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HomeAircraftHelicopterAerial Photography and Video › Endurance testing… great fun. NOT!
03-03-2008 08:00 PM  10 years agoPost 1
KREK.59

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France

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If you fly helicopters for fun, they are, well… fun! But if you build helicopters to (try to) make a living, it does tend to get a tad boring. This is because you have to do endurance tests. It’s ike flying a kite as a kid. Fun to get it up there, but letting it hover or fly circles for hours is nog the most exciting job. You find yourself secretly hoping something would go wrong. Lately I’ve spend about 250 hours (there’s a counter on my helicopters) just hanging around. I live in a very quiet rural area so the sound carries far. Since the neighbours also get a bit tired of the sound, I usually take the helicopters up high, to about 150 meters. So then you just sit there watching a humming speck.

After each endurance flight I have to take the whole thing apart to check everything for wear and tear (ad another 500 hours right there!), without doing any real maintenance, since the point is to see how long we can keep going. Of course my workshop is very clean, to avoid dust getting into the works.

The reason for all this is finding out how long a heli will last in the air. I’ve got the electric autonomy up to 8 hours now, for the helicopter as well as for the ground station. The estimated maintenance life cycle is about 2000 hours with just a bit of tweaking and a drop of oil. After that, a serious maintenance overhaul is required.

My next goal? Hanging around for a whole day! I’ve adjusted the gas tank of my smallest helicopter, with 30 cc engine, and I’m just going to fit a really small camera (1 kilo). The rest of the payload will be gas and batteries. I’ll let you know how things work out.

Greetings!
Jan Verhagen

Translation Krek.59
webmaster

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03-03-2008 09:19 PM  10 years agoPost 2
wlfk

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uk

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That's interesting. It would be useful to know what you fly. I just had a tail-belt snap in my T-Rex 450 and though I knew it was looking worn I didn't think it was near death.

Some creative piloting saved the day. But as you say, it would be nice to have a maintainance schedule as per 1:1 aircraft.

K

A bit like a kite, but 500 times more expensive

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03-04-2008 02:16 AM  10 years agoPost 3
ezzywave

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Wash.

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A bit like a kite, but 500 times more expensive

Wlfk- You must not Kitesurf! A good kite and control bar is about 1400$ And ya can't have just one...

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03-04-2008 07:44 AM  10 years agoPost 4
KREK.59

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France

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@WLFK: Jan flies his own helicopters. Built almost from scratch with a chain saw engine. He has combustion engines as well as electric helicopters. For details, have a look at his site http://www.verhagenx2.com

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03-04-2008 11:26 AM  10 years agoPost 5
Seablade

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earth

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Just be happy your not assembling the stages of a rocket...the last 12 inches is a 1/1000th of an inch at a time!

Let's see some photos of your heli's...of course We do not want the endurance video!

Anytime you take something fun and make it a job why does it stop being fun anymore?

"Vini, Vidi, Velcro"

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03-04-2008 06:51 PM  10 years agoPost 6
wlfk

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uk

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Impressive website.

K

A bit like a kite, but 500 times more expensive

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