Hey - did you know if you click on the title of a thread it will take you to the first unread post since you last visited that thread?
but were afraid to ask: 
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Pretty Please - add it to our Events forum(s) and add to the calendar! >> 
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I'm sure some of you have seen these, but for those of you who haven't, their pretty interesting. I still get a kick out of watching them, PJ
https://www.animatedengines.com/
https://www.animatedengines.com/
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Animated Engines
- Thread starter PAUL161
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martx-5
Yoda
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The Gnome rotary they showed was hard to see exactly how everything worked. They should have showed a radial engine as it's easier to see what's going on. An aero rotary is just a radial spinning around a stationary crank. Here's a good radial animation...
https://science.howstuffworks.com/transport/engines-equipment/radial-engine2.htm
https://science.howstuffworks.com/transport/engines-equipment/radial-engine2.htm
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We have one of the old Gnome rotaries at the New England Air Museum. We've added an electric motor to spin it and show the public how it "works". The rotary was an improvement over the in-line, especially due to weight and air cooling, but with the gyro forces of all that spinning steel, it was sure tough to control the plane once it left the ground.
Hold stick level, airframe rotates opposite from engine rotation. Etc. Etc. Rotary powered trainers killed a lot of student pilots back in WW1.
Not to mention the castor oil lubrication. Pilot was constantly breathing in castor oil ... and you know what happens when you take castor oil.
Tom
Hold stick level, airframe rotates opposite from engine rotation. Etc. Etc. Rotary powered trainers killed a lot of student pilots back in WW1.
Not to mention the castor oil lubrication. Pilot was constantly breathing in castor oil ... and you know what happens when you take castor oil.
Tom
aeronca65t
Great Pumpkin
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Neat! I've seen others, but I really like one that shows the double-acting oscillator.
All of my students build this one (this was drawn by one of my guys........the extra bracket is for a small generator, which I usually delete):
All of my students build this one (this was drawn by one of my guys........the extra bracket is for a small generator, which I usually delete):
OP
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Since it works on hot air, I could mention a few places around here it should work very well! :highly_amused:
Ran across a video once on the web of what was supposed to be the final rotary LeRhone built. Was intended to be a bomber engine and was a twin row engine. However apparently the torque was so great on the test stand they didn't see it ever being able to fly and not cause terminal damage to the airframe it was attached to.
Was cool to watch though as the test frame twisted against the spinning engine.
Was cool to watch though as the test frame twisted against the spinning engine.
OP
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Mike, do you remember the web site you saw it on? I would love to see it! PJ