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ReconRat

9 Cylinder Motorcycle

17 posts in this topic

Looks comfy and very sporting!

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Very interesting, but seems like it should get more than 16.67 HP per cylinder.

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That big ass belt next to his leg would give me cause for concern

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150hp @ 3600rpm isn't bad

8.5 compression ratio

uses 7.1 gallons of 100LL per hour

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Gotta love the old radial airplane engines.

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I'll give him points for ingenuity but that thing looks ridiculous.

Edited by TRMN8TR

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Totally practical. I laughed when he tried to turn around in the parking lot. Looked like he was going to drag a peg going straight!

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Please note there is no "high side" on this bike.

It are round. It will roll many times.

Worse, if high sided in the direction of engine rotation,

it might never stop...

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I wonder if the bike has a tendency to counter-rotate. The engine mounted on

anything else would have a wide, stable stance. The bike, not so much.

.

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I wonder if the bike has a tendency to counter-rotate. The engine mounted on

anything else would have a wide, stable stance. The bike, not so much.

.

yup. BMW and Guzzi will rock when shifting.

Actually have to be careful shifting in corners.

But only if being aggressive.

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Very interesting, but seems like it should get more than 16.67 HP per cylinder.

Iirc, Harley engines are just radial engines with some cylinders missing, 16 or 17 hp per cylinder seems about right, lol

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...Harley engines are just radial engines with some cylinders missing...

Haha! I'm going to use that.

.

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I like this design a little better, seems more practical especially with the primary drive belt positioning

picture.php?albumid=1312&pictureid=17281

Edited by Hellmutt

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^^ 7 cylinder radial engine. Both 7 cylinder and 9 cylinder were popular for overall size.

The Wasp engine was everywhere with 9 cylinders, and double that with two banks of 18 total.

F4U Corsair and F4 Hellcat both used the Double Wasp 18 cylinder engine.

 

Single banks were 5, 7, 9, etc. It has to be an odd number in each cylinder bank to work.

Edited by ReconRat

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Also, don't forget that bike engines displacement was in cc's. The old school aircraft engines are in cubic inches. Much larger cylinders and power output.

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