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E-Sky Helicopters E-Sky Line - Help each other out!!


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Old 04-15-2021, 01:52 PM   #1 (permalink)
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Default Small question about elevator stick on Big Lama

Hi all,


I'm completely new to RC helicopters, I got this ESKY Big Lama second-hand. Is it normal that when I move the elevator stick up, only the left "leg" (I don't know what's the right name for that) moves up, instead of the left and right at the same time?


Same question when I move the aileron stick, only the "right" leg moves, and not the left?


Here's the video: https://streamable.com/q6b5le


After training for a while, I was able to fly it a little bit, but it feels very unstable at times


Thanks
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Old 05-09-2021, 08:46 AM   #2 (permalink)
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After watching the video it's my opinion that your ccpm swash mix is not set correctly. If the transmitter is in mode 2 when you move the left stick forward the swash plate should move up as a unit to control the pitch of the blades. If you do a search there is probably some setup information on the internet.
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Old 05-09-2021, 08:54 AM   #3 (permalink)
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After doing a search on the web for setup information I saw that the Esky bBig Lama is a coaxial heli. Your setup might be correct after all and the heli just needs to be trimmed properly. I know absolutely nothing about coaxial helis and wanted to point this out before you started to adjust anything. When I did the search on the web there are many setup and information videos on this brand of helicopter. Sorry for the mixup.
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Old 05-09-2021, 10:41 AM   #4 (permalink)
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I have flown many co-axial helicopters and the way that the servos move is completely normal. Your transmitter is setup for Mode 1, which has Throttle and Aileron on the right stick and Rudder and Elevator on the left stick. Balance should be so that if you pick up the helicopter by the flybar at the root (not near the tips), the skids should be level to the ground. Also, trim should start off with the stick trims in the center and then bring the helicopter up until it is light on the skids (smooth floor is good for this) and see which way it wants to move. If it rotates, add rudder trim to correct the rotation. As you bring up the throttle, bring it up quick enough to get it off the ground and see which way it wants to travel. Move the trims until it comes up straight and level. If you run out of trim, note which way the trim moves the swash plate and then lengthen or shorten the link until it is no longer moving in the direction that takes it away from a level hover. If you are at the limit, you can always shorten or lengthen the links until you have adjustment room. Hope this helps.

Don
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Old 05-09-2021, 11:47 AM   #5 (permalink)
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Don,
Thanks for helping the OP with his question. I didn't realize what he was asking until I had posted an answer and then realizing I know absolutely zero about coaxial helis. I have never flown anything but mode 2, fly barred, and FBL helis so my answer to him would have train wrecked his setup. With any luck he will be able to get going with the proper information.
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