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Clone T-rex 450SEV2 style fly-bared main rotor head mod


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Burgess
Extreme 3D
Extreme 3D


Joined: 27 Mar 2012
Posts: 1098
Location: Wales

PostPosted: Mon Oct 26, 2015 11:26 pm
PostPost subject: Clone T-rex 450SEV2 style fly-bared main rotor head mod
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If you're still using clone T-rex 450SEV2 style fly-bared main rotor heads, and after setting-up the main rotor so that the paddles are at 90 degrees the main shaft and then found you need to sub trim aileron and elevator because the heli wants to go backwards and or right straight after lift-off. Checking the flybar paddles if there is a small degree of lost motion. Take a close look at the radius arm to mixing arm, if the mixing arm end moves up and down in the end of the radius at all then replace the SEV2 style washout control arms and either fit the 450 Sport Metal Washout Control Arm part number H45082, or the 450 Plus/SportV2 450 Plus plastic Mixing Arm (L) part number H45171. Both of these have radius arms with radial bearings, this eliminates the lost motion found in the old style SEV2 mixing arms.

Also replace all ball joints and link-rod eyes with Align




Burgess


Last edited by Burgess on Fri Oct 30, 2015 3:30 am; edited 1 time in total
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tombo242
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Joined: 04 Nov 2008
Posts: 4718
Location: Santo Estêvão, East Algarve, Portugal. Now 82, but still feels 22.

PostPosted: Tue Oct 27, 2015 6:59 pm
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Thanks for that info Burgess, lots of useful stuff there. Well up to your usual high standard.

Tom.
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