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Other › Building the main head perfectly balanced​(actually, any main head)
12-23-2008 10:33 AM  8 years agoPost 1
Goose(is dead...)

rrApprentice

UK

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Hi,

I thought I might share a building technique that works really well for me. No doubt there are others’ but I used it on the Rave so I thought I’d throw it up for a look.\

Chen Z said he invented it but he is a LIAR !!!!!!! (Bad luck Chen…)

I know there’s a million ways to do the same thing. This is the way for me!

1. As per instructions set servo’s and pushrods to a ‘clean’ 90 degrees,
2. Then set conservative throws / rates for cyclic and collective
3. Start with the main shaft alone and spool it up to confirm it’s in alignment
4. And from here, just add the elements piece by piece. If there are elements that cause a vibration you will know exactly which piece and can therefore rectify
5. This vid is a bit poor in quality – apologies – but it shows the Rave head fully built without the main blades spinning nicely, the paddles are tracking well and the servo’s (mini digi Hyperions ($25USD each) ) are easily rolling the cyclic about.

Hi,

I thought I might share a building technique that works really well for me. No doubt there are others’ but I used it on the Rave so I thought I’d throw it up for a look.\

Chen Z said he invented it but he is a LIAR !!!!!!! (Bad luck Chen…)

I know there’s a million ways to do the same thing. This is the way for me!

1. As per instructions set servo’s and pushrods to a ‘clean’ 90 degrees,
2. Then set conservative throws / rates for cyclic and collective
3. Start with the main shaft alone and spool it up to confirm it’s in alignment
4. And from here, just add the elements piece by piece. If there are elements that cause a vibration you will know exactly which piece and can therefore rectify
5. This vid is a bit poor in quality – apologies – but it shows the Rave head fully built without the main blades spinning nicely, the paddles are tracking well and the servo’s (mini digi Hyperions ($25USD each) ) are easily rolling the cyclic about.

Sorry about the vid quality (You tube) but you get the idea. Of course sometimes you hit a few bumps but it’s pretty reliable.

Hi,

I thought I might share a building technique that works really well for me. No doubt there are others’ but I used it on the Rave so I thought I’d throw it up for a look.\

Chen Z said he invented it but he is a LIAR !!!!!!! (Bad luck Chen…)

I know there’s a million ways to do the same thing. This is the way for me!

1. As per instructions set servo’s and pushrods to a ‘clean’ 90 degrees,
2. Then set conservative throws / rates for cyclic and collective
3. Start with the main shaft alone and spool it up to confirm it’s in alignment
4. And from here, just add the elements piece by piece. If there are elements that cause a vibration you will know exactly which piece and can therefore rectify
5. This vid is a bit poor in quality – apologies – but it shows the Rave head fully built without the main blades spinning nicely, the paddles are tracking well and the servo’s (mini digi Hyperions ($25USD each) ) are easily rolling the cyclic about.
http://www.youtube.com/watch?v=XrTioZh7CO4

Sorry about the vid quality (You tube) but you get the idea. Of course sometimes you hit a few bumps but it’s pretty reliable.

- g

Vibe 90 & 50 WITH flybars (old skool), CY Rave, flying for many years, talent rating, absolute zero

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