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Loads on gun rubbers

Thread Status: Hello , There was no answer in this thread for more than 60 days.
It can take a long time to get an up-to-date response or contact with relevant users.

Decca

New Member
Feb 17, 2005
35
1
0
Does anyone have an idea of the loads you put on a rubber when loading the gun? From some of the information I've seen on the net in several places (probably copied from the same source), the loads quoted were:

9/16 in (14 mm) 80 pounds force = 359 N or 36.3 kg
5/8 in (16 mm) 100 pounds force = 445 N or 45.34 kg

This was the total load on the rubber ie. both sides.

I once measure the mass required to load my gun and worked it out as 70 kg. The numbers quoted above seem a bit on the light side.

Ideally I'd like to get the values for the 14, 16, and 19 mm rubbers. Seems to me that the main thing that determines the load is the spearo, especially if the rubber length is adjustable.
 
go to spearboard.com and using the search option type in band power
good stuff there..
 
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