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Great looking machine! I doubt the tank is any good anymore because of its advanced age (by the style of the machine I'd guess probably from the late 40s or early 50s), but that CH pump is gorgeous and obviously of high quality from the shape of the head :)

REALLY NICE MACHINE!!! Sorry I've been sick and after getting back on my feet had to get back to work again... Busier for me than usual for this part of year... I'll check your posts and see if I can add anything that hasn't been answered by someone else yet when things calm down possibly this...

No, if you're a Diesel Freak (I am too), that's NORMAL :D. Are you a Diesel Landcruiser Afficionado by any chance? Your nickname is familiar ;) Every pump has a minimum and maximum speed - if it's cast iron it probably won't like going above 800RPM or so from its size, it's got to do with...

tinypic.com is not bad... Simple and not too aggravating to use like most of them are with all their restrictions and conditions.

DON'T downsize pictures... Forum software will make the thumbnails and will , IIRC, downsize anything too large. You can also use a picture hosting service that way the picture will appears at the size you upload it at. In this day and age, with the absolute ton of crud that comes in on every...

Sorry!!! I didn't see that at all!!! Thank you so much !!!:thumbup::thumbup::thumbup::thumbup:

Thanks for getting back! Indeed the picture shows as a small thumbnail on your post - I simply couldn't access the page myself (I didn't try a proxy though) so it would seem it's the knowledge police at work, which is absurd considering patents are PUBLIC DOCUMENTS and in this case, it had...

You mean the Hartmann 1916 Patent? I looked at US3109444A in which that patent number was referenced as prior art but, could not find the actual Hartmann Patent drawing itself... I've tried the Us Patent Office but get all kinds of errors trying to view the pages for this patent. It seems they...

They look fabulous! I'm not sure you could call them 'smaller sisters', they seem fairly large! And the pump seems sturdier as well, larger bore, air filter inlet, riveted name plate... Mine has none of these industrial grade features! And with an oxygen tank pressure vessel I'm sure they could...

I remember... Saw it last time you posted it. Thought you had done something with it long ago! What exactly are you looking for in terms of advice, don't you want to keep it?

I was thinking using a coil placed like a car spring so it would drain naturally... but an aftermarket oil cooler should work if it can drain itself by gravity... How are they configured internally, like a small car rad with parallel rubes running from top to bottom?

Some more pictures showing the internals Here's the crankshaft, quite a beauty with its bronze bushings :-) Pistons are easily inserted thanks to the flare at the bottom of the cylinder walls, no ring compressor needed :-) End bushings are held by set screws, not visible on the pictures...

That cooling coil is way cool, Man! :thumbup: I've been trying to devise a cooler for my Sears 2 cylinder compressor to reduce moisture but one of the problems with coolers is that it reduces compressor efficiency, and you need to devise a drain system at the end of your cooler before its gets...

Once the head was off I made some measurements and made some calculations: - Stroke order 1-2-4-3 stroke, 1 fill and 1 compression per stroke (like a 2 cycle gas engine) - Piston Diameter D: 1.370 inches - Piston Stroke S: 1.690 inches - Displacement V: ((D/2)^2)*PI*S*4 = 9.97 CuIn - CFM...

Some pictures... Pump Side view with Oil Filler and Drain Plug Cylinder Block showing Pistons I noticed the Breather Tube that comes out at a slant from the Cylinder Block seems brazed shut, any ideas why? Also all cylinders appear to be in perfect condition, except perhaps #4...

Thanks, Man :D I found it awesome too, these 4 cylinders, and the motor is amazing in its own right :) I've started to clean out the valves, from the action they're obviously discs with a spring underneath, so they should last longer than any reed valves... When I get them unstuck ;) ... At...

To follow up on my score (it was just 30 loonies and the seller met me halfway as it was in a small town far away - that would correspond to about USD15 in your market), in case someone here knows anything about these, I have a couple of questions: 1) How is the pressure controlled and...

I FOUND IT!!! It's a "Pressure Queen Air Compressor" :-D And to prove it, an ad from Popular Mechanics from 1947 :-)

Thanks for the tip, the air gauge was busted but it was setup to go up to 30PSI, so presumably it was for supplying at low pressure like I suppose would be suplied in these suits depending how deep they would go... 30PSI would sustain 60 feet underwater pressure if my math is correct... In nay...

Hey guys, I just got this old machine for a pittance, was quite intringued by its configuration, it's 4 cylinder, powered by a Leland Electric 3/4HP motor, no tank... Couldn't find any other markings under the many coats of paint. Wondered if that rang a bell with anyone...