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Bring up the image on the computer screen and copy the computer's link to the photo which appears in the address header. Bring up a message window on SB and click on the "advanced" button. Go to "manage attachments" and bring up this window. Paste the link from your computer into the appropriate...

OK, I think I understand the question now. There is no such thing as a spearfishing BC. However, an open front design does make it easier to control the gun while loading and stringing due to better visibility in the down direction. Also, the wet suit takes the load instead of the BC...

Wine and cheese forum? BWAH HAH HAH HAH. Good one, Captain. The thing is that these critics have no standing here, no credentials or credibility. I guess a comparable situation would be if I were to invade the photography room and start spouting off about Steve's crappy photography and allege...

Many of the regular jackets would work. I don't know about back inflates; but any of these are pretty bulky and not a good choice for free diving. Many freedivers do not use vests; however, vests can be very useful. For example, a CO2 inflated vest can support the diver on the surface while...

CO2 cartridges are available in various weights and thread sizes at Boaters World. As was stated, most are 3/8 neck regardless of weight. However, if you have a SAR or UDT military (SEAL) vest the cartridges are a special 25 gram size, eg, they have large, 5/8 necks or 7/16 necks and may be...

I've seen Tornado compressor ads in Skin Diver magazines from the 1960's. There was a small company called Hyper-Air Engineering in Torrance, CA which offered the Tornado and Hurricane packages.

There are some antique valves which are threaded 1/2 NPS. These would have been sold by Sportsways and White Stag. However, the actual thread must be verified before shopping...

The pressure unloader valve is operated by oil pressure. This is an adaptation for military applications and can be dispensed with without affecting the compressor. However, if the after-cooler tube is designed to fit this arrangement only then you might want to keep the original setup. One...

Steve, I can understand the she-males and fruit-loops hanging around the "incident" thread but what are you all doing here....provocation, propaganda?

Just do the SOP stuff in the manual. You did not say what your compressor is exactly or what motor is included so I don't have much to offer. The Utilus 1 and 2 have an installed oil pump and regulator so fit an oil press gauge and check all fittings and drains for leaks.

A year ago, at Scubatoys, Ray said that the Olmeva was "basically a Coltri". I don't see it. A few pieces may have been borrowed according to Windyair. That happens a lot. I mean, Alkin borrowed stuff when designing their small compressor. Aerosub says that their compact 6 compressor is based on...

The Olmeva is not a Coltri Sub. BONANNI ENTERPRISE, 107 NORTH 11TH STREET, PO DRAWER 3208, TAMPA, FL 33601 - PHONE: (813)229-6411 Sole distributor for AERO SUB compressor in US.

There is no change. Local gas suppiers are independant actors. Individually, they set rules, sell to whom and at what price they choose. They appear to hold to the view that they are "pros" and everybody else is a sucker or a potential hazard or lawsuit waiting to happen. They misinterpret rules...

I see no need to revisit this topic or define "pure" beyond what is obvious lest it become an Abbot and Costello act, "Who's on First?" Here is some reading material. BTW, I use welding oxygen. Applications Detail

I seem to recall that Northill installed a mouthpiece with shutoff valve. A Northill manual might have a diagram. I'll look into it sometime.

Back in the early 70's I remember that those Waterlung regulators were highly regarded. Sometimes, the second stage needed adjustment and this was done turning a nut which provides tension on the demand lever. It is a time tested design and I agree with Luis, it might be serviceable. However...

Yes, true. When the states dropped "fair trade" laws due to a Supreme Court decision Scubapro did not wait long to inform dealers that as far as they were concerned nothing had changed. During the 70's I attended a function in NYC in which Dick Bonin and Richardson's (dive discounter) entered...

Freedom is great, so they say. Wallstreet loved it but now that the party is over the rats are stuffing cash in their briefcases and heading to countries with no extradition. Well, Bernie Madoff was a little slow off the mark but his wife skimmed 32 millions before she ran. I wonder if...

Force Fins will always be the choice for a small minority and will always be a small production item. This latter point has to do with the constantly changing styles and low volume which don't mitigate in favor of setting up a large production line. As a result, the new age messenger is...

If you see oils identified as "455, 201, 501, 751, 800 they originate from Ultrachem, an independent oil company which has a solid market selling compressor oils of various types. Chemlube 800 is a fairly new offering identified chemically as a triester of SAE 40 viscosity. I believe that Bauer...