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Cox Engine of The Month
September-2019
Levent Suberk's

CEF Magazine cover featuring the Ex Model Engines Harpy Eagle .049



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Post  alpinewarren on Wed Sep 04, 2019 12:40 pm

Hi all,

Building a 1/2A Hornet and have a few quick questions as I begin my foray back into 1/2A!  It's been 40 years since I've run one!

1. Which glow clip do you prefer?  I see the old Cox style and the newer clip available - It doesn't need to be compatible with other engines so whichever works best I appreciate the feedback.
2. I have a TD .049 or .051 I will use - 6x3 prop and wondering if I should go 1 ounce or 2 ounce on the fuel tank?

That's it for now!

Thanks!
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Post  1/2A Nut on Wed Sep 04, 2019 3:55 pm

Spring loaded clamp on clips work best
1 oz fuel is enough weight of 2oz fuel just slows the plane down.
2 oz if you decide to upgrade to a .09 later.
5 x 4 prop has less load on the engine more steady NV.


Last edited by 1/2A Nut on Wed Sep 04, 2019 7:01 pm; edited 2 times in total
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Post  alpinewarren on Wed Sep 04, 2019 4:46 pm

Thank you!
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Post  xplaneguy on Wed Sep 04, 2019 10:18 pm

Warren - Welcome back to the wonderful world of 1/2A RC! RC Plane Very Happy
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Post  alpinewarren on Wed Sep 04, 2019 11:33 pm

xplaneguy wrote:Warren - Welcome back to the wonderful world of 1/2A RC! RC Plane Very Happy

Thanks! Now trying to find a few backup engines! Smile

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