I must agree with Brian. My first winch used a two inch diameter
welded aluminum drum on a standard 12 volt Ford starter motor with a
12 volt battery. The two inch drum didn't produce enough line speed
to break lines so easy and we used much smaller lines. We finally
switched to larger drums when contestants began complaining about
lack of power for good zooms. What they were really complaining
about was the lack of line speeds. Unfortunately, the man who
fabricated our drums is no longer with us and we never found another
fabricator who could produce good welds and the end plates frequently
broke. I still have the winch I built in 1972 with the welded
aluminum 2 inch drum. We took it out last year and did a few
launches and everybody was amazed at how much softer and smoother the
launches were when compared to our standard winches. Maybe we should
regulate the winch drum diameter.
Chuck Anderson
At 09:51 AM 12/21/2007, you wrote:
With all due respect I disagree Jeff.
At our local field when we launch to the north, it takes all the
line off the drum.. We get much softer, less powerful launches.. As
opposed to when we launch to the south we still have approximately
half the winch line left on the drum at the time of launch and the
launches are much more aggressive/powerful and all the broken lines
and broken models come at the south side.. Just My observations here
in Tullahoma.. Brian Smith
----- Original Message ----- From: "Jeff Steifel" <[EMAIL PROTECTED]>
To: "Charlie" <[EMAIL PROTECTED]>
Cc: <soaring@airage.com>
Sent: Friday, December 21, 2007 9:08 AM
Subject: Re: ***SPAMTAGPTD: [RCSE] Winch/Sharon
Charlie less drum diameter will lead to more line breaks. Since you
have more torque you can now crank more turns in and break the line
easier. -- Jeff Steifel
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