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Search: Posts Made By: Sky Thunder
Showing results 1 to 21 of 21
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Forum: ARF or RTF
12-01-2010, 06:18 PM
Replies: 67
Views: 15,027
Posted By Sky Thunder

RE: NEW GP Eagle 580 Matt Chapman GP/EP ARF

Jimmy</p>

I feel that it lands very well with no surprizes. At least as easy as my P-47 thunder bolts ( 60 size ). One 65 " Hanger 9 and , one 67 inch wing span P-47 razor back by Model Tech.  How...
Forum: ARF or RTF
06-16-2010, 11:02 PM
Replies: 67
Views: 15,027
Posted By Sky Thunder

RE: NEW GP Eagle 580 Matt Chapman GP/EP ARF

sty181

Thanks for the weight on your Eagle 580 46/81 EP. I am at 8lbs 5 oz. I am 1 lb 7oz. heavier. I sure am paying a weight penalty with the RCGF 15 CC gasser. Our field is flooded with all the...
Forum: ARF or RTF
06-15-2010, 10:50 PM
Replies: 67
Views: 15,027
Posted By Sky Thunder

RE: NEW GP Eagle 580 Matt Chapman GP/EP ARF

sty181
Is your Cap the new Eagle 580 46/81 EP?? I feel my Eagle 580 46/81lands at a moderate speed. I am use to flying P-47 60 size war birds and the Cap is easier to land. My 40 size Great Planes...
Forum: RC Warbirds and Warplanes
06-13-2010, 10:04 PM
Replies: 272
Views: 67,200
Posted By Sky Thunder

RE: B-29 SUPERFORTRESS BUILD THREAD

Warbird Man
The RCGF 15 CC swings my APC 15x4W at 8550 RPM. So I set it to 8350 RPM. I think this issome wherebetween a saito .72 and .82. I see you have made a lot of progress on the B-29. Very...
Forum: ARF or RTF
06-10-2010, 09:50 PM
Replies: 67
Views: 15,027
Posted By Sky Thunder

RE: NEW GP Eagle 580 Matt Chapman GP/EP ARF

ProScaleRC
Flying level 25' above the the strip then hitting full throttle and pulling up elevatorto climb verticle, it climbs to about 150 ft then stalls. That was with aZinger 15x6 wood...
Forum: ARF or RTF
06-10-2010, 08:05 PM
Replies: 67
Views: 15,027
Posted By Sky Thunder

RE: NEW GP Eagle 580 Matt Chapman GP/EP ARF

Hi
I know this is an old thread but I wonder what the total weight with out fuel is with your Saito .82 for your Eagle 580 46/82 EP 53" wing span?

I put in a gasser RCGF 15 cc and ended up with...
Forum: Gas Engines
06-09-2010, 10:33 PM
Replies: 608
Views: 198,269
Posted By Sky Thunder

RE: 15cc Gas RCGF engine information thread

gsmith6879

I took a look at BP Hobbies and and they have the RCGF 15 CC with ignition and muffler at 29.1 oz, the same equipment on the RCGF 20 CC at 38.1 oz.
If that is correct thats 9 oz...
Forum: Gas Engines
06-09-2010, 06:40 PM
Replies: 608
Views: 198,269
Posted By Sky Thunder

RE: 15cc Gas RCGF engine information thread

I used a Glo-Bee tach.Not sure on its accuracy

Here are my results with the RCGF 15 CC.Zinger 15x6 200 rpm below ( max rpm 7550 ) = 7350 rpm.
<u>Fish scale on concrete = 7lbs 2oz.</u>
LCRC...
Forum: Gas Engines
06-07-2010, 04:14 PM
Replies: 608
Views: 198,269
Posted By Sky Thunder

RE: 15cc Gas RCGF engine information thread

ghoffman,
The calc does not have a Vess prop selection but popular props calc out 12.78lbs to anAPC being the best at 13.54 lbs. Be interesting to see your static physical measurement. Those...
Forum: Gas Engines
06-07-2010, 04:00 PM
Replies: 608
Views: 198,269
Posted By Sky Thunder

RE: 15cc Gas RCGF engine information thread

Thanks gsmith6879

Thanks , I just went back and read all previous threads. I bought a fish scale lastnightand weighed my Eagle 46/82 EP.
I was surprized with 8 lbs 5 oz. (with out fuel). Imade a...
Forum: Gas Engines
06-06-2010, 07:08 PM
Replies: 608
Views: 198,269
Posted By Sky Thunder

RE: 15cc Gas RCGF engine information thread

ghoffman

Looks like I'm off to by a fish scale and some props. Nice pics of the scale set up. I will be busy with work this week but will post my RCGF15 CC results.

thanks,
Jim (Sky Thunder )...
Forum: Gas Engines
06-06-2010, 07:01 PM
Replies: 608
Views: 198,269
Posted By Sky Thunder

RE: 15cc Gas RCGF engine information thread

gsmith6879

Thanks for your reply. I am hoping for some data either RPM or Thrust values from 14" and 15" lower pitched props.Unless someone knows the best thrust setup prop for this RCGF 15 CC I...
Forum: Gas Engines
06-06-2010, 06:44 PM
Replies: 608
Views: 198,269
Posted By Sky Thunder

RE: 15cc Gas RCGF engine information thread

ghoffman,
I don't have a way to measure thrust yet. I played with the thrust Calc link below to get an idea of prop diameter size and rpm vs thrust. Unfortunateit cant tell me the rpm data I need...
Forum: Gas Engines
06-06-2010, 06:17 PM
Replies: 608
Views: 198,269
Posted By Sky Thunder

RE: 15cc Gas RCGF engine information thread

Airborne 2.4
With the 13X6 wood Zinger tached ( static )at 9600 rpm not very well.The RCGF 15 CC addsextra weight. The added thrust of the 15X6 wood Zinger made a positive difference. The plane is...
Forum: Gas Engines
06-06-2010, 02:02 PM
Replies: 608
Views: 198,269
Posted By Sky Thunder

RE: 15cc Gas RCGF engine information thread

gasrchobbyengines,
I did not know about your selling of the RCGF engines until after I purchased my 15 CC RCGF from BP hobbies( so called vs 2 ). My ignition has the RCGF logo on it. I am now using...
Forum: Gas Engines
06-05-2010, 01:36 AM
Replies: 608
Views: 198,269
Posted By Sky Thunder

RE: 15cc Gas RCGF engine information thread

Ron may have been talking about the RXEXL or the RCGF I don't know. Iwas asking about the RCGF ignition.I spoke to BP Hobbies today and they said if a 5 cell 6 volt pack is used youalso need a...
Forum: Gas Engines
06-04-2010, 07:46 AM
Replies: 608
Views: 198,269
Posted By Sky Thunder

RE: 15cc Gas RCGF engine information thread

Thanks for the feed back. Do you know if there is really a difference in the high rpm when using 4.8volts vs 5.8 volt regulated. 5.8 volt regulator seems like an odd voltage. I will check out that...
Forum: Gas Engines
06-04-2010, 12:33 AM
Replies: 608
Views: 198,269
Posted By Sky Thunder

RE: 15cc Gas RCGF engine information thread

SERCE
Thanks for the positive idle out look. I have about a gallon through the engine. I plan to use this engine a lot. Looks like time will tell.

I have a fellow flyer who bought the...
Forum: Gas Engines
06-04-2010, 12:12 AM
Replies: 608
Views: 198,269
Posted By Sky Thunder

RE: 15cc Gas RCGF engine information thread

Warbird Man..
I just did the maiden flight with the RCGF 15 CC engine mounted on my Eagle Cap 580 46/EP. It weighs in at about 8 1/4 lbs. I used a 13X6 zinger prop. The top RPM was set at 9600. Not...
Forum: Gas Engines
05-08-2010, 11:33 PM
Replies: 608
Views: 198,269
Posted By Sky Thunder

RE: 15cc Gas RCGF engine information thread

          Matt Chapman Eagle 580 46/EP with RCGF 15 CC

Follow up on 15 CC RCGF low idle RPM. After using the 40:1 ratio of 91 octane gas to oil and a freshly charged ignition 5 cell battery I am...
Forum: Gas Engines
05-07-2010, 07:33 PM
Replies: 608
Views: 198,269
Posted By Sky Thunder

RE: 15cc Gas RCGF engine information thread

I have installed a RCGF 15 CC into A Great Planes Matt Chapman Eagle Cap 580 46/EP. I cut the fire wall back 1 inch. Installed the rudder servo in the tail. Balance seems to be right on. Only plan to...
Showing results 1 to 21 of 21


 
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