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| Gas Engines and Power Discuss all aspects of giant scale power systems |
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06-05-2009, 04:23 PM
| #746 (permalink) |
| Bad-ass Super Contributer!   Join Date: Jan 2006 Location: Williams, Az USA
Posts: 1,607
 |  Re: CRRC Pro GF26I
C&H and RC EXL ignitions will fire a .050 gap very well, use the TLAR method... Not sure about the other ignitions, I HAVE run both of the above ignitions at .050, even took the side electrode clean off a BPMR6F, the engine started and ran but missed at high rpm.... I guess if you wanna use the "accepted" gap use .025 to .035....Anyone thinks a few thousandths difference in the gap makes any measureable difference is WRONG...Unless it's on the fine line of being too close.... 
__________________ Stupid is a condition, ignorance is a choice  |
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06-05-2009, 10:05 PM
| #747 (permalink) |
| Bad-ass Super Contributer!  Join Date: Jun 2008 Location: Tacoma, WA Age: 48
Posts: 486
 | Re: CRRC Pro GF26I
Ralph is right, the plug gap is not that critical, .020"-.030" is in the neighborhood. I eyeball them all the time and whenever I check the calibration of my eye it's usually around .24".028".
__________________ Jody Valley View RC |
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06-08-2009, 11:34 AM
| #751 (permalink) |
| Bad-ass Super Contributer! Join Date: Jun 2008 Location: Tacoma, WA Age: 48
Posts: 486
| Re: CRRC Pro GF26I
One plug or the other does not help it start easier, different heat range relates to the ability of the plug to transfer heat from the firing area of the plug to the cylinder after the engine has been warmed up. If your having trouble starting, try increasing the plug gap to about .028"-.030".
__________________ Jody Valley View RC |
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06-27-2009, 10:58 AM
| #753 (permalink) |
| Flyin' Around  Join Date: Feb 2008
Posts: 2
| Re: CRRC Pro GF26I
Hello everyone have received great information from all your input I have a CRRC pro gfi26 that will be going into a CM Yak 54 140 might be to heavy for 3D but I hope it should ok for aerobatics and sprited sport flying any comments or recomendations would welcome |
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07-17-2009, 11:55 PM
| #756 (permalink) |
| Doo It! Doo It!  Join Date: Jan 2006 Location: Orlando, Florida
Posts: 76
| Re: CRRC Pro GF26I
My engine has developed a tendency to misfire at high idle and full throttle. Nothing has been changed (same needle setting, gas, etc.) I have found that re-tightening the spark plug cap kind of solves the problem momentarily but after a while the cap loosens up again. I tried a hose clamp but that does not seem to work. Could the spark plug cap/wire be defective?
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