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[PSUBS-MAILIST] Vindicator hatch



Hi,
       Looking a Gary Boucher's sub "Vindicator",  it looks like it has a stainless hatch and that the hatch seat is also stainless.   The stainless hatch seat looks very thick , like maybe 2" thick, and it looks like it is bolted to a flange coming up from the lower conning tower.  
 
 http://www.psubs.org/psub_pic/gary_pic.html
 
Looks like this could be a good way to attach a hatch since the hatch seat could be machined first and then bolted to the flange. 
 
Regards
 
Brian