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HelicopterFlybarless Rotor Head SystemsV-Bar › 5.1 electric gov and throttle curves
02-17-2011 03:58 AM  6 years agoPost 1
BrainDrain_dx

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Wichita KS

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What are the throttle curves suppose to be? On my 700e with hobbywing 120hv. I started with a 0-50-50 requested headspeed 1700. Idle1 is a 75-75-75 requested headspeed 1900. When I flip the switch it jumps so fast in throttle I think the gears are going to strip. I changed the idle up to 50-50-50 and it seems fine now but the question is, what should the throttle curves be set at?

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02-17-2011 04:23 AM  6 years agoPost 2
sandtrx

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Oregon

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check your runup speed setting

curves depend on your max headspeed setting. Mine (nitro) are as follows

Max headspeed 2100

normal: 0-86-86-86-86 =1806 (86% of 2100)
iu 1 : 91% flat across = 1911 (91% of 2100)
iu 2: 96% flat across = 2016 (96% of 2100)

If you want a greater separation between the percentages, then up your max headspeed to 2500 or something like that.

post your file as well

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02-17-2011 05:16 AM  6 years agoPost 3
BrainDrain_dx

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Wichita KS

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my runup is 3 but it doesnt seem to do much
my max headspeed is also 2100
my gov channel is something like
85 - 1700rpm
95 - 1900
104 - 2100
tcurves are now
0 -50-50
50-50-50
50-50-50

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02-17-2011 05:42 AM  6 years agoPost 4
Clarence Creer

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Dallas, Texas

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Are you using a phase sensor or magnets?

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02-17-2011 05:57 AM  6 years agoPost 5
BrainDrain_dx

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Wichita KS

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Hyperion phase sensor

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02-17-2011 06:05 AM  6 years agoPost 6
Clarence Creer

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Dallas, Texas

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BrainDrain_dx,

Did you do a reset on the GOV I screen? In the electric mode you should only have preset channel from rx. Your curves select your requested HS.

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02-17-2011 09:08 AM  6 years agoPost 7
MrMel

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Gotland

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Think of electric mode like a 3-4 way switch.

i.e. you have Motor off, "Normal flat", Idle-up1 and perhaps Idle-up2
If you have governor mode in the radio it's easy to use that one, if you dont you can use throttle curve, but you do not use both.

So if throttle is your controlling channel it should look something like this;

Hold: 0%
Normal: 70-70-70-70-70
Idle1: 90-90-90-90-90
Idle2: 100-100-100-100-100

With this setup heli will spoolup as soon as you go out of throttle hold

If you instead want it off until you move stick, go 0 on lowest point in normal mode, but it wont be "stick controlled", i.e. it's only on or off.

If you REALLY want to skip slow start and use stick to control the spoolup you could run nitro mode.

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02-17-2011 04:04 PM  6 years agoPost 8
BrainDrain_dx

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Wichita KS

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ok, I left the preset channel from receiver to aux2 and setup a gov menu which is where I went wrong. The lack of a procedure is kind of confusing. I changed preset to throttle channel, disabled my gov and all is well. We at least its working now.

Currently my gov is meh, I started at 40 gain (lots of fast oscillation) and am now down to 25. I still get fast oscillation from time to time and my packs are being drained much quicker then before with the castle gov.

I'm running 700mx, on 12 pwm, 15degree timing on a hobbywing 120a HV.

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