A new .61 low engine. - Page 2 - RC Groups
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Nov 20, 2012, 11:33 AM
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earlwb's Avatar
I did do some performance tests on one of my K&B Twister .61 engines. it was quite impressive. The more rare tuned muffler really livens them up but it ran really well with the Evolution(aja Jett) tuned muffler too.
I posted the RPMS I got with different propellers here. It seemed to like 12x8 props really well too.
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Nov 20, 2012, 11:56 AM
jeffie8696's Avatar
I just got me a Kraft 61 from Bruce, I really like it. It makes really sweet enginey type noises.
Nov 20, 2012, 11:59 AM
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I will try a 12x8 prop. I have a 13x6 on it now. Good engine!!
Nov 20, 2012, 12:02 PM
jeffie8696's Avatar
I take a handful of different props in the appropriate size range and bolt each one on, tune the carb for it and fly . Lets me know first hand which one I like best. I find I usually end up with one of slightly lower pitch than I would have thought, probably because I like the throttle response.
Nov 20, 2012, 01:49 PM
Registered User
Originally Posted by 1ruffdog
An OS 55 AX has more power than the Enya .61 for about $150. With K&B there is always a concern about parts. The original K&B company no longer exists.

Mecoa acquired K&B several years ago and stocks parts for most K&B engines.

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