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FirePenetrations

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jrlark

Joined: 03 Jul 2009
Posts: 72

Posted: Fri May 23, 2014 7:23 am Post subject: FirePenetrations

Hi all, wondering if anyone has recommendations on any better locations for the throttle, prop, mixture and alternate air penetrations?

 

I’m just about to bolt my engine mount on for the last time and I haven’t drilled any holes for those 4 items yet.  I`m wondering if the throttle and alternate air holes could be below the other 2, or if it makes any difference at all? 

Thx,  Rick

#40956

Southampton. Ont

  [quote][b]

jeff(at)westcottpress.com
Guest

Posted: Fri May 23, 2014 8:21 am Post subject: FirePenetrations

If you change the hole locations you will likely change your cable lengths and it is no easy trick to figure what those lengths need to be (ask me how I know).



Jeff Carpenter

40304

just about ready for paint.



On May 23, 2014, at 8:22 AM, Sandra & Rick Lark wrote:

 	  Quote: 	
		  Hi all, wondering if anyone has recommendations on any better locations for the throttle, prop, mixture and alternate air penetrations?

 

I’m just about to bolt my engine mount on for the last time and I haven’t drilled any holes for those 4 items yet.  I`m wondering if the throttle and alternate air holes could be below the other 2, or if it makes any difference at all?

Thx,  Rick

#40956

Southampton. Ont



 	  Quote: 	
		  



style="color: blue; text-decoration: underline; ">http://www.matronics.com/Navigator?RV10-List

blue; text-decoration: underline; ">http://forums.matronics.com

style="color: blue; text-decoration: underline; ">http://www.matronics.com/contribution



	


	


 [quote][b]

philperry9

Joined: 23 Nov 2011
Posts: 381

Posted: Fri May 23, 2014 8:21 am Post subject: FirePenetrations

I used the normal holes and was really disappointed. Â So I'm getting ready to plug them with bolts and cut new holes in the recess. Â I'll be using the Eyeball Penetrations to get the cables to pass through the firewall at the appropriate angle.

 

If I had it to do again, I never would have drilled the factory holes. Â I would have just plugged them with rivets and cut new holes.



Phil

On Fri, May 23, 2014 at 10:22 AM, Sandra & Rick Lark <jrlark(at)bmts.com (jrlark(at)bmts.com)> wrote:

 [quote]

Hi all, wondering if anyone has recommendations on any better locations for the throttle, prop, mixture and alternate air penetrations? 

Â 

Iâ€™m just about to bolt my engine mount on for the last time and I havenâ€™t drilled any holes for those 4 items yet.Â  I`m wondering if the throttle and alternate air holes could be below the other 2, or if it makes any difference at all?  

Thx,Â  Rick

#40956

Southampton. Ont

   	  Quote: 	
		  



get="_blank">http://www.matronics.com/Navigator?RV10-List

tp://forums.matronics.com

_blank">http://www.matronics.com/contribution



	


[b]

rleffler

Joined: 05 Nov 2006
Posts: 680

Posted: Fri May 23, 2014 8:39 am Post subject: FirePenetrations

If you are not using the method in the plans to penetrate the firewall (i.e. something other than a bushing), then the holes in the plans will most likely be too close together.

 

Mine are in the same general vicinity, but just spread out a little wider.

 

bob

  [quote][b]

_________________
Bob Leffler
N410BL - Phase I
http://mykitlog.com/rleffler

philperry9

Joined: 23 Nov 2011
Posts: 381

Posted: Fri May 23, 2014 8:52 am Post subject: FirePenetrations

Yeah, I drilled to size and put the bushings in place. Â I found out that they were too close together even with the bushings. Â There just wasn't enough metal between the holes to support all the cables. Â The thin areas between the holes have twisted and mangled pretty badly. Â So I'm punting on that option while it's still easy to do. 



Phil



On Fri, May 23, 2014 at 11:18 AM, Bob Leffler <rv(at)thelefflers.com (rv(at)thelefflers.com)> wrote:

 [quote]

If you are not using the method in the plans to penetrate the firewall (i.e. something other than a bushing), then the holes in the plans will most likely be too close together. 

Â 

Mine are in the same general vicinity, but just spread out a little wider. 

Â 

bob 

   	  Quote: 	
		  



get="_blank">http://www.matronics.com/Navigator?RV10-List

tp://forums.matronics.com

_blank">http://www.matronics.com/contribution



	




[b]

carl.froehlich(at)verizon
Guest

Posted: Fri May 23, 2014 9:21 am Post subject: FirePenetrations

Rick,

 

I did not like the alt air location, but I did like the standard Throttle, Prop and Mixture placement.  I made a new bracket out of .050 aluminum and spread out the three controls just a little.  The Oil Cooler air control (black knob) and Alt Engine Air control (red knob) are located on the left side of the apron.  The two cabin heat controls (black knobs) are on the right (didn’t want the passenger to pull the alt air by mistake.  Photo attached.  Cable firewall holes are generally in line with the control mounting.  If I was to do it over I would move the two cabin heat controls a little further to the right.



I also added a single .063” piece of angle connected to the bottom apron near the engine controls and the firewall.  I was concerned there was too much flex in the middle of the panel.  Might be overkill.

 

I did find the throttle cable Van’s recommends (47.5”) to be too short.  I sent it back to Van’s and got the one he lists for IO-360 (50.5”).  This is about an inch too long, but easily routed to make up the difference.  The stock cable was tight against the bottom of the engine (IO-540 from Van’s). 

 

Carl

 

From: owner-rv10-list-server(at)matronics.com [mailto:owner-rv10-list-server(at)matronics.com] On Behalf Of Sandra & Rick Lark

Sent: Friday, May 23, 2014 11:23 AM

To: rv10-list(at)matronics.com

Subject: FirePenetrations

 

Hi all, wondering if anyone has recommendations on any better locations for the throttle, prop, mixture and alternate air penetrations?

 

I’m just about to bolt my engine mount on for the last time and I haven’t drilled any holes for those 4 items yet.  I`m wondering if the throttle and alternate air holes could be below the other 2, or if it makes any difference at all? 

Thx,  Rick

#40956

Southampton. Ont 	  Quote: 	
		    http://www.matronics.com/Navigator?RV10-Listhttp://forums.matronics.com 	
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larkrv10(at)gmail.com
Guest

Posted: Fri May 23, 2014 10:26 am Post subject: FirePenetrations

Thx Carl.Â  I am presently fabricating stainless steel penetrations for my F/W and thought about ganging the throttle, prop and mixtureÂ together on a piece of 3"x4"x1/16" SS plate, basically in the same location as the pilot holes are.

 I think I will wait to drill the alt air.

Nice looking panel, quite similar to what mine will look like (except it's a G3X touch).

Is the panel powder coated satin black or?

Thx again,Â  Rick

 

On Fri, May 23, 2014 at 1:20 PM, Carl Froehlich <carl.froehlich(at)verizon.net (carl.froehlich(at)verizon.net)> wrote:

 [quote]

Rick, 

Â 

I did not like the alt air location, but I did like the standard Throttle, Prop and Mixture placement.Â  I made a new bracket out of .050 aluminum and spread out the three controls just a little.Â  The Oil Cooler air control (black knob) and Alt Engine Air control (red knob) are located on the left side of the apron.Â  The two cabin heat controls (black knobs) are on the right (didnâ€™t want the passenger to pull the alt air by mistake.Â  Photo attached.Â  Cable firewall holes are generally in line with the control mounting. Â If I was to do it over I would move the two cabin heat controls a little further to the right. 



I also added a single .063â€ piece of angle connected to the bottom apron near the engine controls and the firewall.Â  I was concerned there was too much flex in the middle of the panel.Â  Might be overkill. 

Â 

I did find the throttle cable Vanâ€™s recommends (47.5â€) to be too short.Â  I sent it back to Vanâ€™s and got the one he lists for IO-360 (50.5â€).Â  This is about an inch too long, but easily routed to make up the difference.Â  The stock cable was tight against the bottom of the engine (IO-540 from Vanâ€™s).  

Â 

Carl 

Â  

From: owner-rv10-list-server(at)matronics.com (owner-rv10-list-server(at)matronics.com) [mailto:owner-rv10-list-server(at)matronics.com (owner-rv10-list-server(at)matronics.com)] On Behalf Of Sandra & Rick Lark

 Sent: Friday, May 23, 2014 11:23 AM

To: rv10-list(at)matronics.com (rv10-list(at)matronics.com)

Subject: FirePenetrations



 

Â 

Hi all, wondering if anyone has recommendations on any better locations for the throttle, prop, mixture and alternate air penetrations? 

Â 

Iâ€™m just about to bolt my engine mount on for the last time and I havenâ€™t drilled any holes for those 4 items yet.Â  I`m wondering if the throttle and alternate air holes could be below the other 2, or if it makes any difference at all?  

Thx,Â  Rick

#40956

Southampton. Ont  	  Quote: 	
		  Â Â http://www.matronics.com/Navigator?RV10-Listhttp://forums.matronics.comÂ  	
0 	  Quote: 	
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[b]

Bob Turner

Joined: 03 Jan 2009
Posts: 885
Location: Castro Valley, CA

Posted: Fri May 23, 2014 10:43 am Post subject: Re: FirePenetrations

Even with following the plans exactly, my cables were too short to follow the routing in the plans. And I know I am not the only one with this issue. But not sure why.

_________________
Bob Turner
RV-10 QB

carl.froehlich(at)verizon
Guest

Posted: Fri May 23, 2014 11:27 am Post subject: FirePenetrations

I lot of people ask me where I got the panel powder coated â€“ but it is just PPG single stage paint.Â  Dark gray for the panel and engine plenum, light gray for the rest of the interior.

 

The is the second panel.Â  As with my RV-8A I find there is always something to change on the panel every few years or so.Â  Using the stock Vanâ€™s panel with paint make panel mods relatively simple.

 

Carl

 

From: owner-rv10-list-server(at)matronics.com [mailto:owner-rv10-list-server(at)matronics.com] On Behalf Of Rick Lark

Sent: Friday, May 23, 2014 2:25 PM

To: rv10-list(at)matronics.com

Subject: Re: FirePenetrations



 

Thx Carl.  I am presently fabricating stainless steel penetrations for my F/W and thought about ganging the throttle, prop and mixture together on a piece of 3"x4"x1/16" SS plate, basically in the same location as the pilot holes are.



I think I will wait to drill the alt air.



Nice looking panel, quite similar to what mine will look like (except it's a G3X touch).



Is the panel powder coated satin black or?



Thx again,  Rick

 

On Fri, May 23, 2014 at 1:20 PM, Carl Froehlich <carl.froehlich(at)verizon.net (carl.froehlich(at)verizon.net)> wrote:

Rick,

 

I did not like the alt air location, but I did like the standard Throttle, Prop and Mixture placement.  I made a new bracket out of .050 aluminum and spread out the three controls just a little.  The Oil Cooler air control (black knob) and Alt Engine Air control (red knob) are located on the left side of the apron.  The two cabin heat controls (black knobs) are on the right (didnâ€™t want the passenger to pull the alt air by mistake.  Photo attached.  Cable firewall holes are generally in line with the control mounting.  If I was to do it over I would move the two cabin heat controls a little further to the right.



I also added a single .063â€ piece of angle connected to the bottom apron near the engine controls and the firewall.  I was concerned there was too much flex in the middle of the panel.  Might be overkill.

 

I did find the throttle cable Vanâ€™s recommends (47.5â€) to be too short.  I sent it back to Vanâ€™s and got the one he lists for IO-360 (50.5â€).  This is about an inch too long, but easily routed to make up the difference.  The stock cable was tight against the bottom of the engine (IO-540 from Vanâ€™s). 

 

Carl

 

From: owner-rv10-list-server(at)matronics.com (owner-rv10-list-server(at)matronics.com) [mailto:owner-rv10-list-server(at)matronics.com (owner-rv10-list-server(at)matronics.com)] On Behalf Of Sandra & Rick Lark

Sent: Friday, May 23, 2014 11:23 AM

To: rv10-list(at)matronics.com (rv10-list(at)matronics.com)

Subject: FirePenetrations

 

Hi all, wondering if anyone has recommendations on any better locations for the throttle, prop, mixture and alternate air penetrations?

 

Iâ€™m just about to bolt my engine mount on for the last time and I havenâ€™t drilled any holes for those 4 items yet.  I`m wondering if the throttle and alternate air holes could be below the other 2, or if it makes any difference at all? 

Thx,  Rick

#40956

Southampton. Ont 	  Quote: 	
		    http://www.matronics.com/Navigator?RV10-Listhttp://forums.matronics.comhttp://www.matronics.com/contribution 	




 

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  [quote][b]

Kellym

Joined: 10 Jan 2006
Posts: 1706
Location: Sun Lakes AZ

Posted: Fri May 23, 2014 12:44 pm Post subject: FirePenetrations

Rather than attempting to plug 5/8" or bigger holes with bolts, suggest 

you get a piece of SS sheet metal, same thickness as firewall and rivet 

it over the holes. Lighter, cleaner, more professional.



On 5/23/2014 9:21 AM, Phillip Perry wrote:

 	  Quote: 	
		   I used the normal holes and was really disappointed.  So I'm getting 

 ready to plug them with bolts and cut new holes in the recess.  I'll 

 be using the Eyeball Penetrations to get the cables to pass through 

 the firewall at the appropriate angle.



 If I had it to do again, I never would have drilled the factory holes. 

  I would have just plugged them with rivets and cut new holes.



 Phil

 On Fri, May 23, 2014 at 10:22 AM, Sandra & Rick Lark <jrlark(at)bmts.com 

 <mailto:jrlark(at)bmts.com>> wrote:



     Hi all, wondering if anyone has recommendations on any better

     locations for the throttle, prop, mixture and alternate air

     penetrations?



     Iâ€™m just about to bolt my engine mount on for the last time and I

     havenâ€™t drilled any holes for those 4 items yet.  I`m wondering if

     the throttle and alternate air holes could be below the other 2,

     or if it makes any difference at all?



     Thx,  Rick



     #40956



     Southampton. Ont



     *



     get="_blank">http://www.matronics.com/Navigator?RV10-List

     tp://forums.matronics.com

     _blank">http://www.matronics.com/contribution



     *

 *

 *

_________________
Kelly McMullen
A&P/IA, EAA Tech Counselor # 5286
KCHD

Kellym

Joined: 10 Jan 2006
Posts: 1706
Location: Sun Lakes AZ

Posted: Fri May 23, 2014 12:49 pm Post subject: FirePenetrations

Has anyone attempted to engineer an automatic alternate air?? My fuel 

injected Mooney has such, with a round disk attached to a hole cut so 

that there is a metal cross with 4 openings rather than open hole. The 

disk covers that, is held in place with a single bolt with a spring on 

it pressing the disk in closed position. 3-4 lb force lifts the disk 

enough for air to bypass the filter from inside cowling. Only downside 

is you don't really know whether it has opened or not. I've seen 2 place 

RVs that had similar arrangement with hinged rectangular door that was 

spring loaded.

On 5/23/2014 9:20 AM, Jeff Carpenter wrote:

 	  Quote: 	
		   If you change the hole locations you will likely change your cable 

 lengths and it is no easy trick to figure what those lengths need to 

 be (ask me how I know).



 Jeff Carpenter

 40304



 just about ready for paint.

 On May 23, 2014, at 8:22 AM, Sandra & Rick Lark wrote:



> Hi all, wondering if anyone has recommendations on any better 

> locations for the throttle, prop, mixture and alternate air penetrations?

> I’m just about to bolt my engine mount on for the last time and I 

> haven’t drilled any holes for those 4 items yet.  I`m wondering if 

> the throttle and alternate air holes could be below the other 2, or 

> if it makes any difference at all?

> Thx, Rick

> #40956

> Southampton. Ont

> *

>

> style="color: blue; text-decoration: underline; ">http://www.matronics.com/Navigator?RV10-List

> blue; text-decoration: underline; ">http://forums.matronics.com

> style="color: blue; text-decoration: underline; ">http://www.matronics.com/contribution

>

> *

>



 *

 *

_________________
Kelly McMullen
A&P/IA, EAA Tech Counselor # 5286
KCHD

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