Block and tackle balances

Quick Learner from USA
Attached is a couple pictures of some block and tackle balances I am in need of. Is this something you can help me with? Please let me know, thanks! ?
2 user uploaded images
6 Replies
Tom
Tom from SWISCO
SWISCO
Expert

We can, yes! What you have here is an old, discontinued crossbow balance. These aren't made anymore but we sell more modern channel balances that can be used as a substitute.

Before I go any further, I should tell you to first check the diameter of the spring. If it is 1/2" then you can use our Series 795. We have a detailed tutorial video that shows you exactly how our product can be used to replace these old 1/2" crossbow balances. I highly recommend watching it.

If your springs are smaller than 1/2", we can still help. Just let me know.

Quick Learner from USA
Terrific, it looks like the springs are bigger than 1/2" so we should be ok, how do i measure the length of the old ones? do I include the bottom shoe part?
Tom
Tom from SWISCO
SWISCO
Expert

Yes, you want to measure from the top nylon cap to the bottom of the shoe. You definitely want to measure an undamaged balance.

Quick Learner from USA
These are all that I have, can I measure for them with what I have?
Tom
Tom from SWISCO
SWISCO
Expert

That will be very difficult. Once these balances break, they come all undone and you won't really be able to get it back to its original length. In this situation all you can do is measure it as carefully as you can and use your best judgement. 

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