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HelicopterMiniature Aircraft Whiplash & Fury 55 › Tempest head settings
12-04-2005 01:12 PM  12 years agoPost 1
TheRickster

rrApprentice

Beaumont Texas

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Could someone explain in simple terms, or post a link to an explanation, the effects of Delta offset and which seetin each is. I have read all I can find on it and I cannot get a definitive answer on what location is which.One explantaion is that since the furthest hole to the left is on the opposite side of the transverse shaft pivot it affects the blade negatively so that is Neg offset. Another says the hole furthest right (to the blade) is Neg offset because when the blade flaps upward it automatically reacts to the pitch change with negative to bring the blade back down.. Reading the Tempest head assembly the center hole on the grip arm is the neutral hole(Inline with the transverse shaft pivot center) and the one closest to the blade is the positive hole and the one furthest from the blade is the negative hole. So according to MA the Negative hole is the best for hovering in Windy conditions and promotes the most self correction. Have those of you that have tried it found this also to be the case?

I am not used to this many choices... I am flying a Spectra G and mainly fly FAI type flying and would think the added correction from the Negative delta would help in stationary piro's in the wind.. IT is not really too bad in the wind right now with it not taking a lot of cyclic input but I guess the best thing to do would be to try it and see if I like it..

What effect does the Negative Delta have in FFF?

If anyone can share their own experiences with different setups I would appreciate it..

Rick

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12-04-2005 04:58 PM  12 years agoPost 2
Dr.Ben

rrMaster

Richmond, VA, USA

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Before Gordie and I turn loose a plethora of information, are you talking about the Tempest FAI or 3D head?

Ben Minor

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12-04-2005 06:27 PM  12 years agoPost 3
TheRickster

rrApprentice

Beaumont Texas

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Sorry forgot to specify, it is the Tempest 3D head with the Mixers mounted to the Blade grip arm.

Rick

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12-04-2005 11:17 PM  12 years agoPost 4
Dr.Ben

rrMaster

Richmond, VA, USA

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With that rotor head, even with your intended flying style, I think you're going to be best off running neutral delta. Running the mixer mounted in the hole closest to the TIP of the pitch arm will allow some stabilizing/negative delta, but I'm not sure you'll really appreciate it with that small an amount and without a head which gives you a much higher flybar ratio (like the FAI head).

Ben Minor

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HelicopterMiniature Aircraft Whiplash & Fury 55 › Tempest head settings
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