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T-REX 450 › What headspeed for the 450 SE V1 will let me do just about anything I want
07-12-2008 02:20 AM  9 years agoPost 1
FenderBean

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Clarksville, TN

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Just curious have a heli tach now so I can set things instead of guessing

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07-12-2008 02:25 AM  9 years agoPost 2
shizack

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Aiken, SC USA

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Well, it depends...
I'm assuming metal head (V1), so you should be OK up to at least 2900-3000. If you use wood blades, I wouldn't recommend exceeding 3000.

With a good set of carbon fiber (NOT "carbon" or "fiber" blades, I would think 3200 would be sufficient for about anything.

I have a metal head with woodies, and 2760-2800 does me fine for sport flying (no 3D or aerobatics).

A soul in tension is learning to fly

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07-12-2008 02:28 AM  9 years agoPost 3
FenderBean

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Clarksville, TN

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im running v1 head and align 325 carbons. Im going to get a V2 next week what rotor speed for the new engine

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07-12-2008 02:45 AM  9 years agoPost 4
shizack

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Aiken, SC USA

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If you're ready for serious headspeed, I'd say go 3000-3100 and let 'er rip.

A soul in tension is learning to fly

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07-12-2008 03:54 AM  9 years agoPost 5
FenderBean

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Clarksville, TN

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thats pretty much 100% across on the throttle curve, i had it there today kinda scary but i will give it a try

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07-12-2008 04:22 AM  9 years agoPost 6
shizack

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Aiken, SC USA

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Many of the maniac 'Rexxers recommend 100% flat curve. Not me. I like it rather sedate. I'm at 2760 mid-stick and have no immediate desire for more.

Maybe once I rebuild the heli parts fund and start trying stupid stuff, but I'm taking it easy for now.

A soul in tension is learning to fly

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07-12-2008 04:26 AM  9 years agoPost 7
FenderBean

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Clarksville, TN

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yeah i have 3 curves normal idle 1 3d with alittle lower power idle 2 100%

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