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04-27-2009, 01:54 PM
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Join Date: Jun 2006
Location: San Jose, CA
Posts: 1,125
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Sam James Cowl baffles questions
I have a SJ Cowl with a plenum and I'm getting closer to starting the installation. Is there enough bang for the buck to start with Van's baffle kit? At almost $300 I'm not sure there would be...especially since the SJ Cowl comes with templates.
Also, I've heard that doing the standard baffles with a Van's cowl is a bit tedious. I'd think that with a plenum and templates this should be much easier. Thoughts?
Finally, what's a good way to cut these baffles? I'm especially wondering about the curves at the cylinders. Is there a good bit available for a Dremmel? Do you just cut with snips and sand to fit?
Thanks
__________________
Kelly Johnson
San Jose, CA
RV-9A
Pink slip issued: 5/7/12
First flight: 5/28/12, Memorial Day.
Phase I Complete: 8/18/12!
2020 donation: complete
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04-27-2009, 03:23 PM
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Join Date: Aug 2006
Location: Twin Falls, ID
Posts: 683
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The Van's baffle kit will save you a LOT of time. You use almost all of the pieces and it comes with all of the hardware for the install. I used it for my James plenum. I guaranty that trying to cut out all the pieces using the James templates will be frustrating and time consuming and will not come out as nice as the Vans pieces. Don
__________________
RV 7 N212MD Flying as of 12/22/2007
Backcountry/TCOW Super Cub flying 03/12/2011
Next project?
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04-27-2009, 05:47 PM
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Join Date: Sep 2006
Location: Townsend, Montana
Posts: 3,179
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Quote:
Originally Posted by yakdriver
The Van's baffle kit will save you a LOT of time. You use almost all of the pieces and it comes with all of the hardware for the install. I used it for my James plenum. I guaranty that trying to cut out all the pieces using the James templates will be frustrating and time consuming and will not come out as nice as the Vans pieces. Don
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That sounds good to me, now I just need to get an engine 
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Retired Dam guy. Life is good.
Brian, N155BKsold but bought back.
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04-27-2009, 05:58 PM
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Join Date: Oct 2005
Location: 08A
Posts: 9,477
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Kelly,
Buy the Van's kit. It is not a Dremel tool kind of job.
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Dan Horton
RV-8 SS
Barrett IO-390
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04-27-2009, 06:20 PM
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Join Date: Feb 2005
Location: Fort Collins, CO
Posts: 133
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I used the Van's kit even though Sam tried to convince me otherwise. I feel it was worth it.
Jason
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Jason Rouault
RV-7A TMX IO-360 3-Blade MT CS Prop, Flying
Fort Collins, CO
http://www.rouault.us
Last edited by jrouault : 04-28-2009 at 07:23 AM.
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04-27-2009, 07:04 PM
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Join Date: Oct 2007
Location: Canada
Posts: 100
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I am just finishing up the baffles using the james plenum. I used the Vans kit and would recommend that route. There was a lot of unused parts but I would do it this way again.
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C-GVMK
RV9a Slow(ly) built
Flying as of July 2012
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04-29-2009, 08:58 AM
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Join Date: Jun 2006
Location: San Jose, CA
Posts: 1,125
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Which parts are unused?
Quote:
Originally Posted by Beancounter
I am just finishing up the baffles using the james plenum. I used the Vans kit and would recommend that route. There was a lot of unused parts but I would do it this way again.
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Which parts are unused? I may be able to get Van's to leave those off the kit.
__________________
Kelly Johnson
San Jose, CA
RV-9A
Pink slip issued: 5/7/12
First flight: 5/28/12, Memorial Day.
Phase I Complete: 8/18/12!
2020 donation: complete
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04-29-2009, 09:47 AM
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Join Date: Sep 2006
Location: Bozeman, Montana
Posts: 858
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I am pretty sure the baffle kit only has one part number, so you get the whole thing or not.
Hans
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04-29-2009, 10:03 AM
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Join Date: Jun 2005
Location: Milwaukee, WI area
Posts: 2,967
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I'm using the Van's kit as well...WELL worth the money considering the TREMENDOUS time savings. You'll forget about this $300 in the end anyway...
 
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Chad Jensen
Astronics AES, Vertical Power
RV-7, 5 yr build, flew it 68 hours, sold it, miss it.
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05-08-2009, 07:05 PM
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Join Date: Aug 2008
Location: MONTGOMERY, TX.
Posts: 89
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BAFFLING
I HAVE INSTALLED 2 SETS OF VAN'S. THEY REQUIRED A LOT OF AJUSTMENT BUT WORTH THE PRICE. MAKE SURE THE OPENINGS ON THE BOTTOM OF THE CYL. AND BARRELS ARE THE CORRECT SIZE AND MORE IMPORTANT, EVEN.
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