"RamblinRover Luxury-Yacht" (ramblininexile)
06/06/2017 at 15:59 • Filed to: two wheels good
5
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"RamblinRover Luxury-Yacht" (ramblininexile)
06/06/2017 at 15:59 • Filed to: two wheels good | 5
| 11 |
If you’re wondering if the weird thing that seems to be going on with the engine is going on, well, it is.
bob and john
> RamblinRover Luxury-Yacht
06/06/2017 at 16:05 |
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Stacked boxer? Huh..can’t say I’ve seen that before.
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RamblinRover Luxury-Yacht
> bob and john
06/06/2017 at 16:07 |
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Plot twist, it’s a para-boxer. A sort-of-boxer. It has common pins for each pair of cylinders, so both top ones go right or left together, *but* in a boxer motion with the bottom two. It could have been made as a normal boxer x2, but this is a little more compact front to back because there isn’t any cylinder offset.
jimz
> bob and john
06/06/2017 at 16:09 |
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it’s called an “H” engine, and is not very common at all.
https://en.wikipedia.org/wiki/H_engine
Berang
> RamblinRover Luxury-Yacht
06/06/2017 at 16:11 |
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Not quite Lanchester level ridiculous
but close.
I have a vague memory of reading about an early 2-stroke automobile that also had twin cranks geared together, but I can’t recall the name.
CobraJoe
> RamblinRover Luxury-Yacht
06/06/2017 at 16:12 |
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If I remember right, the top crankshaft and the bottom crank shaft were contra-rotating, killing any torque reaction when revving the engine.(I guess you can actually see that in the small detail drawing).
“Smooth as a dream”
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RamblinRover Luxury-Yacht
> CobraJoe
06/06/2017 at 16:17 |
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Yep, contra-rotating and pseudo boxer (crank one’s cylinders go left, crank two’s go right) which means the *only* vibration produced, of any kind(!) would be the reciprocating left-right pitch of the cylinders top-to-bottom if they weren’t perfectly crank balanced. Correct crank balance - nothing. Counterweights on top go up, ones on bottom go down....buttery, and worm drive to the rear, so very low final drive.
Nibbles
> RamblinRover Luxury-Yacht
06/06/2017 at 16:26 |
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But what does it sound like?
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RamblinRover Luxury-Yacht
> Nibbles
06/06/2017 at 16:31 |
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No videos show up in search. There *is* one that runs, that’s built a little different than the show model here, but apparently no videos out there that I saw. The answer is probably “like the smoothest bike four banger in the entire world”.
KnowsAboutCars
> RamblinRover Luxury-Yacht
06/06/2017 at 17:36 |
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TIL
The Compromiser
> RamblinRover Luxury-Yacht
06/06/2017 at 18:50 |
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Can’t afford a new one so that would definitely be out of my range. Cool bike though
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Nibbles
> RamblinRover Luxury-Yacht
06/06/2017 at 22:00 |
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Someone needs to record this beauty for posterity.