>My winch battery died yesterday after only 1.5 years of medium use. I am
>unsure of what I should replace it with. I am launching open
> class/F3B/F3J type planes off a Rahm winch. I also don't want to have to pay
> doctor bills
> I have in the past replaced my batteries every two years.� You
> will get more life if you choose a deep cycle battery.� This is probably
> because we tend to abuse our batteries in use..... we launch until they go almost
>flat
> and they will then never come up to full capacity again.
The quick discharge, frequent replacement, and large bills for hernia operations
when you try to use huge batteries are symptomatic of oversized winch drums.
The excess current draw, extreemly low efficiency, burnout of motors, and
need for gigantic batteries can be alleviated by going to a smaller drum.
John Hazel
can be alleviated
The Liftroll.xls download area is: http://homepage.av.com/johnhazel/downloads.html
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