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I have one about 75 percent complete had problems with the cam mechanism and have not looked at it for several years. Probably never get back to it. bob

Here is a link to Kellys show https://www.sasktoday.ca/south/local-news/north-americas-oldest-model-engineering-show-is-returning-to-estevan-5940732

Just to confirm. You bought the internal gear, right? Bob

He authored a series on building Gnome in ME in 2002. Just wondering if he is still active and if so anyone have his contact info. Thanks Bob

Anybody building one or has completed? Bob

Hi Marty: They are all threaded 3/8 coarse. I do not have a 1/4. Shipping $15 Bob

Just wondering how you made the internal gear? I do not need one just curious. Bob

5 used collets 3/16,5/16/3/8,7/16 and 1/2" $US40 plus shipping

The Cave Cobra is still available $135 Google it it will take you to the website. So I guess you could ask $75??? Bob

Blackmore plans spec prop at 23 3/8 so I guess your guess is right

Building that engine is difficult even for an experienced machinist with a well tooled shop. Selecting a milling machine will be the least of your problems. Set your sights much lower and start with a project that you may be able to finish.

Couple of pictures of a "real" Gypsy head

Couple attempts at rocker arm supports. First thought I would try lost wax. Made silicone mold and cast the wax. Worked ok but I had trouble making the plaster mold, tried couple times but could never get it to fill properly. The silicone mold will stand low melt alloy and makes a pretty nice...

I had some time and the material so did this one. Not as pretty as the others but an interesting project. I had thin wall tubing that was close to required size so it saved a bunch of boring and reaming. Nice project thanks for posting the plan Bob

Had a look at the HPC website gear pricing seems really good. I have all the gears I need but paid a lot more than what it would cost from them. Bob

I have a peiece of bass plate that would work sent you a private message about it

This is how I did it. Drill and tap the three holes with center hole at x0y0. Rotate the block 90 degrees y stays at zero, set x0 at the base move y to y.495 and x to .687 these are the dimensions in the drawing. Picture shows where the hole would be and it just does not look right. I think it...

Trial fit of rocker arms. I had a lot of trouble finishing the supports, the castings are almost impossible to hold so it is difficult to get them right. I ruined a bunch so I made some replacement castings. If anyone is interested will post some pictures of the process. Time well wasted!! Bob

I have been working on my Gypsy on and off for awhile. Would it be ok to post some experience and pictures here or should I start a new thread? Bob

This kit was originally sold years ago by a guy in Ontario when he died or retired the patterns went to another fellow but as far as I know he could not find a foundary to do the castings so the whole thing died. I leant my plans to a friend of mine he returned them but there are two missing...