6 CYL. ROTARY AIR ENGINE ALMOST FINISHED!!

Got the ABS plastic, Stratasys FDM3000 planetary gears bolted to the acrylic frame. Now ready for the 14X10 wooden prop, nosecone, and air lines w/fittings to see some serious rpm.

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[buddyl962]

Beautiful work.

[popnstart]

@buddyl962 , thank you for the positive comment. Later, Rick.

[MrROTD]

Why rotary? why not Radial instead? where's the valve gear or ports? do I ask too many question? What shall I have for lunch?

[popnstart]

@MrROTD no,no, never too many questions. Rotary because I had already done the radial(see "6-cylinder Radial Engine with 4 to 1 PTO"). The valve gear and ports can be seen in another upload entitled: "Autodesk Inventor Rotary Engine Components) video. All major parts are drawn with the 3-D software. How about some round food for lunch: PIZZA!! Thank you for your interest. Later, Rick.

[calito0010]

how much does it produce?

[popnstart]

@calito0010 , i dunno, but there is probably formulas where you could plug-in the bore(1") and the stroke(1.5") and the air pressure(140p.s.i.) to get a ballpark figure. I would guess 10-12 h.p.(hamster power).

[popnstart]

@fozzersmisterlister , they were referred to as rotaries long before Dr. Wankel invented his legendary mechanical masterpiece. I suggest doing the research on a subject before commenting on a vid to prevent embarrassment. Here's a starting point: Search on YT "Gnome Rotary". Thanks for your interest.

[farges76]

you should make it into a fan, just for the lolz

[surinderdhiman]

I am extremely sorry if I hurt u with my comments. The previous video was not showing full details, that is why I could not get it properly.

But this video explains the every detail of your amazingly invented device. This is really really a MASTERPIECE at every aspect and will be very useful in future.

I feel sorry again.

Surinder Dhiman Singh

[RenegadeEngineer]

@RenegadeEngineer Maybe keep the PSI down on testing, you got some power there. Dont want to strip the acrylic.

[RenegadeEngineer]

@RenegadeEngineer * 6 cylinders = 7.8 HP. Bad ass.

[RenegadeEngineer]

@popnstart

a 1" bore yields .785in squared. x 140 psi = 109 lbs of force.

Transmit that through a .75in lever arm (1/2 the stroke) and you get 82 lb-in which is 6.86 lbs-ft. (Torque). HP is torque times angular velocity (rpm in radians per second; 1,000rpm equals 104 rad/sec). 6.86lb-ft x 104rad/sec = 718 (lb-ft)/sec., multiply that times the conversion factor to get 1.306 HP.

HP = 1.3 @ 1,000 RPM and 140 psi, theoretical. Not a bad little motor