NEW OS 15cc gasser with no ignition module needed?????? O.S. GGT15 Glow Gasoline
#101
Senior Member
Join Date: Oct 2005
Location: Fresno,
CA
Posts: 850
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I flew my replacement OS GGT-15 engine yesterday and it preformed great. I really like the GGT-15 and hope that I do not ever have any further issues. Thanks again to Hobby Services for their prompt service.
Best wishes and good safe flying.
Heli-NuBee (AKA Roger the radial rabbit)
Best wishes and good safe flying.
Heli-NuBee (AKA Roger the radial rabbit)
#102
My Feedback: (26)
Here's some rpm numbers for you guys. I ran both engines with the same 15 x 6 APC propeller. The engines were not leaned out to max rpm's. The .75 glow was set the way I fly it. I fly the 15cc gas richer than the 10,000 rpm.
OS .75AX glow engine 9,200 rpm
OS 15cc gas glow engine 10,000 rpm
I think the prop is too big for the .75 glow engine. It seems to lug the engine down a little in the air. The 15cc gas seems to have a lot more torque and it turns this prop with ease. The .75 is well broken in. I have burned about 1 gal of fuel in the 15cc gas. I have the gas engine on a GP Revolver 70 and I think it has the perfect amount of power for it.
OS .75AX glow engine 9,200 rpm
OS 15cc gas glow engine 10,000 rpm
I think the prop is too big for the .75 glow engine. It seems to lug the engine down a little in the air. The 15cc gas seems to have a lot more torque and it turns this prop with ease. The .75 is well broken in. I have burned about 1 gal of fuel in the 15cc gas. I have the gas engine on a GP Revolver 70 and I think it has the perfect amount of power for it.
#103
Senior Member
For those whose warranty has run out and are in need of repair, try RCJapan for parts. Very reasonably priced parts. Shipping was also reasonable at 18.50$. Not certain of how long it will take since I just placed my order last Friday. When I receive the parts I'll post timing and shipment particulars