, which

is a tip any GNS480 buyer should remember, is make sure you

mount your GNS480 tray at least flush with the face of your

panel, if not out a couple thousandths.  The GNS 480 is

notorious for not seating all the way into it's tray, and your

serial communications won't work.  I tried for 2 nights to

get my stuff to talk, and after talking to Stark and getting

that tip, I moved my tray aft a tad and then pushed the radio

in as hard as I could...problem solved.

Tim Olson -- RV-10



Greg Young wrote:

 	  Quote: 	
		   

 

 The issue, at least my experience, was that the PS Engineering tray

 (PS7000 = SL15) was wider that the "real" UPSAT/Garmin units (SL-30,

 SL-70, GX-60 for me) and necessitated spacers for the non-PS units. The

 mounting holes spacing (fore-aft) is not the same either but that's

 really minor. I don't think the Garmin audio panel (GMA340??) is made by

 PS Engineering so it may not have the same issue. 

 

 Regards,

 Greg Young - Houston (DWH)

 RV-6 N6GY ...project Phoenix

 Navion N5221K - just an XXL RV-6A

 

  

 

>

>

>In researching my panel, I occcasionally have come across the 

>gripe that the Garmin avionics trays were non-standard in 

>that they were 6.3 inches wide instead of 6.25, and thus 

>required the use of washers if installed with other 

>non-Garmin components.  I recently purchased the Garmin SL-40 

>transceiver and GTX-327 transponder.  Measured the trays, and 

>both were 6.25, so it appears that this issue has been taken 

>care of.  Thought I would pass this along to others 

>contemplating panel choices.

>

>regards

>

>Erich Weaver

gerf(at)gerf.com
Guest

Posted: Mon Jan 16, 2006 8:57 am Post subject: Garmin avionics trays

I just acquired an all Garmin stack - GMA 340, GTX 327, SL40 - 

all 3 trays are exactly 6.25"



g



 	  Quote: 	
		   

 

 

 I can verify that it's not "fixed"...doubt that it ever will be

 except that maybe new models coming out will be more standardized.

 

 My PS Engineering 8000, GNS480, SL-30, and GTX330 Transponder

 had at least one or two of them that were 6.3 while

 the others were 6.25.  All of it was new this year.

 Nothing was a major problem.  The biggest problem I had, which

 is a tip any GNS480 buyer should remember, is make sure you

 mount your GNS480 tray at least flush with the face of your

 panel, if not out a couple thousandths.  The GNS 480 is

 notorious for not seating all the way into it's tray, and your

 serial communications won't work.  I tried for 2 nights to

 get my stuff to talk, and after talking to Stark and getting

 that tip, I moved my tray aft a tad and then pushed the radio

 in as hard as I could...problem solved.

 

 

 Tim Olson -- RV-10

 

 

 

 Greg Young wrote:

 > 

 > 

 > The issue, at least my experience, was that the PS Engineering tray

 > (PS7000 = SL15) was wider that the "real" UPSAT/Garmin units (SL-30,

 > SL-70, GX-60 for me) and necessitated spacers for the non-PS units. The

 > mounting holes spacing (fore-aft) is not the same either but that's

 > really minor. I don't think the Garmin audio panel (GMA340??) is made by

 > PS Engineering so it may not have the same issue. 

 > 

 > Regards,

 > Greg Young - Houston (DWH)

 > RV-6 N6GY ...project Phoenix

 > Navion N5221K - just an XXL RV-6A

 > 

 >  

 > 

 >>

 >>

 >>In researching my panel, I occcasionally have come across the 

 >>gripe that the Garmin avionics trays were non-standard in 

 >>that they were 6.3 inches wide instead of 6.25, and thus 

 >>required the use of washers if installed with other 

 >>non-Garmin components.  I recently purchased the Garmin SL-40 

 >>transceiver and GTX-327 transponder.  Measured the trays, and 

 >>both were 6.25, so it appears that this issue has been taken 

 >>care of.  Thought I would pass this along to others 

 >>contemplating panel choices.

 >>

 >>regards

 >>

 >>Erich Weaver

 > 

 > 

 > 

 > 

 > 

 > 

 > 

 > 

 >  

 >  

 >  

 > 

 > 

 > 

 

 

 

 

 

 

  

  

  

 

 

 

 


	


-- 

__g__



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

Gerry Filby                                  gerf(at)gerf.com

                   Tel: 415 203 9177

ktlkrn(at)cox.net
Guest

Posted: Mon Jan 16, 2006 6:48 pm Post subject: Garmin avionics trays

I have the Garmin 340 audio panel, 430 GPS, SL40 comm, and 330S transponder. I purchased only the trays many months before I needed the radios. (why burn the warranty on the bench!!) I put the trays together, lining them up face down. The SL40 is slightly narrower but not a big deal. I did add some shims between the tray and the support piece used to fasten the trays together.



After I got the radios and installed them I noticed all of the Garmin stuff lined up perfect. The SL40 however was inset about 3/32." Also not a big deal but I would have liked to have them all perfectly lined up. Nobody else has noticed.



If you don't have the radios my suggestion would be to place a 3/32" shim on the front of the SL40 or SL30 tray to get proper alignment.



Darwin N. Barrie

Chandler AZ

RV-7 N717EE

dean.psiropoulos(at)veriz
Guest

Posted: Tue Jan 17, 2006 7:48 pm Post subject: Garmin Avionics Trays

Ok folks ya got my attention:

Since I'm just about to mount my trays I have a few questions.  I bought an

Apollo (UPS Aviation Technologies) stack (Audio, SL-30, GX-65 and SL-70)

about a year or two before they merged with Garmin.  Now I'm finally

finishing the panel and about to install the trays.  My ruler says that 3 of

the trays are exactly 6 1/4 inches wide.  The audio panel tray however

(SL-10MS, actually a PS Engineering PMA 6000 with Apollo bezel), is about

1/32 wider.  So....we been discussing the 6.25 vs 6.3 inch width issue here

and I obviously can't install the mounting rails at 6.25 inches apart or I'm

not going to be able to fit the audio panel in.  

What has everyone been doing for mounting rails for these trays?  My plan is

to use 1/16 aluminum angle (flush) riveted to the back of the instrument

panel cutout at the tray's width apart. Is this a good plan or do you

recommend doing something else (I already looked at Radio Rax, too spendy)?

Is there a standard distance between the two rails that will allow me to add

new radio technology later?  If I make the rails 6.3 inches apart do I just

add shims between the rails and the other (6.25 inch) trays?  What do the

avionics shops do?  How do I mount the trays to the rail?  I see two holes

in the front and back (sides) of the trays, does one just match drill the

rails to these holes and install screws and nuts?  Do I need to use a flush

head screw inside the tray to allow the radios to slide in?  Or....is there

a special fastener I use here? 

Tray position forward and aft. I heard some rumblings about the 480 not

seating.  Are we trying to get the back of the bezels to just touch the

surface of the instrument panel (nicest looking installation) or do they

need to stick out a little bit so we don't have seating problems?  Is there

a standard way to do this or do I just have to fiddle around with it until

things match up?  Should I slot the mounting holes in the aluminum rails a

little to provide some wiggle room?

I'm thinking that I'll make both the radio stack cutout in the panel and the

aluminum rails the full height of the RV-6 panel.  That way I can just make

covers that I can remove later if I want to change radios and/or add

something like the G430 or MX-20.  I was also thinking that I should drill

holes in the aluminum angle rails above and below my current stack to

facilitate easy install of new trays later.  Is there a standard dimension

between the holes on the trays or between trays that I can use that will

facilitate this (ie. Can I just drill holes in the mounting rails every

inch)?  Or is this just wishful thinking and I'll have to endure the pain of

trying to do this later with the panel in the plane (yuck)? Any other words

of wisdom on installing the radio stack?  Thanks.

Dean Psiropoulos

RV-6A  N197DM

Enjoying systems install after spending (8+) years as a tin-smith.  

Time: 08:57:59 AM PST US

Subject: Re: Garmin avionics trays

From: Gerry Filby <gerf(at)gerf.com>

I just acquired an all Garmin stack - GMA 340, GTX 327, SL40 - 

all 3 trays are exactly 6.25"

g

 	  Quote: 	

 I can verify that it's not "fixed"...doubt that it ever will be

 except that maybe new models coming out will be more standardized.

 My PS Engineering 8000, GNS480, SL-30, and GTX330 Transponder

 had at least one or two of them that were 6.3 while

 the others were 6.25.  All of it was new this year.

 Nothing was a major problem.  The biggest problem I had, which

 is a tip any GNS480 buyer should remember, is make sure you

 mount your GNS480 tray at least flush with the face of your

 panel, if not out a couple thousandths.  The GNS 480 is

 notorious for not seating all the way into it's tray, and your

 serial communications won't work.  I tried for 2 nights to

 get my stuff to talk, and after talking to Stark and getting

 that tip, I moved my tray aft a tad and then pushed the radio

 in as hard as I could...problem solved.

 Tim Olson -- RV-10

 Greg Young wrote:

 > 

 > 

 > The issue, at least my experience, was that the PS Engineering tray

 > (PS7000 = SL15) was wider that the "real" UPSAT/Garmin units (SL-30,

 > SL-70, GX-60 for me) and necessitated spacers for the non-PS units. The

 > mounting holes spacing (fore-aft) is not the same either but that's

 > really minor. I don't think the Garmin audio panel (GMA340??) is made by

 > PS Engineering so it may not have the same issue. 

 > 

 > Regards,

 > Greg Young - Houston (DWH)

 > RV-6 N6GY ...project Phoenix

 > Navion N5221K - just an XXL RV-6A

 > 

 >  

 > 

 >>

 >>

 >>In researching my panel, I occcasionally have come across the 

 >>gripe that the Garmin avionics trays were non-standard in 

 >>that they were 6.3 inches wide instead of 6.25, and thus 

 >>required the use of washers if installed with other 

 >>non-Garmin components.  I recently purchased the Garmin SL-40 

 >>transceiver and GTX-327 transponder.  Measured the trays, and 

 >>both were 6.25, so it appears that this issue has been taken 

 >>care of.  Thought I would pass this along to others 

 >>contemplating panel choices.

 >>

 >>regards

 >>

 >>Erich Weaver

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

Gerry Filby                                  gerf(at)gerf.com

                   Tel: 415 203 9177

gyoung

Joined: 09 Jan 2006
Posts: 211
Location: Republic of Texas

Posted: Tue Jan 17, 2006 11:23 pm Post subject: Garmin Avionics Trays

Dean,



I've got the same stack going into my -6 and am also flying one in my Navion. I used 3/4x3/4x.063 angle for my rails and match drilled them for the holes in the trays and mounted nutplates on the rails. I used flat head screws for mounting. The audio panel tray is flush with the front of the rails and the SL & GX trays set back further to get the front panels lined up the way I wanted. There's an .063 doubler plus the .063 panel on top of the rails so the radios set 1/8 below the panel surface.



I spaced the rails slightly wider (5-10 thou) than the audio panel tray because the radio bezel is wider than the tray. I made shim strips, drilled to the mounting holes, for both sides of the SL/GX's. The mounting holes are not spaced to any standard plus you can alter the spacing between the radios. The audio panel holes will not necessarily align vertically with the SL/GX depending on how you want the bezels to align. I have elected to rebuild the rails if I want to change the stack in the future. I too looked at Radiorax and found them just a little pricey.



I'll send you some pictures offline of my -6 panel.



Regards,

Greg Young - Houston (DWH)

RV-6 N6GY - project Phoenix

Navion N5221K - just an XXL RV-6A



 	  Quote: 	
		   

 --> <dean.psiropoulos(at)verizon.net>

 Ok folks ya got my attention:



 Since I'm just about to mount my trays I have a few

 questions.  I bought an Apollo (UPS Aviation Technologies)

 stack (Audio, SL-30, GX-65 and SL-70) about a year or two

 before they merged with Garmin.  Now I'm finally finishing

 the panel and about to install the trays.  My ruler says that

 3 of the trays are exactly 6 1/4 inches wide.  The audio

 panel tray however (SL-10MS, actually a PS Engineering PMA

 6000 with Apollo bezel), is about

 1/32 wider.  So....we been discussing the 6.25 vs 6.3 inch

 width issue here and I obviously can't install the mounting

 rails at 6.25 inches apart or I'm not going to be able to fit

 the audio panel in. 



 What has everyone been doing for mounting rails for these

 trays?  My plan is to use 1/16 aluminum angle (flush) riveted

 to the back of the instrument panel cutout at the tray's

 width apart. Is this a good plan or do you recommend doing

 something else (I already looked at Radio Rax, too spendy)?

 Is there a standard distance between the two rails that will

 allow me to add new radio technology later?  If I make the

 rails 6.3 inches apart do I just add shims between the rails

 and the other (6.25 inch) trays?  What do the avionics shops

 do?  How do I mount the trays to the rail?  I see two holes

 in the front and back (sides) of the trays, does one just

 match drill the rails to these holes and install screws and

 nuts?  Do I need to use a flush head screw inside the tray to

 allow the radios to slide in?  Or....is there a special

 fastener I use here?



 Tray position forward and aft. I heard some rumblings about

 the 480 not seating.  Are we trying to get the back of the

 bezels to just touch the surface of the instrument panel

 (nicest looking installation) or do they need to stick out a

 little bit so we don't have seating problems?  Is there a

 standard way to do this or do I just have to fiddle around

 with it until things match up?  Should I slot the mounting

 holes in the aluminum rails a little to provide some wiggle room?



 I'm thinking that I'll make both the radio stack cutout in

 the panel and the aluminum rails the full height of the RV-6

 panel.  That way I can just make covers that I can remove

 later if I want to change radios and/or add something like

 the G430 or MX-20.  I was also thinking that I should drill

 holes in the aluminum angle rails above and below my current

 stack to facilitate easy install of new trays later.  Is

 there a standard dimension between the holes on the trays or

 between trays that I can use that will facilitate this (ie.

 Can I just drill holes in the mounting rails every inch)?  Or

 is this just wishful thinking and I'll have to endure the

 pain of trying to do this later with the panel in the plane

 (yuck)? Any other words of wisdom on installing the radio

 stack?  Thanks.



 Dean Psiropoulos

 RV-6A  N197DM

 Enjoying systems install after spending (8+) years as a tin-smith. 




	


--

lwalters2(at)cfl.rr.com
Guest

Posted: Wed Jan 18, 2006 6:55 am Post subject: Garmin Avionics Trays

Dean, when I install a radio stack, I attach all the trays together on 

the bench, without the instrument panel, and do all the wiring as a 

'set'.  I attach them together with aluminum angles down the sides, both 

front and rear.  The front angles are also used to bolt (screw) the 

radio stack to the instrument panel.  The cutout in the panel is as wide 

as the widest tray ..... and don't forget to measure the bezels!!!  

You're worried about a rather insignificant (in the great scheme of 

things) width difference, but If you're intent on addressing the issue, 

use shims.



I typically install my 'electronics' fuses or ckt breakers on a little 

subpanel that resides below the radio stack (if room exists .... if not 

it's mounted where it can be removed along with the radio stack) so all 

I need to connect the stack to the airframe is power, ground, mike 

audio, mike key, and headset.  I do this through a Molex connector, with 

the exception of the power/ground, and I make sure they're easily 

accessible.



The whole idea behind the 'totally removeable' unit is to be able to set 

EVERYTHING up on the bench for troubleshooting purposes.  Almost all of 

the 'accessories' such as transponder encoder, CDI, and stuff like that 

are usually connectorized and easily disconnected.



If I can't get to the back of the instrument panel easily, then the 

angles on the front are turned around and the angles mount on the face 

of the panel.  In this case, the rear angles are replaced by flat stock 

and the panel hole is sized to allow removal aft after unhooking the few 

cables that exist.



Hope this helps rather than confuses!!!

Linn

do not archive



DEAN PSIROPOULOS wrote:



 	  Quote: 	
		  

Ok folks ya got my attention:



Since I'm just about to mount my trays I have a few questions.  I bought an

Apollo (UPS Aviation Technologies) stack (Audio, SL-30, GX-65 and SL-70)

about a year or two before they merged with Garmin.  Now I'm finally

finishing the panel and about to install the trays.  My ruler says that 3 of

the trays are exactly 6 1/4 inches wide.  The audio panel tray however

(SL-10MS, actually a PS Engineering PMA 6000 with Apollo bezel), is about

1/32 wider.  So....we been discussing the 6.25 vs 6.3 inch width issue here

and I obviously can't install the mounting rails at 6.25 inches apart or I'm

not going to be able to fit the audio panel in.  



SNIP
	




 	  Quote: 	
		  Dean Psiropoulos

RV-6A  N197DM

Enjoying systems install after spending (8+) years as a tin-smith.  

Time: 08:57:59 AM PST US

Subject: Re: Garmin avionics trays

From: Gerry Filby <gerf(at)gerf.com>




I just acquired an all Garmin stack - GMA 340, GTX 327, SL40 - 

all 3 trays are exactly 6.25"



g



  



>

>

>I can verify that it's not "fixed"...doubt that it ever will be

>except that maybe new models coming out will be more standardized.

>

>My PS Engineering 8000, GNS480, SL-30, and GTX330 Transponder

>had at least one or two of them that were 6.3 while

>the others were 6.25.  All of it was new this year.

>Nothing was a major problem.  The biggest problem I had, which

>is a tip any GNS480 buyer should remember, is make sure you

>mount your GNS480 tray at least flush with the face of your

>panel, if not out a couple thousandths.  The GNS 480 is

>notorious for not seating all the way into it's tray, and your

>serial communications won't work.  I tried for 2 nights to

>get my stuff to talk, and after talking to Stark and getting

>that tip, I moved my tray aft a tad and then pushed the radio

>in as hard as I could...problem solved.

>Tim Olson -- RV-10

>

>Greg Young wrote:

>    

>

>>

>>

>>The issue, at least my experience, was that the PS Engineering tray

>>(PS7000 = SL15) was wider that the "real" UPSAT/Garmin units (SL-30,

>>SL-70, GX-60 for me) and necessitated spacers for the non-PS units. The

>>mounting holes spacing (fore-aft) is not the same either but that's

>>really minor. I don't think the Garmin audio panel (GMA340??) is made by

>>PS Engineering so it may not have the same issue. 

>>

>>Regards,

>>Greg Young - Houston (DWH)

>>RV-6 N6GY ...project Phoenix

>>Navion N5221K - just an XXL RV-6A

>>

>> 

>>

>>      

>>

>>>

>>>

>>>In researching my panel, I occcasionally have come across the 

>>>gripe that the Garmin avionics trays were non-standard in 

>>>that they were 6.3 inches wide instead of 6.25, and thus 

>>>required the use of washers if installed with other 

>>>non-Garmin components.  I recently purchased the Garmin SL-40 

>>>transceiver and GTX-327 transponder.  Measured the trays, and 

>>>both were 6.25, so it appears that this issue has been taken 

>>>care of.  Thought I would pass this along to others 

>>>contemplating panel choices.

>>>

>>>regards

>>>

>>>Erich Weaver

>>>        

>>>



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

Gerry Filby                                  gerf(at)gerf.com

                   Tel: 415 203 9177

erichweaver(at)cox.net
Guest

Posted: Wed Jan 18, 2006 1:38 pm Post subject: garmin avionics trays

Dan P.:



Do what we all do when we dont know what to do - look it up on Checkoway's web site to see how he did it.  C'mon, get with the program and pay attention! : )



Here's a link to get you close - there is probably more to be found using his web site search tool



http://www.rvproject.com/20030613.html

Erich Weaver

RV-7a, firewall forward

bicyclop(at)pacbell.net
Guest

Posted: Fri Jan 20, 2006 9:06 pm Post subject: Garmin Avionics Trays

A data point:



Mounting up a KX-165 (6.25") over a pair of Terra separates (6.3"

overall). An .040 spacer on each side of the KX tray was about right to

make up the difference. It should have taken 2 .025" spacers so maybe

it's a touch over 6.3".



Pax,



Ed Holyoke

bhester(at)hopkinsville.n
Guest

Posted: Sun Jan 22, 2006 7:47 am Post subject: Garmin Avionics Trays

You can see how I did mine here: 

http://members.hopkinsville.net/bhester/FinishKitAssyPg2.htm



Surfing the Web from Hopkinsville, KY

Visit my web site at: http://www.geocities.com/hester-hoptown/RVSite/

RV7A Slowbuild wings-QB Fuse-XPO360 engine 



DEAN PSIROPOULOS wrote:



 	  Quote: 	
		   <>

 <dean.psiropoulos(at)verizon.net>

 Ok folks ya got my attention:



 Since I'm just about to mount my trays I have a few questions. I bought an

 Apollo (UPS Aviation Technologies) stack (Audio, SL-30, GX-65 and SL-70)

 about a year or two before they merged with Garmin. Now I'm finally

 finishing the panel and about to install the trays. My ruler says that 

 3 of

 the trays are exactly 6 1/4 inches wide. The audio panel tray however

 (SL-10MS, actually a PS Engineering PMA 6000 with Apollo bezel), is about

 1/32 wider. So....we been discussing the 6.25 vs 6.3 inch width issue here

 and I obviously can't install the mounting rails at 6.25 inches apart 

 or I'm

 not going to be able to fit the audio panel in.



 What has everyone been doing for mounting rails for these trays? My 

 plan is

 to use 1/16 aluminum angle (flush) riveted to the back of the instrument

 panel cutout at the tray's width apart. Is this a good plan or do you

 recommend doing something else (I already looked at Radio Rax, too 

 spendy)?

 Is there a standard distance between the two rails that will allow me 

 to add

 new radio technology later? If I make the rails 6.3 inches apart do I just

 add shims between the rails and the other (6.25 inch) trays? What do the

 avionics shops do? How do I mount the trays to the rail? I see two holes

 in the front and back (sides) of the trays, does one just match drill the

 rails to these holes and install screws and nuts? Do I need to use a flush

 head screw inside the tray to allow the radios to slide in? Or....is there

 a special fastener I use here?



 Tray position forward and aft. I heard some rumblings about the 480 not

 seating. Are we trying to get the back of the bezels to just touch the

 surface of the instrument panel (nicest looking installation) or do they

 need to stick out a little bit so we don't have seating problems? Is there

 a standard way to do this or do I just have to fiddle around with it until

 things match up? Should I slot the mounting holes in the aluminum rails a

 little to provide some wiggle room?



 I'm thinking that I'll make both the radio stack cutout in the panel 

 and the

 aluminum rails the full height of the RV-6 panel. That way I can just make

 covers that I can remove later if I want to change radios and/or add

 something like the G430 or MX-20. I was also thinking that I should drill

 holes in the aluminum angle rails above and below my current stack to

 facilitate easy install of new trays later. Is there a standard dimension

 between the holes on the trays or between trays that I can use that will

 facilitate this (ie. Can I just drill holes in the mounting rails every

 inch)? Or is this just wishful thinking and I'll have to endure the 

 pain of

 trying to do this later with the panel in the plane (yuck)? Any other 

 words

 of wisdom on installing the radio stack? Thanks.



 Dean Psiropoulos

 RV-6A N197DM

 Enjoying systems install after spending (8+) years as a tin-smith.

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