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01-17-2003 03:35 AM  15 years agoPost 1
akdutch

rrNovice

Deltona, Fl.

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can someone tell me the difference in proformance between the regular swashplate and the ccpm?.. for my next heli, I'm thinking of a .46 and would like to know if I should stick with the old or try the new. Barely flying, but trying.

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01-17-2003 04:40 AM  15 years agoPost 2
Isaiahsdad

rrApprentice

Midwest City, Oklahoma

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CCPM is a much more efficiant system to work with but you need a radio that is ccpm capable. If you are buying a new radio chances are it is already. CCPM uses all the servos in conjunction to get the job done. This means less stress on the servos and better performance.

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01-17-2003 05:51 PM  15 years agoPost 3
The_Dave

rrVeteran

Las Vegas / Pahrump, Nevada

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Mechanical Advantage

I would argue that the Thunder Tiger design of using a lever to move the swash plate gives the greatest mechanical advantage and puts the least amount of stress on the servo. Another thing to consider on 3 servo CCPM if you lose any one servo you lose control of the machine, with a conventional system you atleast have a chance of saving the bird.

Mark McAlpine - 2005 - We will never forget.

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01-17-2003 08:12 PM  15 years agoPost 4
Flight Engineer

rrApprentice

Gisborne, New Zealand

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I agree with " The_Dave". ECCPM is not the "be all & end all". It comes with its own set of problems & issues. It is very difficult to eliminate control coupling due to the servos (especially non digital) moving at different rates.
Eithor electronic CCPM or the more conventional mechanical CCPM work equally effectively, if set up & maintained correctly. Therefore don't limit your choice of heli for this reason. - I started out looking at a Voyager 50 (eccpm) for my next Heli & have ended up with a mccpm Raptor 60 (mainly due to crash cost).
But if you want to try something new & have a radio that is capable, go for it.

Dean

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01-17-2003 08:17 PM  15 years agoPost 5
Indrid

rrKey Veteran

Hamburg, NY

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actually CCPM is the one with redundancy, the mech system's loss of a servo would basically let it flap all over. 90 degree ccpm is probably the most "secure" of them all from what i have heard.

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01-17-2003 09:08 PM  15 years agoPost 6
The_Dave

rrVeteran

Las Vegas / Pahrump, Nevada

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Indrid you said :
actually CCPM is the one with redundancy, the mech system's loss of a servo would basically let it flap all over. 90 degree ccpm is probably the most "secure" of them all from what i have heard.
That could not be futher from the truth. If you loos one of the servos in a 3 servo CCPM system you lose the ability to control the swash plate, period. If you lose a servo in a conventional system you only lose the ability to control that function. Lets say that you collective servo in a conventional system locks up at half stick, you could still fly the machine and make an emergency landing. If it was CCPM yu would have to be one hell of a good pilot to do the same thing.

Mark McAlpine - 2005 - We will never forget.

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01-17-2003 09:57 PM  15 years agoPost 7
Indrid

rrKey Veteran

Hamburg, NY

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i was no referring to 120 or 140 degree ccpm, i was talking about 90 degree. since there are four servos at 90 degree intervals, if one fails it still has enough strength to control the swashplate. on a 120 system, it will definitely fail because an entire side of the swash is now uncontrollable.

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