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HomeAircraftHelicopterHelicopter Main Discussion › thunder tiger e550 and ar7200 porpoising
06-30-2018 04:05 PM  86 days agoPost 21
motorrc

rrApprentice

canton ohio usa

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I don't run them at the speed routinely, that was just for testing purposes.

if it doesn't fit, make it fit.

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06-30-2018 04:39 PM  86 days agoPost 22
Evolusia

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UK

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Wow, I would like to have seen that, preferably through field glasses at several hundred paces.

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06-30-2018 09:18 PM  85 days agoPost 23
motorrc

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canton ohio usa

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yes, it definitely flew like a different helicopter, but still porpoised!

if it doesn't fit, make it fit.

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06-30-2018 09:19 PM  85 days agoPost 24
motorrc

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canton ohio usa

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ps these were carbon fiber blades, not woodies.

if it doesn't fit, make it fit.

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09-04-2018 04:59 PM  20 days agoPost 25
motorrc

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canton ohio usa

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rcscaleguy
Have you tried swapping heads. Then you’ll know if it’s the head or electronics. Couple of links to pop and a bolt on main shaft. Then you can isolate your problem.
I finally got around to substituting heads on the e550. It started with the standard thundertiger FBL head and I substituted a brand new garret head-no change still porpoising. Now I think it might be the servos-I am running hitec 5645mg on the cyclic and I have these on another e550 and it doesn't porpoise so I'm having a little trouble believing it indeed is the servos but can't think of anything else. I am presently running at 5.7V and am thinking of pushing to 6.0v to get better performance on the hitec servos. I have a futaba bls251 on the tail so I would not want to go any higher on the operating voltage. Any thoughts by anyone appreciated.

if it doesn't fit, make it fit.

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09-04-2018 06:40 PM  20 days agoPost 26
motorrc

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canton ohio usa

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ps The BEC on the talon 90 that I have installed as the ESC only allows 6.0V or 8.0V so I am at max unless a change out the futaba BLS 251.

if it doesn't fit, make it fit.

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HomeAircraftHelicopterHelicopter Main Discussion › thunder tiger e550 and ar7200 porpoising
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