stunthanger.com

General control line discussion => Open Forum => Topic started by: sleepy gomez on September 20, 2012, 09:16:52 AM

Title: source round cowl
Post by: sleepy gomez on September 20, 2012, 09:16:52 AM

I need a source for a round engine cowl between 6.75 to 7.25
 in diameter, the lighter the better.  sleepygomez@gmail.com  863-899-0656

Title: Re: source round cowl
Post by: Clancy Arnold on September 20, 2012, 09:39:56 AM

Sleepy
Start measuring the round plastic jugs in the supermarket.  For example a 3 quart Clorox bottle is 6 1/4 inch dia.
Clancy

Title: Re: source round cowl
Post by: Douglas Ames on September 20, 2012, 10:05:13 AM

Or try a thrift store/ junk shop that has an old aluminum pot. The newer ones are sorta thin and cheap.

Title: Re: source round cowl
Post by: Tim Wescott on September 20, 2012, 10:43:27 AM

The pessimist says "thin and cheap".  The optimist says "thin and light".

Try these folks.  I haven't used them, but they have a good reputation: http://fiberglassspecialtiesinc.com/.  Ask about weight if it makes a difference to you -- they may be, um, "thick and solidly built".

Title: Re: source round cowl
Post by: builditright on September 20, 2012, 11:55:30 AM

try
park flyer plastics

http://www.parkflyerplastics.com

Title: Re: source round cowl
Post by: jjorgensen on September 20, 2012, 12:03:05 PM

Roll your own out of 1/32 ply. I did one for a galloping comedian that came out lighter than the kit aluminum cowl. Took about 15 minutes to make it up once I had the inner ply and the 1/2 inch balsa front circles cut to wrap the ply around.

Title: Re: source round cowl
Post by: Fred Cronenwett on September 20, 2012, 04:30:08 PM

I have several cowls from Fiberglass Specialties, they have lots of cowls, even some stock round cowls, very good quality.

http://www.fiberglassspecialtiesinc.com/

Fred Cronenwett

Title: Re: source round cowl
Post by: wwwarbird on September 20, 2012, 09:47:20 PM

 I just might have a real nice one for you, I'll have to take a look.

Title: Re: source round cowl
Post by: sleepy gomez on September 21, 2012, 05:49:24 PM

Thank you all.  As per a suggestion I have found a round cowl the right size at the grocery. It is a plastic bowl that is rigid enough and still light enough.  The TRILOGY is in the monocote stage now.  It is going to make its target weight of 64 ounces @ 890 sq areas.  When it is done and flying I'll post photo.  Thanks for your help.  SLEEPY