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Baffling Question

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rv10free2fly(at)yahoo.com
Guest

Posted: Sun Jun 22, 2014 2:47 am Post subject: Baffling Question

I am trying to fit the CB-1001A Front Baffle (Ref. Page FF2-14) which as shown on the plans, should fit snugly over and around the MT P-420-3 propeller governor.



Vans sent me the MT P-860-3 propeller governor with my Firewall Forward kit, which is now installed on my engine.  This governor has a lip around the front which prevents the CB-1001A Front Baffle from slipping over the governor.



I am tempted to cut the hole in the CB-1001A Front Baffle much larger, however this will then mean that I will need to seal around the opening in the CB-1001A, as once the baffle is over the front of the governor, the body of the governor reduces in diameter, leaving about a 1/4" gap around the governor to the edge of the hole in the CB-1001A.



Have I buggered up my interpretations of the plan, or does the new propeller governor just not fit the CB-1001A baffle as was originally intended?



If so, what are people using to seal the gap between the propeller governor and the CB-1001A.



After mucking around with these baffles, I can now see why people install plenums in lieu of baffles!



I'd appreciate your assistance and any links or photos that could assist me please.



Warm regards and thanks in anticipation.



Patrick Pulis

Adelaide, South Australia

#40299

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jesse(at)saintaviation.co
Guest

Posted: Sun Jun 22, 2014 4:02 am Post subject: Baffling Question

That part is always hard to fit. You can trim it as necessary and then seal it (RTV works well). You could also use baffle seal to fill the gap. 



Jesse Saint

I-TEC, Inc.

jesse(at)itecusa.org

www.itecusa.org

www.mavericklsa.com

C: 352-427-0285

O: 352-465-4545

F: 815-377-3694



Sent from my iPhone



 	  Quote: 	
		   On Jun 22, 2014, at 6:47 AM, Patrick Pulis <rv10free2fly(at)yahoo.com.au> wrote:

 

 

 

 I am trying to fit the CB-1001A Front Baffle (Ref. Page FF2-14) which as shown on the plans, should fit snugly over and around the MT P-420-3 propeller governor.

 

 Vans sent me the MT P-860-3 propeller governor with my Firewall Forward kit, which is now installed on my engine.  This governor has a lip around the front which prevents the CB-1001A Front Baffle from slipping over the governor.

 

 I am tempted to cut the hole in the CB-1001A Front Baffle much larger, however this will then mean that I will need to seal around the opening in the CB-1001A, as once the baffle is over the front of the governor, the body of the governor reduces in diameter, leaving about a 1/4" gap around the governor to the edge of the hole in the CB-1001A.

 

 Have I buggered up my interpretations of the plan, or does the new propeller governor just not fit the CB-1001A baffle as was originally intended?

 

 If so, what are people using to seal the gap between the propeller governor and the CB-1001A.

 

 After mucking around with these baffles, I can now see why people install plenums in lieu of baffles!

 

 I'd appreciate your assistance and any links or photos that could assist me please.

 

 Warm regards and thanks in anticipation.

 

 Patrick Pulis

 Adelaide, South Australia

 #40299

- The Matronics RV10-List Email Forum -

Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

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flying-nut(at)cfl.rr.com
Guest

Posted: Sun Jun 22, 2014 4:12 am Post subject: Baffling Question

On 6/22/2014 6:47 AM, Patrick Pulis wrote:

 	  Quote: 	
		   



 I am trying to fit the CB-1001A Front Baffle (Ref. Page FF2-14) which as shown on the plans, should fit snugly over and around the MT P-420-3 propeller governor.



 Vans sent me the MT P-860-3 propeller governor with my Firewall Forward kit, which is now installed on my engine.  This governor has a lip around the front which prevents the CB-1001A Front Baffle from slipping over the governor.



 I am tempted to cut the hole in the CB-1001A Front Baffle much larger, however this will then mean that I will need to seal around the opening in the CB-1001A, as once the baffle is over the front of the governor, the body of the governor reduces in diameter, leaving about a 1/4" gap around the governor to the edge of the hole in the CB-1001A.



 Have I buggered up my interpretations of the plan, or does the new propeller governor just not fit the CB-1001A baffle as was originally intended?

I think you've got it right!
	


 	  Quote: 	
		   If so, what are people using to seal the gap between the propeller governor and the CB-1001A.

I haven't done it yet but I'm planning on a combination of fiberglass 
	


sheet and the cowl seal material.

 	  Quote: 	
		   After mucking around with these baffles, I can now see why people install plenums in lieu of baffles!

I'm going to install a plenum .... I hate cowl seal.  I also want to 
	


convert the inlets to round ones.  The reason I haven't done that 

already is I'm on the fence with making my own or going the Sam James route.

Linn ..... just riveted on the fwd upper fuselage!!!



 	  Quote: 	
		  

 I'd appreciate your assistance and any links or photos that could assist me please.



 Warm regards and thanks in anticipation.



 Patrick Pulis

 Adelaide, South Australia

 #40299

 -----

 No virus found in this message.

 Checked by AVG - www.avg.com

- The Matronics RV10-List Email Forum -

Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

http://www.matronics.com/Navigator?RV10-List

rv10free2fly(at)yahoo.com
Guest

Posted: Sun Jun 22, 2014 4:29 am Post subject: Baffling Question

Thanks Linn



Warm regards



Patrick



 	  Quote: 	
		   On 22 Jun 2014, at 21:41, Linn Walters <flying-nut(at)cfl.rr.com> wrote:

 

 

 

> On 6/22/2014 6:47 AM, Patrick Pulis wrote:

> 

> 

> I am trying to fit the CB-1001A Front Baffle (Ref. Page FF2-14) which as shown on the plans, should fit snugly over and around the MT P-420-3 propeller governor.

> 

> Vans sent me the MT P-860-3 propeller governor with my Firewall Forward kit, which is now installed on my engine.  This governor has a lip around the front which prevents the CB-1001A Front Baffle from slipping over the governor.

> 

> I am tempted to cut the hole in the CB-1001A Front Baffle much larger, however this will then mean that I will need to seal around the opening in the CB-1001A, as once the baffle is over the front of the governor, the body of the governor reduces in diameter, leaving about a 1/4" gap around the governor to the edge of the hole in the CB-1001A.

> 

> Have I buggered up my interpretations of the plan, or does the new propeller governor just not fit the CB-1001A baffle as was originally intended?

 I think you've got it right!

> If so, what are people using to seal the gap between the propeller governor and the CB-1001A.

 I haven't done it yet but I'm planning on a combination of fiberglass sheet and the cowl seal material.

> After mucking around with these baffles, I can now see why people install plenums in lieu of baffles!

 I'm going to install a plenum .... I hate cowl seal.  I also want to convert the inlets to round ones.  The reason I haven't done that already is I'm on the fence with making my own or going the Sam James route.

 Linn ..... just riveted on the fwd upper fuselage!!!

 

> 

> I'd appreciate your assistance and any links or photos that could assist me please.

> 

> Warm regards and thanks in anticipation.

> 

> Patrick Pulis

> Adelaide, South Australia

> #40299

> 

> 

> 

> 

> 

> 

> -----

> No virus found in this message.

> Checked by AVG - www.avg.com

- The Matronics RV10-List Email Forum -

Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

http://www.matronics.com/Navigator?RV10-List

Kellym

Joined: 10 Jan 2006
Posts: 1705
Location: Sun Lakes AZ

Posted: Sun Jun 22, 2014 4:46 am Post subject: Baffling Question

If you are on the fence, there is one more alternative that may be 

better than Sam James: Showplanes RV-10 cowling....

http://tinyurl.com/ojlo6f5

No personal knowledge, just know it exists.



On 6/22/2014 5:11 AM, Linn Walters wrote:

 	  Quote: 	
		   

      .... I hate cowl seal.  I also want to convert the inlets to 

 round ones.  The reason I haven't done that already is I'm on the 

 fence with making my own or going the Sam James route.

 Linn ..... just riveted on the fwd upper fuselage!!!

- The Matronics RV10-List Email Forum -

Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

http://www.matronics.com/Navigator?RV10-List

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

flying-nut(at)cfl.rr.com
Guest

Posted: Sun Jun 22, 2014 5:48 am Post subject: Baffling Question

Thanks Kelly.  Always good to have a       couple of approaches.  I already have the Van's cowl fitted and       just can't justify pitching it.  I'm enjoying the 'journey' and       doing some mods to improve (I hope) the Van's approach.  

       I didn't like Van's alt air ...... I know, you can reset it after       shutdown .... so I did this:

       

       [img]cid:part1.08020702.04030205(at)cfl.rr.com[/img]

       

       Because I can ......

       I'd probably be flying by now if it wasn't for all the mods   

       Linn

       

       

       

       On 6/22/2014 8:45 AM, Kelly McMullen wrote:

     

      	  Quote: 	
		  -->       RV10-List message posted by: Kelly McMullen       <kellym(at)aviating.com> (kellym(at)aviating.com)       

       

       If you are on the fence, there is one more alternative that may be       better than Sam James: Showplanes RV-10 cowling....       

       http://tinyurl.com/ojlo6f5       

       No personal knowledge, just know it exists.       

       

       On 6/22/2014 5:11 AM, Linn Walters wrote:       

        	  Quote: 	
		  --> RV10-List message posted by: Linn         Walters <flying-nut(at)cfl.rr.com> (flying-nut(at)cfl.rr.com)      .... I hate cowl         seal.  I also want to convert the inlets to round ones.  The         reason I haven't done that already is I'm on the fence with         making my own or going the Sam James route.         

         Linn ..... just riveted on the fwd upper fuselage!!!         

         

       	
       

       

       

       

       

       

       

       

       

       

       

       

       

       

       

       

       

       

       

       

       

       

       

       

       

       

       

       -----       

       No virus found in this message.       

       Checked by AVG - www.avg.com       

       06/21/14

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woxofswa

Joined: 12 Aug 2008
Posts: 349
Location: AZ

Posted: Sun Jun 22, 2014 6:41 am Post subject: Re: Baffling Question

I put a small piece of piano hinge on the back face of that baffle piece. That allowed me to have a nice tight fitting around the governor and be able to open the hole around the governor via the hinge to get it in and out easier.

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_________________
Myron Nelson
Mesa, AZ
Flew May 10 2014

Jackm

Joined: 23 Jun 2013
Posts: 8

Posted: Sun Jun 22, 2014 8:13 am Post subject: Re: Baffling Question

Patrick.

Send email to jackm(at)vinetechequipment.com . I will reply with pictures of what we did. Prop cable is also routed above engine and left heat input is on rear right baffle. Prop cable above allows for better seal because you don't need to cut ramp for prop lever clearance

- The Matronics RV10-List Email Forum -

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_________________
Jackm

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