Re: [PSUBS-MAILIST] hatch locking / dogging arrangements

["Jens Laland" <laland@artematrix.org>]

Sean

I just took these pictures last week in Kiel, onboard U-995:

http://traktoria.org/sub/images/hatches/IMG_0107.jpg
http://traktoria.org/sub/images/hatches/IMG_0115.jpg
http://traktoria.org/sub/images/hatches/IMG_0116.jpg
http://traktoria.org/sub/images/hatches/IMG_0117.jpg
http://traktoria.org/sub/images/hatches/IMG_0118.jpg
http://traktoria.org/sub/images/hatches/IMG_0119.jpg
http://traktoria.org/sub/images/hatches/IMG_0181.jpg
http://traktoria.org/sub/images/hatches/IMG_0182.jpg
http://traktoria.org/sub/images/hatches/IMG_0183.jpg
http://traktoria.org/sub/images/hatches/IMG_0184.jpg
http://traktoria.org/sub/images/hatches/IMG_0185.jpg
http://traktoria.org/sub/images/hatches/IMG_0186.jpg
http://traktoria.org/sub/images/hatches/IMG_0199.jpg
http://traktoria.org/sub/images/hatches/IMG_0200.jpg
http://traktoria.org/sub/images/hatches/IMG_0201.jpg
http://traktoria.org/sub/images/hatches/IMG_0202.jpg
http://traktoria.org/sub/images/hatches/IMG_0203.jpg
http://traktoria.org/sub/images/hatches/IMG_0204.jpg
http://traktoria.org/sub/images/hatches/IMG_0210.jpg
http://traktoria.org/sub/images/hatches/IMG_0211.jpg
http://traktoria.org/sub/images/hatches/IMG_0212.jpg
http://traktoria.org/sub/images/hatches/IMG_0213.jpg
http://traktoria.org/sub/images/hatches/IMG_0214.jpg
http://traktoria.org/sub/images/hatches/IMG_0352.jpg

the last image shows a better detail of the twist locking gear mechanism
from a torpedo hatch onboard the old, decommisioned norwegian sub
"Utstein" (that picture was taken yesterday).

best regards,
Jens

** Does anyone have good resources (i.e. drawings or close-up photos) for
** hatch
** dogging arrangements?  I am familiar with the manual dogs or multiple dog
** with handwheel type arrangements depicted in most of the PSub photos.  I
** would like to learn more about the locking ring / tapered lug arrangements
** used in larger vehicles, and also the sealing arrangements typically
** employed
** in handwheel shafts that run through hatches.
**
** -Sean





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