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Discussion of diving methods and equipment available prior to the development of BCDs beyond the horse collar. This forum is dedicated to the pre-1970 diving.
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treasureman
Master Diver
Posts: 412
Joined: Thu Aug 04, 2005 12:53 pm
Location: Ottawa Canada
Contact: Website

Royal workout

Mon Jul 10, 2006 9:24 pm

I was out at the camp where i volunteer a few days a year, and the work order was to movbe several large rocks which were in the path of the diving platform.

To efect this project, a rather large diaprhagm pump was brought in with an eight inch suction pipe.

well the bottom was hard pack sand, the rock was about four feet tall, and three wide not including bulk under the sand.

Once this suk-o-lux was fired up, I went down and started to dig a big dee hole where the rock could be pushed into and hence remove its bulk.

what a wild ride. I was using my DAAM that was converted to a RAM, along with my twins both my 50's and 72's.

well hold on to your hats. trying to work that hose was one mother of a fight, I wrapped my legs around the hose, and huing on to the nozzle and kept plunging it into the sand, where it would immediately sttart to dig itself deeper. had to pull it out each time. After 40 minutes of this, my twin 50's went on reserve, I lkasted another five minutes and went up to get my twin 72, and came back down.

This was one tiring piece of work, but thats the way they wanted it done. Got the hole done, and most of teh rock undermined and readsy to topple in.

Attacked a long chain around rock, hooked up to 200 hp boat, and gave it a gentle tug which broke suction and she fell into place, but the jerk driving the boat was still trying to go forward while the rock was going downard about four and a half feet. The transon of the boat ... well its in two pieces now cause the driver didnt listen.

Almost had a salvage job to do for the motorl.

My DAAM converted to RAM worked flawlessly, and it didnt suck. It was all original HP seat etc and did real good. Wonder if it would have made a difference if it was conshelf HP seat and guts?

Any thought on this last part
NAVED # 133...

Bon Vivant, and treasure finder

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luis
VDH Moderator
Posts: 1751
Joined: Thu Jun 30, 2005 9:28 pm
First Name: Luis
Location: Maine

Mon Jul 10, 2006 10:52 pm

If the first stage is holding a steady IP the old seat is OK. The only problem with the old seats is that they were very prone to leaking.

I actually converted my round label RAM into a DAAM back in the 70’s because I got tired of dealing with the hard rubber seats of that time. I replaced the first stage back to a RAM last year with the new Conshelf internal parts and it works great. It is a huge improvement in reliability (no leaks, hold constant pressure for hours).
Luis

Buceador con escafandra autónoma clásica.

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treasureman
Master Diver
Posts: 412
Joined: Thu Aug 04, 2005 12:53 pm
Location: Ottawa Canada
Contact: Website

Tue Jul 11, 2006 8:08 am

I had resurfaced the seat during the winter , the IP held fast at 135, and it was a pleasure to use. I felt like Mike Nelson digging buried treasure... and that is what makes vintage diving so nice.

Only problem was the super hot wetsuit. I boiled even with the zippers almost wide open. But what the hey... I was riding the bucking bronco hose, and having a whale of a time while I was at it
NAVED # 133...

Bon Vivant, and treasure finder

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