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130X Blade 130X Helicopters Information and Help


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Old 08-10-2019, 05:39 PM   #1 (permalink)
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Default Heli slams down when closing throttle

I have set my TX up like the manual says, I have really lowered the ail and ele expo which as helped BUT when I close the throttle fully when in trouble the heli slams down,
What do I need to alter ,pitch curve or throttle curve. I am only hovering at moment. Thanks
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Old 08-10-2019, 05:58 PM   #2 (permalink)
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Alter your pitch curve so there is only a small amount of negative. Many people do that when learning just because of what you are experiencing. Keep enough to move downward and keep the heli planted on the ground.
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Old 08-10-2019, 07:04 PM   #3 (permalink)
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Since this is a collective pitch heli, you're better off to learn to hit 'throttle hold' when in trouble and leave the throttle stick alone.
This will be a good habit going forward.
Chris
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Old 08-11-2019, 02:07 AM   #4 (permalink)
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On a Collective pitch heli the left stick shouldn't be thought of as 'throttle' it's the collective stick. Throttle is controlled primarily by the throttle hold switch.
If you think this way and set your heli up this way life becomes much simpler when flying CP helis. (i.e. dont use 'normal mode' throttle curve)
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Old 08-11-2019, 04:58 AM   #5 (permalink)
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Quote:
Originally Posted by Grumpy_Old_Man View Post
On a Collective pitch heli the left stick shouldn't be thought of as 'throttle' it's the collective stick. Throttle is controlled primarily by the throttle hold switch.
If you think this way and set your heli up this way life becomes much simpler when flying CP helis. (i.e. dont use 'normal mode' throttle curve)
Very good advice
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Old 08-11-2019, 05:03 AM   #6 (permalink)
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Learn to use throttle hold as suggester above.


Get out of the habit if slamming collective down.


Throttle hold is your friend.


HW.
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Old 08-11-2019, 05:13 AM   #7 (permalink)
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Yes to what everyone else here said. AND...

It is a BAD habit to use the left stick to shut down. It is terrible that the cheap controllers that come with RTF kits do not have TH.It is bad for us and good for the parts manufacturers.

TH is your friend. It saves money. When a little bird gets into trouble--either my thumbs or mechanical--TH lets me ease it to the ground. I still have collective and rudder control. If it is upright I can give it full positive pitch near the ground to slow the headspeed and soften the landing. Or if inverted give it full negative.

Learn two good habits: use IU before you take off (even if flying sport mode for now) and useTH anytime the heli is not flying.
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Old 08-11-2019, 05:28 AM   #8 (permalink)
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Thanks taken most of that onboard. I get the left stick in not throttle.
I have 3 flight modes set up like manual suggests, I have been using normal thinking its the most docile. Not sure about the IU comment and use? Lastly what mode should I be in and what values should I be looking at please?
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Old 08-11-2019, 06:19 AM   #9 (permalink)
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Quote:
Originally Posted by Bugle call View Post
Thanks taken most of that onboard. I get the left stick in not throttle.
I have 3 flight modes set up like manual suggests, I have been using normal thinking its the most docile. Not sure about the IU comment and use? Lastly what mode should I be in and what values should I be looking at please?
If it were me I'd set the throttle curves in the three flight modes to:

N: 70-70-70-70-70
1: 80-80-80-80-80
2: 100-100-100-100-100

Pitch curves for all modes I'd set 0-25-50-75-100. But if you felt that the collective was still too sensitive then you could soften response by setting the pitch curve in 'N' to: 15-33-50-67-85


To start the heli you put the collective stick in the middle (pitch = zero) and release throttle hold. The ESC soft start ensures a smooth spoolup. Get used used to using throttle hold to start and stop the motor, this is an essential habit to get into as you progress in RC helis.
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Old 08-11-2019, 08:10 AM   #10 (permalink)
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Grumpy Old Man, That's excellent, thank you very much.
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Old 08-12-2019, 09:37 AM   #11 (permalink)
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FWIW, I have my 130Xs at or near 100% in all three modes, but I have a fairly flat pitch curve in Normal Mode (say, 20-35-50-65-80), a steeper curve in IU1, and the usual 0-25-5-075-100 curve in IU2.

Seems to work for me, seems to be more stable.
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Old 08-16-2019, 02:33 PM   #12 (permalink)
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Maybe the main gear has slipped down the shaft
Is there any up down play in the head?
If there is put a finger on the head and press main drive gear up
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