[T3] A new T-34 owner?

[Dave Hall]

I'm sure they are, but presumably no more than the wearer experiences, since
the wearer is the one exerting the force on the mountings, due to their
momentum?  I wonder what force a human body can survive.  I think I read 20g
deceleration was quite normal in a collision, which would require a pretty
substantial force (250lb x 20 = 5000 lbf?  That matches your figures quite
well, Jim.   I normally work in newtons, so I hope I've not made a silly
error).

I've never needed a seat belt ..... Yet!  I still buckle up each time,
though.


Dave.
UK VW Type 3&4 Club
===================

-----Original Message-----
From: type3-vwtype3.org-bounces at lists.vwtype3.org
[mailto:type3-vwtype3.org-bounces at lists.vwtype3.org] On Behalf Of
jadney at vwtype3.org
Sent: 29 June 2011 16:48
To: type3 at vwtype3.org
Subject: Re: [T3] A new T-34 owner?

> When you think how much force would be needed to rip a chunk of 
> floorpan out, you've got to realise what the belt will be doing to 
> you!  Even the 2"
> square 1/8" thick backing plates that I've seen supplied would be 
> strong enough for the job.

I read an article long ago (mid to early 60s) about some tests with
different strength seat belts. Things have certainly changed since then, but
I remember that in a real world accident a 5000 lb rated seat belt failed,
but a 10,000 lb belt in the same car saved its wearer.

I think the forces on the belt anchors can be extremely high.


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