High altitude flying/operating experince? - RC Groups
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Aug 15, 2011, 08:37 PM
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jaksno's Avatar
Question

High altitude flying/operating experince?


In the Beginner thread I have a post about a Sierra and Evo.40 at 7000 ft - I may just need to better tune the engine, but if anyone could go there and look for:

"Do you have experience with Top Flite Sierra and Evo .40?" over there, I'd sure appreciate it!

Thanks,

jaksno
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Aug 15, 2011, 10:00 PM
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hmm may want to look in to e power and higher then listed pitch prop
Aug 16, 2011, 10:44 AM
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jaksno's Avatar
Quote:
Originally Posted by Elios000
hmm may want to look in to e power and higher then listed pitch prop
Excellent thinking. But I've set this 'task' as I've had the desire for so many years to do R/C with fuel, have the Bud Nosen Champ almost ready to go, and am trying to transition from the foamies and electric, which I like a lot, so I can eventually fly the Champ without too much chance of wrecking, etc.

I've been flying e powered foam for a couple years, and ailerons recently with no problem; finally starting to attempt to fly the tail dragger converted Sierra, the last step in the saga to flying the champ and possibly hanging it up as far as fuel goes.

Then back to all the possibilites of foam, Guillow conversions, etc.

Thanks!
jo
Aug 16, 2011, 05:05 PM
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you may just need a bigger motor at that alt is the issue
Aug 17, 2011, 01:44 AM
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jaksno's Avatar
I agree, Elios. At the moment, I'm considering the idea of using a hi-start/bungee/catapault as well.

thanks,

Jackson
Aug 18, 2011, 09:46 AM
Registered User
The engine will operate about the same as if it were at sea level. It may tun a bit faster due to the density change. Other factors that effect the engine are humidity and temperature. It is not like a regular gasoline engine or a diesel engine where asperation would be a problem. That's why the trucks all have turbo chargers, takes care of the altitude problems among other things.

I would fuel it up and go fly. Do the same things like backing off a couple of clicks to enjure you do not go lean in the air. I think you will have no problems.

Chip


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