Subject:
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Re: Helicopter
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Newsgroups:
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lugnet.technic
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Date:
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Wed, 2 Feb 2005 23:04:49 GMT
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Viewed:
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11441 times
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In lugnet.announce.moc, Pierrick Puchois wrote:
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Just a few words from a newbie annoucing his first MOC : a (yellow) Technic
Helicopter.
As I said on MOCpages, I had left my
Legos from ten years now, and thanks to my kids, who are now asking me to
play LEGO back, I have retrieved old Lego parts from grand’ma house, and
decided to build something from my own creation.
I initially found RoscoHead Helicopter, which was really a big surprise to me, since I could
not imagine doing so complex control with LEGO !
Cyclic and collective control of the blades is achieved with joysticks and
central lever (uses flex system also) ; pedals control tail rotor pitch ;
pneumatics for landing gears.
Additional pictures Here
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Hi Pierrick, that’s nice work! And I’m glad I could provide a little
inspiration. The weird thing is, that helicopter was the first MOC I built after
my dark age too!
I like how you control the swash plate (turntable) from below - the probably
reduces the width a fair bit. And using the new turntable is much neater too. I
have thought about trying to use these parts:
  
But I think the major problem would be controlling the collective, because the 8
tooth ball actually slides on the axle, increasing the friction. Maybe that can
be overcome though. It would certainly result in a much smaller diameter
assembly.
LEGO actually produced at least 3 helicopters using those parts, but none had a
cyclic control, they just tilted the whole rotor assembly:
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8856 Whirlwind Rescue
507 elements, 0 figures, 1992
LEGO > TECHNIC > {}
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Thanks for the pics!
ROSCO
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Message has 1 Reply:
 | | Re: Helicopter
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| Hi Ross and many thanks for your support ! I also thought about using specific Technic "swashplate", but I concluded as you did : collective control could'nt be achieved because of friction. So keeping the large technic turntable was the best way... (...) (20 years ago, 3-Feb-05, to lugnet.technic, FTX)
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Message is in Reply To:
| | Helicopter
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| Just a few words from a newbie annoucing his first MOC : a (yellow) Technic Helicopter. As I said on (URL) MOCpages>, I had left my Legos from ten years now, and thanks to my kids, who are now asking me to play LEGO back, I have retrieved old Lego (...) (20 years ago, 2-Feb-05, to lugnet.technic, lugnet.announce.moc, FTX) !!
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