Hummmm .... where to actually start this thread?
Perhaps a link to the original thread of my epic trip to go pick it up, as seen here:
https://www.officeofsteamforum.com/general-discussion/12-hp-g-sipp-in-the-bag/So, as the tale just linked makes clear, I risked life & limb, and possibly some sanity as well, to go get this big brute, and even though it was an impressive bargain, there are reasons that might help explain just why that was the case.
I have now taken it down far enough to have a pretty good idea as to what issues are at play here, and although none are wholly irredeemable, there are several that suggest that this will never be a first class engine, unless totally rebuilt to a standard that would be difficult to achieve given the material at hand. I believe somewhere I made reference to this engine as being a case of buying "a pig in a poke", and as it turns out, that was a rather prescient observation.
Yes, the seller showed a video of this engine running on air. But, it ran poorly, jerkily and I sensed it was requiring very high air pressure to accomplish that, thus I really didn't like what I saw then, so was some suspicious right from the git go, and those suspicions have now proven correct.
Still, I think having it in my collection now is good, and I do believe I'll be able to make it run reasonably well, even if not superlative. Yet it will never be a prime example of the type or anything like it, no matter what I do to give it the help it definitely needs.
But, at the end of the day, it was one hell of a bargain generally, and it does look very well beside its little brother the 1/4 hp Sipp, so I'll do what I can for it, and settle for whatever I actually end up with here.
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I'll add photos & descriptions of what I have found at issue with this engine in following posts.