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12-23-2012, 11:54 AM
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Join Date: Feb 2005
Location: Huskerland, USA
Posts: 5,862
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Quote:
Originally Posted by Dale Walker
Larry, Where do I get info on the John Bender winter baffle?
Dale Walker
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Funny, I never know what to call it knowing John like I do.
Bender Baffle or Baffled Bender.
What ever it works, but I think Marty S. actually invented it. 
__________________
RV-7 : In the hangar
RV-10 : In the hangar
RV-12 : Built and sold
RV-44 : 4 place helicopter on order.
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12-23-2012, 12:53 PM
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Join Date: Oct 2010
Location: Elkton, Md.
Posts: 1,654
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You mid-western guys are a pretty humble bunch, seems no one will own up to it. I praised Marty for it and he passed the buck to John and I don't recall who he blamed it on. It's a must have if you fly in cold weather at all. The oil cooler damper is a real fuel saver. The one I am using works very well and can be used all year long. Dave Valcek's modification is more functional in that it allows the oil temp to be dialed in in the same manner as the Radiator damper. We are thinking that if he flew into a milder climate, it would have to be removed prior to arriving in that climate. Where we live they are very nice to have! Merry Christmas to all!
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Wag Aero Sport Trainer built,sold and wrecked
N588DF RV12 #336 built, sold and alive and well in New York
N73DF RV12 #244 built, sold and alive and well in Florida
N91 RV RV9 I wish I could say I built this one! Mark Santoleri hit the ball out of the park on this gem.
Currently restoring a 1978 Citabria GCBC
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12-23-2012, 03:11 PM
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Join Date: Apr 2008
Location: Davenport, IA
Posts: 1,390
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Quote:
Originally Posted by Dale Walker
Larry, Where do I get info on the John Bender winter baffle?
Dale Walker
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Dale: Send me a PM with your e-mail and would be happy to send you a paper I put together detailing the installation and a link to a bunch of photos.
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12-23-2012, 04:38 PM
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Join Date: Feb 2005
Location: Huskerland, USA
Posts: 5,862
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Quote:
Originally Posted by Dave12
You mid-western guys are a pretty humble bunch, seems no one will own up to it.
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If there are royalties involved I invented it.
I went up again this afternoon for an hour. Ground temps were 16f, temps aloft 40f. Visibility was 5-6 miles due to heavy haze. Scoped out my favorite deer watching area and saw 300 white tails bunched up like turkeys. Winter is setting in pretty hard around here with 4-6" of snow cover to hide food for them.
__________________
RV-7 : In the hangar
RV-10 : In the hangar
RV-12 : Built and sold
RV-44 : 4 place helicopter on order.
Last edited by Geico266 : 12-23-2012 at 04:42 PM.
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12-23-2012, 05:20 PM
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Join Date: Nov 2007
Location: Jesup, Iowa
Posts: 1,658
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Thanks Dave - -
makes sense. Originally I was worried about having to adjust the Heater Damper Door a lot, but actually I find I don't have to. If I am just bumming around ( as usual ), I fly at about the same ALT, so I don't have to adjust it much at all. Just watch the temps on take-off, and adjust it a little for the days temps, and it works well. Sure makes it an all season plane. Any day it is not too windy, I go for a flight.
John Bender
487 hours
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12-23-2012, 05:27 PM
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Join Date: Aug 2007
Location: Novato, CA
Posts: 151
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Heater temp
I take it that the baffle is for the oil cooler adjustments. Is there something that would make the cabin heater work better? I just get fast moving air that is not very warm.
Richard
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12-23-2012, 05:45 PM
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Join Date: Nov 2007
Location: Jesup, Iowa
Posts: 1,658
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Hey Richard - -
go back and look at post #10. That will show you my original post.
John Bender
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12-23-2012, 05:46 PM
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Join Date: Oct 2010
Location: Elkton, Md.
Posts: 1,654
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The damper we are really speaking of is for the coolant radiator and allows you to dial in the temp. in the cockpit. You can find this little marvel up in the modifications thread.
__________________
Wag Aero Sport Trainer built,sold and wrecked
N588DF RV12 #336 built, sold and alive and well in New York
N73DF RV12 #244 built, sold and alive and well in Florida
N91 RV RV9 I wish I could say I built this one! Mark Santoleri hit the ball out of the park on this gem.
Currently restoring a 1978 Citabria GCBC
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12-23-2012, 06:56 PM
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Join Date: Mar 2008
Location: Texas
Posts: 1,378
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Humility
Dave. Before I forget...you are oh so wrong in telling that group they are a humble bunch of midwesterners. In other less formal gatherings they wear robes, chant and perform serious chest-thumping. In other words, they are normal American pilots.
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12-23-2012, 07:36 PM
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Join Date: Jan 2011
Location: Barneveld, NY
Posts: 189
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Guys I figure I will ask this thread since it appears to be related.. how cold is too cold to fly? I don't mean being comfortable in the cockpit but rather for the Rotax and the carbs. I ask this because a friend and CFI was flying a Rotax powered low wing two winters ago. She took off when it was about -5 ambient temp in Denver. The wind chill dropped it below that. She took off, went once around the pattern and did a low approach over the runway. A bit more than halfway down the runway the engine quit. She was able to get it onto the runway and stopped. The A&P suggested that the severe cold weather contributed to the carbs inability to properly operate. There was no other mechanical issue found.
Not trying to derail the discussion but I am curious how cold others are flying their RV-12's? Living here in CO, we get our share of colder days. I like the rest of you love to fly in the colder air in the winter in my Rotax powered Gobosh while trying to endure the temps to continue the build.
Carl
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