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a nine cylinder radial engine, plans by "ageless engines"

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madjackghengis:
Now, having gotten my lathe back together, all the swarf out and tools sharpened, the last cylinders are cut, total of eleven, nine for the count, and two in case of error, or breakage.  These will all be lapped on a "wrist pin honing machine" by a friend of mine, or I will make a hone myself, depending on his answer when I go to see him about it.  They are all three to four thousandths under the nominal one inch diameter just needing the final finish, for seating the rings, and hot blueing for finish and corrosion resistance.


Now I need to grind a couple of special tools for the fins of the heads, particularly the tool for the fins on the valve towers, as it is rather thin and delicate.  Once the heads are finished, each will be fitted to a cylinder and torqued on for a permanent fit, and then the cylinder stud holes will be located.  Only about eight hundred more parts to make, and it will be done.  With the cylinders slid in their places, the engine starts to look like a radial engine.  Mad Jack

Artie:
Man this is nice, very very nice. I also love the feeling of goose bumps I get whenever I hear a radial running... I read somewhere that a pilot once said that "real airplanes have radial engines!" I kinda agree in a nostalgic sort of way...

Alss I have seen quite a few 5 cylinder radial models and, to me, 5 cylinders just isnt 'busy' enough... its gotta be 7 (or even better) 9 cylinders to 'look' right.

Well done mate and keep it going, great build up (and recovery from those all too common 'adventures' if thats what a broken tap is....)

Cheers Artie

crankshafter:
Hi madjack.
Nice work and wrightup :thumbup: :clap:
CS

madjackghengis:
Thanks all for the encouragement, this is finally fulfilling a life-long dream, I too believe only a radial engine fits in an aircraft, and nine cylinders is what I've been wanting to build for more than forty years.  I anticipate the day I can put a video of a running engine on the end of the thread, smoke, smell and all.  This forum is almost as good as having you guys over to the shop for a cup of joe, and shooting the breeze for an evening of pleasure!  I'm glad "the boys" are from all around the world, and from many languages and cultures.  It shows our common mind that we all react to the same special skills and talents. :nrocks: mad jack

dsquire:
MadJack

I have been following along on your thread and like the way that this rotary is coming together. An aircraft with a radial engine has a definite different character about it that inline engines just don't have. There are also some very nice multi-cylinder inline engines on these forums.

I agree, it is great to have world wide participation in these forums and the skills and talents that the members bring to the table are amazing.

Keep up the good work Jack, I'll be watching as it comes together.  :ddb: :ddb:

Cheers  :beer:

Don

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