[T3] A new T-34 owner?

jaransont3 at comcast.net jaransont3 at comcast.net
Sun Jul 3 06:55:21 PDT 2011

----- Original Message -----
From: "Jim Adney" <jadney at vwtype3.org> 
To: type3 at vwtype3.org 
Sent: Sunday, July 3, 2011 9:21:50 AM 
Subject: Re: [T3] A new T-34 owner? 

On 1 Jul 2011 at 15:19, jaransont3 at comcast.net wrote: 

> A 35mph front crash into a fixed object generates approximately a 25g 
> decceleration!  The number can be much higher at higher speeds, 
> depemnding on what you hit.  Federal Motor Vehicle Safety Standards 
> (FMVSS) require testing at 25g front impact, 20g rear impact and seat 
> belt pull testing at 16Kn (3500lbs) on both the lap and shoulder belts 
> simultaneously.  This means the outer fixed end of the belt sees about 
> 7000lbs of load in this quasi-static test. 

Don't you mean the INNER end here? 


Actually, both the inner and outer lower anchors see the same load (assuming the retractor and fixed end share a common anchor point) since both the shoulder and lap belts each act on those anchors. 


John Jaranson 

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