Subject:
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Rotary Engine Help
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Newsgroups:
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lugnet.build.military
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Date:
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Thu, 1 Nov 2001 07:46:50 GMT
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Viewed:
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256 times
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One of the weaker spots in my PB4Y-2 model is the engines. They are very
basic. I'd like some advice on how I can make more realistic engines.
The real plane has four radial engines, with air scoops above and below, for an
elliptical shape. I modeled this using simple 45 degree slopes and inverse
slopes with simple bricks between, with a Technic 1x2 to mount the propeller.
I don't know much about how radial engines work - at the BayLUG meeting, Mark
Benz gave me four Technic gears (the kind with 24 bent teeth, for meshing at
right angles with other gears) and told me to put them on the propeller shaft.
He said that it would represent the way the entire engine turned with the
propeller. What I think I need is a brief lesson in how radial engines work -
I have a good understanding of the engines used in cars, and always assumed
that radial engines were the same, but instead of inline or V, the cylinders
were clustered in a circle around the shaft. Apparently there's more to it
than that.
Anybody done a radial engine in Lego want to contribute ideas? The engines are
about 4 studs wide, though I could maybe stretch that to 5. Currently they are
4 bricks and a plate tall.
For pictures of my PB4Y-2 model, see:
http://www.wards.net/~bill/lego/air/pb4y-2/
For pictures of the real thing, see:
http://www.navylib.com/
Thanks in advance for your help!
--Bill.
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Message has 2 Replies:
 | | Re: Rotary Engine Help
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| (...) Bill, In a radial engine, the cylinders are just arranged in a circle around the crankshaft, and the propellor is either attached directly to the crankshaft, or attached via a gearbox. I think most WWII radial engined airplanes had the (...) (23 years ago, 1-Nov-01, to lugnet.build.military)
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