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T-REX 450 › 450pro fast pirouette when going to Idle up 1
01-06-2017 02:08 AM  10 months agoPost 1
rowdog_14

rrApprentice

Austell, GA

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So I decided to setup my 450 pro idle up 1 and 2. I set it up per the manual and I was hovering fine then went up to about 10 feet flip the flight mode switch to idle up 1 and it started spinning like crazy. My crazy butt let off the collective and it landed full -4 pitch bent the main shaft and tail shaft. Align CF Main blades look good.

My question is why did it start spinning so fast? I have my gyro sens at 50% which was probably the problem right ?

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01-06-2017 02:35 AM  10 months agoPost 2
rowdog_14

rrApprentice

Austell, GA

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I think I answered my own question. My other helis have the gy401 and idle up my radio is setup so it keeps is in head hold mode. So with me having my 450 pro at 50% gy520 on the setting it took it out of head hold mode.

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01-06-2017 02:38 AM  10 months agoPost 3
PilotPin

rrApprentice

Indiana -- USA

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Maybe you went from hh mode to rm without the tail mechanically set up right. Which way did it spin CW or CCW ?

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01-06-2017 02:41 AM  10 months agoPost 4
PilotPin

rrApprentice

Indiana -- USA

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I guess I was a few sec. late with my post .

Good you got it straighten out.

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01-06-2017 02:56 AM  10 months agoPost 5
rowdog_14

rrApprentice

Austell, GA

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That still could have been it. It went to regular mode and spent CW.

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01-07-2017 12:44 AM  10 months agoPost 6
rowdog_14

rrApprentice

Austell, GA

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@PilotPin yeah I did not have the tail setup mechanically correct. Thanks for the input will get it squared away.

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T-REX 450 › 450pro fast pirouette when going to Idle up 1
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