2.5 cwt is about the load that a packhorse could carry, and so is
presumably based on the strength of the horse to lift. What would the
weight of 200 foot of rope be?
Peter King
49, Stourbridge Rd,
Hagley,
Stourbridge,
West Midlands
DY9 0QS
01562-720368
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----- Original Message -----
From: "Bernard Moore" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Monday, October 20, 2008 10:32 AM
Subject: Re: Limitations of the Horse whim
> Dear Phil,
>
> Fearing that I might over write what might already have been said, and
> stating what already might already be known, the only thing that would
limit the
> use of horse whims is the weight/size of the rope. The 2.5 cwt load may
indeed
> remain a constant, but the rope weight would of course increase
> significantly with depth - in diminishing diameter/circumference to any
final depth.
> Speed and the number of horses required is therefore variable since at
certain
> operating depths there might be 1 to 4 tons (+/-), of rope to haul as
well as
> the load, but within 200 feet or so from surface the weight is 'straight
> forward'. I suppose it is possible that considerable depths would be
possible, but
> the varying number of horses required, the large drum diameter and the
> gearing required for greater depths, would make the raising speeds and
gnrl.
> operation impractical just for 2.5 cwt. - mind you, if there was no other
> option......
>
> It would be interesting to know where the greatest depth ever achieved
with
> a horse whim might be - probably overseas.
>
> Regards, Bernard
>
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