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Old 12th December 2007, 18:14   #1
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Default Cheap 2 channels Copter

This cheapo $40 RC 2-channel has a lot of fun for the money. Not totally ready-to-fly out of the box. Several adjustments made and it flies for about 10 minutes on one charge. Trimming & adjustment were done indoor.

1) The tail rotor is too strong even I've adjusted the trimmer all the way. After trimming (cutting) the tail rotor blades about 4mm, it was set to "natural" with slight twist "yaw" at take off.

2) I use silicone base glue to make sure all bolts are "loctite" making sure nothing comes off during flght from vibration.

3) With only 2-channel; forward motion requires "noise heavy"; I taped several round washers on the canopy (behind the windshield). After 8 minutes test flight; I needed two more washers to give the forward flight a bit more speed.

Too bad I have nobody to hold the video camera during test flight. May be next time for video clip posting. It was a prefect second flight.






3rd flight of the day: video clip - tripod was not pushed into the ice not very steady. Not the best in control, but it could withstand crashes pretty darn good; into the tree branches; head on to the garden shed; flip over from overhead telephone line .... Nothing broke yet.

Weather condition -3 C, ice surface mild wind condition

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Old 12th December 2007, 19:06   #2
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Led ligts onboard?
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Old 12th December 2007, 19:10   #3
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No, unfortunately there is no intrument flying for this cheapo.

Adding one is simple and cost a few cents.
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Old 12th December 2007, 19:28   #4
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tripod + far away + cam should be doable for movie
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Old 12th December 2007, 20:23   #5
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Ok, added movie clip; it wasn't as easy as you said. Not very good, at least you could see it in action.

You could hear the cracking ice surface, the wind is affecting the flight a little .... too many trees around I could get it up higher.

Dailymotion Embed doesn't work?
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Opteron 165 (2) @2.85 1.42 vcore AMD Stock HSF + Chill Vent II

Last edited by Sidney : 13th December 2007 at 01:19.
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Old 13th December 2007, 01:37   #6
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looks like great fun, good thing you have a large backyard, the thing doesn't seem to handle very accurately
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Old 13th December 2007, 02:23   #7
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Yeah, you have to consider the weather factor; nobody flies a electric RC heli at few degree below 0 outdoor. It is not built for it.

It does take some space for it to turn and regains air speed after the turn; when the air speed is too fast before the yaw the momentum continues making the heli flies backward. It takes more room to fly this, I have power lines above and the trees are not far; seems far in the video though; Challenging to say the least. It is similar to driving your car on ice with no brakes and a steering wheel with lots of play.

I did much better earlier; somehow I could not focus on the control with the camera mounted on slippery ice surface. You could see the landing on ice; hard surface.

With only 2 channels that is pretty good unless you go for 4 and 6 channels that could do 3D for >$200 to start. There are cheaper smaller ones that have better control and "feel" but for indoor flight only.
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Old 13th December 2007, 16:54   #8
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Hard surface indeed, the chopper bounced instead of instantly landing

Nice toy for such price, now hope it survives the kids
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Old 13th December 2007, 17:28   #9
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Great Sid, keep us updated
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Old 17th December 2007, 16:55   #10
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