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HelicopterMain Discussion › Main shaft and tail question
04-02-2005 09:54 PM  13 years agoPost 1
pploco

rrApprentice

Cedar City, Utah - USA

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I just got back into helis after 10 years. I found a used Raptor on Ebay (smoking deal), but I think its setup wrong. I notice that if I manually spin the main rotor clockwise, the tail blades do not spin. This can't be right.... right? The way this behaves, there is no way I could auto.

Just looking it over - it appears that the main bearing is backwards. Is this possible?

Any thoughts?

Raptor 50 V1

flying ..... work .... sleep (pick any two)

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04-02-2005 10:06 PM  13 years agoPost 2
Drunk Monk

rrProfessor

Preston, UK

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I notice that if I manually spin the main rotor clockwise,
That's right for a heli without a constant drive tail.


Stephen

I only open my mouth to change feet.....

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04-02-2005 10:15 PM  13 years agoPost 3
Mr.Gravity

rrApprentice

Mena,AR

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pploco,
On a non driven tail this is correct. When you are turning your mains clockwise, you are not turning your main gear so your tail drive will not move. You can manually turn your main gear by hand and you will notice that now your main blades and tail rotor will both be driven in the correct direction. You have to turn the main gear to simulate flight because your engine and clutch will be engaged and turning the main gear as you are doing by hand. With this setup, when you loose an engine in flight your tail drive will slowly stop while the inertia will still keep your main blades spinning. It is very possible to auto a non driven tail but when you have a flame out in flight you just have to get it to the ground a little quicker.

Hope this helps!

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04-02-2005 10:22 PM  13 years agoPost 4
pploco

rrApprentice

Cedar City, Utah - USA

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I'm an idiot. I have been comparing my setup to my brother-in-laws. His is a newer heli with a driven tail. Is it possible to upgrade my heli to a driven tail?

I appreciate the help - this site is so great!

flying ..... work .... sleep (pick any two)

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04-02-2005 10:28 PM  13 years agoPost 5
Diego

rrApprentice

Oviedo or Cartagena, Spain

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yes,

there are a couple driven tail conversion kits for raptors in the market.

diego

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04-02-2005 10:53 PM  13 years agoPost 6
pploco

rrApprentice

Cedar City, Utah - USA

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Any links? I'm not able to find one.

flying ..... work .... sleep (pick any two)

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HelicopterMain Discussion › Main shaft and tail question
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