[SML] Spreader plates

[Richard John Archer]

and Uncle Bill sells retro spreader plates so you don’t have to pull the arbor apart  to install additional plates.


> On Apr 30, 2018, at 4:02 PM, Bill Sapsis via Stagecraft <stagecraft at theatrical.net> wrote:
> 
> Bill
> 
> The other function of a spreader plate is to keep the arbor rods from bending in the event of an out of balance (runaway) accident.  While its highly unlikely they'll ever have a runaway with a shell piece, and they would probably have much more significant problems if they do have a runaway, placing the plates in their proper location is always a good idea.
> 
> Pulling the weights, while arduous and time consuming, isn't that big a deal.
> 
> Thanks
> 
> Bill S
> 
> bill at sapsis-rigging.com
> http://sapsis-rigging.com
> +1.267.278.4561 mobile 
> 
> 
> On 4/30/18, 3:40 PM, "Stagecraft on behalf of Bill Conner via Stagecraft" <stagecraft-bounces at theatrical.net on behalf of stagecraft at theatrical.net> wrote:
> 
>    In process of inspecting 20+ year old rigging system. There are
>    spreader plates for one every 5' basically, not unusual for the time
>    but deficient based on today's standards and "best practice" of one
>    every 2'. Easy enough to add on most sets but the shell sets are in
>    the 4000-5000 pound range, and of course weights never removed. Since
>    the spreader plates generally are to keep the weights on the arbor in
>    the case of a runaway, does it matter on a lineset where the weight
>    never changes? Is it really worth deading off the load, and unloading
>    and reloading thousands of pounds of weights?
> 
>    -- 
>    Bill Conner FASTC
> 
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