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Permalink Reply by Daniel Wasaa on April 28, 2012 at 9:46am

`? no tips?

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Permalink Reply by Bruce Jones on April 28, 2012 at 9:58am

Are you planning on taking off from around 3000m and flying just dozens of meters off the ground up there, or are you talking about taking off from a much lower altitude and flying up to 3000m?  In the former, I don' think there are any issues.  Perhaps on a very hot day you might want bigger props, but I doubt even that would be needed.  In the latter case I assume you'd need to go FPV or use GPS navigation and have a long-lasting battery solution.

Regardless, in most countries it's illegal to fly more than 100-200m above ground level with a hobby aircraft.

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Permalink Reply by Daniel Wasaa on April 28, 2012 at 11:40am

just standing  on the mountain  and fly a couple of meters from the (mountain ) ground -

so -> in fact just the question can i take a normal quadrocopter motor for that or need I a special motor wtih more rpm and special props?

thx mate..

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Permalink Reply by Bruce Jones on April 28, 2012 at 11:51am

I fly regularly around 2000 meters with no noticeable effects at all.  I suspect you'd have no problem at 3000 and probably not until you're up around 5000-6000m.  Commercial helicopters start having issues up around 5500m.

Worst case scenario, if you wanted to be 100% safe, maybe take a set of props the next size up.  Whether or not your motor can handle them depends on the specs for your motor.

Let us know your experience, I'm sure we'd be interested.

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Permalink Reply by Daniel Wasaa on April 29, 2012 at 1:34am

thx for ur help - which engine and probs do you use?

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