Gallery, Projects and General > Project Logs
a nine cylinder radial engine, plans by "ageless engines"
Bernd:
--- Quote from: Bernd on January 20, 2010, 10:32:47 PM ---Obviously your not a radial xpert :lol: :lol: :lol: :lol: :lol: :lol:
Have fun
Stew
--- End quote ---
Ya, your right I'm sort of a square guy. Square head to by the way. :lol: :ddb: :ddb: :ddb: :ddb:
Bernd
madjackghengis:
:beer: I have to say thanks for all the kind words regarding my engine, my thoughts on experts, and the cameraderie that I have found on this forum, it has been far more than I anticipated, and it makes this forum a great thing. I had to take my big red dog to the vet yesterday to have a lump excised from his chest, so I didn't get much done except cutting off eleven cylinder blanks and facing off both ends of about half of them. Gandalf, my best friend, is doing fine, a fatty lump and no sign of anything bad, but he is now aquiring scars with stitch marks, so maybe he'll be up for a tattoo soon. Today should yield some cylinders ready for honing and lapping if all goes well. After that I think I will be tackling the crankshaft and the master rod. Pictures are forthcoming.
Thanks again,
mad jack :mmr:
madjackghengis:
:clap: With my dog happy minus the lump on his chest, and laying content on his bed in the shop, I've cut eleven cylinder blanks out of one and three quarters diameter 12L14, free cutting leaded cold rolled mild steel, and will start turning them into cylinders today, and seeing how long it takes to accomplish this on eleven of the buggers.
Shown is the front main bearing for the crank, with a circular shoulder for the cam to ride on when it is in place, and a bearing hole near the bottom for the inner end of the jackshaft driving the cam.
A picture of the crankcase with cylinder studs installed, front bearing installed but not visible, and the front cover and bearing retainer in place, just to see how it looks at this stage.
A picture of the drawing of the finished cylinder.
Brass_Machine:
Just noticed this build thread! 2 of my favorite things in on place... a radial and a v-twin. Nice work!
Now lets see a thread on the bike... looks like you are building your frame?
Eric
madjackghengis:
Hi Eric, and all following this,
There will be a thread specifically on the v twin engine build, as well as on the frame and eventually bike build, if that is considered of interest by those others posting. My whole life was changed the first time I ever heard a radial engine, and this build is about finally, after almost fifty years, working to own one to hear any time I want, and of course to power something, an engine is really no good if it doesn't make something move, is it? Even if it is just the heart.
The first cylinder blank went right into the scrap bucket, just a niggling little detail, that last cut which wiped out a hundred thousandths of the cylinder flange diameter, making it too small for all the studs. The second with all its fins cut, rough 15/16ths hole drilled, ready to turn around in the chuck and get the base and spigot machined, and lapping to the full diameter of 1.000, when all eleven are ready for the lap.
The first one always provides insight into how to establish a routine that will efficiently finish the other ten, and they should be done a a few days and I can start on heads. I've got to grind two very thin cut off tools for the fins of the heads, I just can't get myself to make all the tools before working on parts of an engine, it might be right, it might be faster, but I just have to see parts come to life. Hopefully I've got enough odds and ends in my aluminum scrap to account for eleven head blanks of sufficient size. I'm looking forward to getting to work on them.
Mad Jack :headbang:
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