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An interesting engine swap.

 
Old 05-25-2013, 04:28 AM
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Default An interesting engine swap.

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Old 05-25-2013, 06:01 AM
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Is that an APU I hear whining prior to start? Shiz be knutz
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Old 05-25-2013, 06:55 AM
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I don't see how else you can possibly crank that thing without an APU.
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Old 05-25-2013, 08:38 AM
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Loved the sound of round......I noticed the car never even wiggled so a clear photoshop fabrication, but great video non the less. Thanks Joe!
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Old 05-25-2013, 10:44 AM
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Originally Posted by tasty danish View Post
Is that an APU I hear whining prior to start? Shiz be knutz
It's an inertia starter, an electric motor turns a flywheel and you engage a clutch to spin the radial.
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Old 05-25-2013, 01:11 PM
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Originally Posted by Amellrotts View Post
I noticed the car never even wiggled so a clear photoshop fabrication,
??

Look at the reflection in the right-rear quarter window starting at :08 when they begin cranking. That car is definitely "wiggling".
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Old 05-25-2013, 01:14 PM
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well... on a lighter, less-well thought out note... At least this guy SUCCESSFULLY did a stupid swap, unlike alot of the claims in the intro posts....
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Old 05-25-2013, 01:30 PM
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To be fair, I have utterly no idea whether the car is actually driveable, or if this was just a stunt. The crankshaft of the rotary radial engine is definitely at a higher plane than the stock crank and input shaft to the transmission, so you'd have to fabricate some sort of belt or chain drive to transfer the power to a lower intermediate shaft, and then a clutch assembly to couple it to the transmission.

Looks cool as hell though.

Irony:

Notice the license plate? It's a California car. And since that's an early 60s vintage Bug, this engine swap is CARB legal (unlike, say, putting a turbo onto a clean-running '00-'05 Miata.)

Last edited by Joe Perez; 05-25-2013 at 03:03 PM.
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Old 05-25-2013, 02:54 PM
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Originally Posted by Joe Perez View Post
The crankshaft of the RADIAL engine is definitely at a higher plane than the stock crank and input shaft to the transmission
FTFY. No doritos in this thread.

I did a little E-stalking, looks like this is a salt flat car.
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Old 05-25-2013, 03:03 PM
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Originally Posted by tasty danish View Post
FTFY. No doritos in this thread.
(facepalm)

Yes, I do actually understand the difference between a radial and a rotary ((not a wankel, an actual aircraft rotary), I just have the dumb this morning.
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Old 05-25-2013, 03:16 PM
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Win.
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Old 05-25-2013, 04:29 PM
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Originally Posted by Joe Perez View Post
(facepalm)

Yes, I do actually understand the difference between a radial and a rotary ((not a wankel, an actual aircraft rotary), I just have the dumb this morning.
I can't imagine what a rotary A/C engine would be like to operate. You think BP's vibrate terrible...
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Old 05-25-2013, 04:48 PM
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Originally Posted by tasty danish View Post
I can't imagine what a rotary A/C engine would be like to operate. You think BP's vibrate terrible...
They're supposedly quite well-balanced and run very smoothly. Consider that in a rotary design, the crankcase, cylinders and heads all collectively act as a gigantic flywheel.

On the downside, power is limited by the amount of air which can be sucked in through a hollowed-out crankshaft, and they are lubricated in a total-loss system, somewhat like a two-cycle engine. Pressurized oil is supplied to the bearings by a pump, but it is never recovered and instead goes out of the engine through the cylinders.
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Old 05-31-2013, 01:28 PM
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Originally Posted by Joe Perez View Post
They're supposedly quite well-balanced and run very smoothly. Consider that in a rotary design, the crankcase, cylinders and heads all collectively act as a gigantic flywheel.

On the downside, power is limited by the amount of air which can be sucked in through a hollowed-out crankshaft, and they are lubricated in a total-loss system, somewhat like a two-cycle engine. Pressurized oil is supplied to the bearings by a pump, but it is never recovered and instead goes out of the engine through the cylinders.
And how exactly do you connect a rotating engine block to a transmission?
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Old 05-31-2013, 01:31 PM
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Originally Posted by Leafy View Post
And how exactly do you connect a rotating engine block to a transmission?
Very carefully.
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