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also in Tillet in Netherlands have 4 or 6 drum
winch I seem to remember, Ian McPhee
----- Original Message -----
Sent: Tuesday, March 23, 2004 9:16
PM
Subject: Re: [Aus-soaring] Going beyond 2
Drums
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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