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HomeAircraftHelicopterLow Head Speed Helicopters › Low Head Speed Newbie
01-14-2018 02:50 AM  7 months agoPost 21
Chrisp

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Auckland, New Zealand

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I have the EBar V2 FBL unit fitted, do the settings need to change? Also the heli has the old EFL FBL unit that came with the heli.

All comments appreciated.

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01-14-2018 01:49 PM  7 months agoPost 22
gwright

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Champaign Il

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Im sorry but I don't understand which head you have from that explanation. Does the rotorhead have links from swash to blade grips with balls on both ends, then another mechanism to link the inner swash to the mainshaft so it spins? Or,.. is there simply one hard link from the blade grip to swash that has a ball on the swash but a long bolt and possibly bearings up at the blade grip (DFC style head)?

Gary Wright

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01-14-2018 02:13 PM  7 months agoPost 23
JuanRodriguez

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The Villages, Florida

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A picture is worth a thousand words.....

Been there, done that and old enough to know better.....

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01-16-2018 05:43 AM  7 months agoPost 24
Chrisp

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Auckland, New Zealand

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Hi

Rotor head

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01-16-2018 03:05 PM  7 months agoPost 25
Richardmid1

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Leeds, England

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I'm assuming you put the single pack in the front position on the tray not the rear? That shouldn't cause your wobble though.

The gain may need increasing in the Ebar to compensate for the much lower head speed.

What throttle % were you running?

60% of the time, it works every time!

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01-16-2018 04:45 PM  7 months agoPost 26
gwright

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Champaign Il

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softer dampers. Of course gyro gains will need to be dropped because the control loop will slow down with the softer dampers, but You should be able to get rid of the wobble. This isn't the DFC head so you should be able to soften up the damping quite a bit.

Gary Wright

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01-16-2018 05:21 PM  7 months agoPost 27
Chrisp

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Auckland, New Zealand

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Thanks for the feedback, gain is currently at 80%, throttle is linear 0 - 100%.

Where can I get softer dampers for the Trex 700e?

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01-16-2018 06:36 PM  7 months agoPost 28
Flyin for Jesus

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Troy, IL. 62294

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Chrisp
throttle is linear 0 - 100%.
Hummm???

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01-17-2018 10:51 AM  7 months agoPost 29
Richardmid1

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Leeds, England

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throttle is linear 0 - 100%.
Might be the issue.

Remember earlier when I said:
Did you remember to ditch the governor and run 100% throttle?

60% of the time, it works every time!

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03-06-2018 05:25 PM  5 months agoPost 30
Chrisp

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Auckland, New Zealand

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Found out what the severe side to side wobble was, it was a dud Ebar !! I had a Vbar sitting around and fitted that, the heli is now super stable with no wobble. I purchased the Ebar from Hobbyking a while back, half the price of the local supplier so I thought I was getting a bargain. Clearly the Ebar was a Friday afternoon or early Monday morning version - lesson learned, you buy cheap you get cheap !!

Anyway I am getting around 850 - 950 head speed, one thing that was noticeable flying with a lower head speed is that your collective management is more critical as you have less inertia in the blades so you have to be on your game, the sound of the blades is also great. As this is the first time flying with just one battery I am slowly increasing the time on the TX to see what flying time I can get, the batteries are 5000mah. I have also fitted the softer dampers as per a previous post.

Thanks to all for the advice.

Chrisp

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04-10-2018 11:16 AM  4 months agoPost 31
Richardmid1

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Leeds, England

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Flight time should be in the 10 minute region.

60% of the time, it works every time!

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04-11-2018 07:23 AM  4 months agoPost 32
Chrisp

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Auckland, New Zealand

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Currently have the timer set at 9 mins and the 5000mah battery still has 50% capacity left.

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