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Ronald,
I am not aware of any multi-drum winches in
Australia. However, there are some in Britain (up to 6 drums) and
commercially built.
Regards,
Roger Browne
----- Original Message -----
Sent: Tuesday, March 23, 2004 5:04
PM
Subject: [Aus-soaring] Going beyond 2
Drums
G'Day,
Are there any clubs in Australia using a winch which
has more than 2 drums?
How is the drum
selection mechanism designed?
(Are
there any pilots who have driven a 'busio' style winch? How is each drum
isolated/selected?)
The Colorado
Soaring Assoc. has a brilliant PDF (see the link below) which discusses in
detail, the requirements for building a fantastic gliding winch (6 drums). In
this document there is a section entitled "Drum(s), Dog Clutches and Retrieve
Brakes".
Can anybody think of (or
refer me to an example of) the dog type clutches that the author
refers?
I believe that the idea of
running multiple drums from a single 'master drive shaft' is a great one, but
I can't think of or find a real life example of how to build the drums (clutch
inside the hub or external...)
http://www.soarcsa.org/pdf/winch_proposal.pdf
Ronald Marks
Northern Australian GC.
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