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HelicopterBergen R/C Helicopters › Has anyone tried a Hanson 3d max engine in Intrepid Gasser EB
03-28-2005 12:25 PM  13 years agoPost 21
Crazy Horse

rrApprentice

Orlando FL

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Hey thanks for the heads up on the headspeed! That may have saved alot of frustration! hmm maybe I need to get ahold of vic and get me some of those 720s with the reflective tips Or I guess I can fly my 720 maveriks

sponsored by generous people that give tips to thier limo driver

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03-28-2005 04:09 PM  13 years agoPost 22
Dr. Fibinotchi

rrKey Veteran

Sioux Falls SD

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head speed.
From What one of the more seasoned guys out there had said that the engine gets pretty peaky on the 7.15 and higher. Others have said the 7.15 is great. I guess do let us know about that gear ratio you are using. I would like to go higher, but I dont know about the usable power if I have to run 2000 head speed to get in the engine range. It was also said that the engine doesnt like the 13k+ range. But very few are running the max and a lot are upgrading to it...

-Cody

If you want others to be happy, practice compassion. If you want to be happy, practice compassion.

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03-28-2005 06:26 PM  13 years agoPost 23
wolfdad

rrKey Veteran

Southern Maryland

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Cody,
Bruce has the 3D Pro Max spec'ed at 16800 RPM max and the 11 tooth pinion puts me at about 13770 (8.1 ratio), assuming a median 1700 head speed. That should, give or take, put me right in the engine's power band. Will keep you all posted on how it works out. I forgot to mention that I am also upgrading the Intrepid to the heavier EB gearbox as well, but keeping my standard boom length (really don't have any reason or desire to run the 810mm blades....will save them for my turbine). I am anxious to see how this combination works out.

wolfdad sends....

"There are those who have...and, those who will" IRCHA #2117, AMA #70068, Turbine Waiver #105

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HelicopterBergen R/C Helicopters › Has anyone tried a Hanson 3d max engine in Intrepid Gasser EB
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