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T-REX 250 › Align 250SE
12-30-2010 06:33 PM  7 years agoPost 1
Bking1340

rrNovice

South Africa

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Good day all.
My align 250SE are smooth as silk and the tail holds incredibly good.
The problem is that my 250 starts to lift only at 3/4 stick - not like my 500 at midstick.
My normal mode pitch are -2 low stick 4.5 mid and 10 high. The 250 are stock standard with 30C align 850 lipo`s.
Idle up 1 and 2 are -10 ; 0 ; 10.
Is 3/4 stick normal or is there something wrong?
What normal mode and idle up mode head rpm am I looking for?
What aileron/elevator pitch am I looking for? (currently at 7)

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12-30-2010 07:38 PM  7 years agoPost 2
knightofcarnage

rrElite Veteran

chicago

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Increase you high pitch from 10 to 12 and bump up the head speed some. it should help. My lifts off in between 1/2 stick and 3/4 stick. Also did you try to lift off in idl1 mode? What i you HS?

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12-31-2010 12:16 AM  7 years agoPost 3
mágico

rrNovice

Theodore, Alabama USA

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If you're flying a typical 3D pitch/throttle curve it should hover at 3/4 stick; i.e. -12 - +12. 0 at midstick.

Corrected.

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12-31-2010 12:23 AM  7 years agoPost 4
dkshema

rrMaster

Cedar Rapids, IA

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3/4 stick is hovering range if you've set your heli up for "3D" flying. Actually, the "3D" setup isn't magic and it's not just for "3D" flying, it's just the arrangement of servos, links, and pushrods that optimizes the control linkage geometry so that you eliminate differential control movements.

-----
Dave

* Making the World Better -- One Helicopter at a time! *

Team Heliproz

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12-31-2010 12:37 AM  7 years agoPost 5
ozziefann

rrNovice

Green Cove Springs, Fl-USA

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What does your thro & pitch curves set at? For norm, idle1, idle2?

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12-31-2010 04:26 AM  7 years agoPost 6
Bking1340

rrNovice

South Africa

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Its just set up for normal mode and idle up 1(idle up 2 is set up the same as idle up 1. I have exactly the setup as per align manual except idle up 1, but my throttle curve is as per manual. It is just my positive and negative pitch is not 11 but 10.
My normal/hover mode is -2 ; 4.5 ; 10. Idle up 1 and 2 are -10 ; 0 ; 10

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