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Old Sep 27, 2012, 07:10 AM
rvlevy7
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United States, NJ, Clinton Township
Joined Sep 2012
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Originally Posted by epoxyearl View Post
Some of the more powerful 4 stroke engines use a higher amount of fuel than seems reasonable.
My Saitos (1.50 ,1.80),are being replaced with 2 cycle gas DLE's as they are just too expensive to run.

They are GREAT engines,but I can use $25 worth of fuel in a weekend,versus $6 in a gasoline mixed fuel,and better economy.
In my opinion.
Yeah, I remember flyer who own gasoline engine told me save money than nitro fuel consume alike you said. Interest good to known

Thanks
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Old Sep 27, 2012, 07:27 AM
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United States, KY, Taylorsville
Joined Mar 2010
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Originally Posted by rvlevy7 View Post
I have not much see flyers use Wankel engine. Did it easy start? Did it stability running low idle engine?
These engines are rare for the only reason is that they are expensive! The one I have is NOS (new old stock- it looks a little different than the picture) that I bought from a friend for $150. I help him work on his turbine airplanes and he will offer me stuff every now and then, unsolicited of course! This Wankel was one of those offerings. This one hasn't been run but others I've seen run are very user friendly. They can really 'spool up' and have an interesting sound. Use the correct fuel and don't take 'em apart unless you know what you're doing!

I like two stroke engines but the only problem is the large muffler required. I fly mostly four stroke engines. I always run a little extra oil in fuel by adding castor oil to recommended fuel and I always run 'em on the rich side of the needle setting. Lean runs kill all engines, eventually. I always put air tool oil in 'em after flying (it's pH neutral). I always start them by hand using a chicken stick. It's just my routine! Plus, if you can start one with a chicken stick then more than likely you have a pretty good 'handle' on your engine.
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Old Sep 27, 2012, 09:47 AM
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San Diego, California
Joined Dec 2004
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My take: I like 4 strokes over 2 because of the sound/rpm. With a 2 stroke, I feel like I have a bumble bee in my hands, and fly accordingly, like to hip-hop or something. With a 4 stroke, I feel more like I am flying to a waltz. Much more relaxed, and less stressful.

Les
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Old Sep 27, 2012, 09:53 AM
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United States, MD, Elkton
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My 1/4 scale Cub, and Sig Rascal 110 both have .91 OS 4 strokes in them.

Them's my favoritest aircrafts.

Throttled back to 3500 rpms, and flying on the wing.
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Old Sep 27, 2012, 10:10 AM
rvlevy7
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United States, NJ, Clinton Township
Joined Sep 2012
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Overall views above, most recommended is 4 stroke reasons little save fuel, sound, and good low idle. But we like both 2 or 4 stroke engines no matter if don't want 2 stroke engine. Who affordable to buy gasoline engine.

I appreciated your share as good to known.
Future, I will try use my OS FS .40 engine.

Who want more information, go ahead

Bob
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Old Sep 28, 2012, 06:55 AM
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Thanks,BOB....It's been good talking to you. Earl.
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Old Sep 28, 2012, 07:31 AM
rvlevy7
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United States, NJ, Clinton Township
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Originally Posted by epoxyearl View Post
Thanks,BOB....It's been good talking to you. Earl.
Yes I appericated your talks

Bob
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Old Sep 28, 2012, 11:29 AM
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United States, CA, Garden Grove
Joined Oct 2000
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I think that users are think that there is a "cool factor" with 4S, little valves, rocker boxes, etc. Personally I think that a higher revving 2 stroke sounds lots more realistic than a 4S in a scale warbird. Smaller 4S Radials sound like sewing machines, no throaty rumble.
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Old Sep 28, 2012, 03:10 PM
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United States, IA, Rockwell
Joined Jul 2011
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Originally Posted by rvlevy7 View Post
Another one OS FS .61 (broken ring) it's too late discontinue manufactory part.

Thanks all of you flyers
Frank Borman makes rings for many engines. I don't have his e-mail address. Maybe someone else here can help with that. If the cylinder is not scored, you will have a "new" engine again.

ken
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Old Sep 28, 2012, 03:36 PM
YAY the tourists are GONE
United States, MA, Sandwich
Joined Feb 2010
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Originally Posted by E-Challenged View Post
I think that users are think that there is a "cool factor" with 4S, little valves, rocker boxes, etc. Personally I think that a higher revving 2 stroke sounds lots more realistic than a 4S in a scale warbird. Smaller 4S Radials sound like sewing machines, no throaty rumble.
REALLY?

Moki-250 tests on Composite-ARF Corsair F4U (3) (0 min 27 sec)
TWM Zero Saito 170R3 - 20070317 (1 min 42 sec)
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Old Sep 28, 2012, 06:44 PM
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Mountain Home, Ar.
Joined Dec 2009
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The problem is the prop. Not enough pitch.
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Old Sep 28, 2012, 07:56 PM
Mach 1
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walterboro s.c.u.s.a
Joined Jun 2004
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I like the type of engine that gets the airplane airborne so I can have fun on the weelends.
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Old Sep 28, 2012, 10:30 PM
rvlevy7
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United States, NJ, Clinton Township
Joined Sep 2012
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Originally Posted by kenh3497 View Post
Frank Borman makes rings for many engines. I don't have his e-mail address. Maybe someone else here can help with that. If the cylinder is not scored, you will have a "new" engine again.

ken
Yes good idea who can make new ring copy original OS FS .61's ring. I have save broken ring on tag.
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Old Sep 28, 2012, 10:32 PM
rvlevy7
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United States, NJ, Clinton Township
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Originally Posted by wickedpissa View Post
REALLY?
I love sound at Corsair F4U

Thanks
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Old Sep 28, 2012, 10:34 PM
rvlevy7
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United States, NJ, Clinton Township
Joined Sep 2012
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Originally Posted by pathfinder View Post
I like the type of engine that gets the airplane airborne so I can have fun on the weelends.
Yes 'em fun happy flying
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