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| Gas Engines and Power Discuss all aspects of giant scale power systems |
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04-19-2007, 11:56 AM
| #74 (permalink) |
| Into The Light I Command Thee   Join Date: Mar 2006 Location: Utopia
Posts: 663
 |  Re: Real world RPM
Fuji 50 with stock muffler 50:1 fuji oil 87 octane 2 gallons-factory settings Mejlick 22x8--7100 Very happy with the motor. Seems competitive with others of similar class.
__________________ To Fly or Not to Fly--That is the question....  FLYDawghouseRC.net Po Bro Member #1  |
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04-19-2007, 12:10 PM
| #75 (permalink) |
| The Kings Minion  Join Date: May 2006 Location: Atlanta, GA Age: 37
Posts: 919
| Re: Real world RPM
DA50 - KS 1060 Tuned Pipe - Airwild 23x8 - 100:1 Amsoil 7 gallons of fuel so far.. http://www.flyinggiants.com/gallery/...achreading.wmv 7159 RPM's  |
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04-19-2007, 05:12 PM
| #76 (permalink) |
| Bad-ass Super Contributer!  Join Date: Jan 2006 Location: Lexington Kentucky U.S.A.
Posts: 2,125
| Re: Real world RPM
DA50 vess 23a with a slimline ptts after 10 gallons 6750 rpm same motor after a new piston and piston ring 4 gallons more breakin 23a vess with slimline the rpms dropped to 6400 so i replaced the muffler with a stock da50 side dump and the rpms jumped to 6850 rpms with a lot more grunt in the mid range. |
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04-21-2007, 12:23 AM
| #77 (permalink) |
| Bad-ass Super Contributer!  Join Date: Jul 2006 Location: California
Posts: 2,749
| Re: Real world RPM
Taurus TS-52 J&A wrap around Pitts and Bisson wrap around Pitts 87 LL, Stihl oil at 50-1, two gallons through the engine, hovered and flown hard the first flight on. 100' asl Menz "S" 22-8: 7,500rpm (TNC tach) MSC 22-8: 6,850rpm (pulls like a truck) |
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04-24-2007, 08:50 AM
| #79 (permalink) |
| Bad-ass Super Contributer!  Join Date: Jan 2006 Location: Gainesville, TX Age: 36
Posts: 3,554
| Re: Real world RPM
3W150 QS Fuchs 33x12 LL Canisters Warm enough to fly Can't change elevation so I never looked it up. Full Moon Morning dew on grass Northern Hemisphere Earth RPM Don't care the plane pulls hard I have found myself in the past driving myself crazy chasing Ghost RPM's that somebody else clames to achieve with a similiar setup. Do yourself a favor, Fly the plane. If it Runs well and has ample power for your application, put the RPM meter away and fly.
__________________ Cactus Aviation http://www.cactusaviation.com/ Fromeco http://www.fromeco.org/ Free Advice: Do Not Fly In Cow Pastures! Don't Clean your Engine With oven Cleaner! Check batteries after smoke is released from throttle servo! Don't put reeds in Backwards! Last edited by Dangerous Dan; 04-24-2007 at 11:04 AM. |
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04-24-2007, 10:59 AM
| #80 (permalink) |
| Bad-ass Super Contributer!  Join Date: Mar 2007 Location: Kannapolis, North Carolina
Posts: 1,819
| Re: Real world RPM
Brison 3.2 ES Composite Pipe on a 12" header 23A Vess = 6890 22A Vess = 7170 jack strickland that is good news as i will not be buying anymore non repairable ignitions for any of my gassers when they fail. Last edited by krayzc; 05-01-2007 at 11:31 AM. |
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05-04-2007, 02:33 PM
| #83 (permalink) | ||||||||||||||||||
| Bad-ass Super Contributer! Join Date: Jan 2006 Location: Gainesville, TX Age: 36
Posts: 3,554
| Re: Real world RPM
Not if he reads your post
__________________ Cactus Aviation http://www.cactusaviation.com/ Fromeco http://www.fromeco.org/ Free Advice: Do Not Fly In Cow Pastures! Don't Clean your Engine With oven Cleaner! Check batteries after smoke is released from throttle servo! Don't put reeds in Backwards! | ||||||||||||||||||
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05-04-2007, 09:57 PM
| #84 (permalink) |
| Bad-ass Super Contributer!  Join Date: Jan 2006 Location: Williams, Az USA
Posts: 1,607
| Re: Real world RPM
Gotta get me one of those 54 hp DA 150s...Does Dave know he's making those ? My 289cc racing twin is only about 30 hp... Peter Goldsmith runs DA 150s in his race plane, he sure would like to have one like yours, he can get only about 210 mph with his...At about 10,000 with a much smaller race prop.... The best race engine so far is a 200cc Aerrow twin, 244 mph...Yours would be a killer, is it for sale ?  |
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