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Allen Millyard's 5 litre V-twin

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Mars1811
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Allen Millyard's 5 litre V-twin

Postby Mars1811 » Mon Feb 15, 2021 10:05 am

Have any of you seen the videos by Allen Millyard about how he made his 5-litre V twin motorcycle?
He's practically just a mad scientist, his videos are very entertaining to watch.

Here's a video of it running:
https://youtu.be/nnrzZQVtkeM

And here's how he made it:
Part 1:
https://youtu.be/I-Xr1bmbZ_s
Part 2:
https://youtu.be/XUYC0zWhNio

I love the part where he decides to make his own carburettors on a whim.
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Re: Allen Millyard's 5 litre V-twin

Postby bumblebee » Mon Feb 15, 2021 5:57 pm

Personally I would rather a Boss Hoss V8 or an Aussie Drysdale V8
However
If I could get a road legal unit I would have a radial engine off an aeroplane driven motor cycle
Or
Preferably a jet or rocket Power drag bike
However
For practicality, the Boss Hoss wins for me hands down

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Re: Allen Millyard's 5 litre V-twin

Postby Mars1811 » Tue Feb 16, 2021 2:29 am

Funnily enough, the engine he used in that bike was just 2 cylinders from a Rolls Royce radial aero engine.
Also if you wanted more cylinders, he also took the V10 from a Viper and built a motorbike around that:
Image

As for jet bikes, I'd kill for a ride on the Y2K some day :D
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Re: Allen Millyard's 5 litre V-twin

Postby bumblebee » Tue Feb 16, 2021 6:10 am

Have a look at the Norton F1 Rotary and it's history and why they banned it in racing.
It was a pretty incredible bike for sure

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Re: Allen Millyard's 5 litre V-twin

Postby awood » Tue Feb 16, 2021 6:59 pm

Technically , I don't think the Y2K was a , "Jet bike" , as such?
It was a helicopter Gas Turbine engine.
Don't get me wrong , I'd love to own one just for the ultra cool factor.

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Re: Allen Millyard's 5 litre V-twin

Postby Mars1811 » Wed Feb 17, 2021 2:19 am

Well, it used a jet engine to generate the power needed to turn the wheel.
It didn't use the velocity of the exhaust to force the car forwards, but used it to spin a series of blades that drove the wheel.
Just like a helicopter or a turboprop engine.
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Re: Allen Millyard's 5 litre V-twin

Postby awood » Wed Feb 17, 2021 6:02 pm

The Y2K uses a 2 speed gearbox and a chain and sprocket set up for drive/propulsion.

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Re: Allen Millyard's 5 litre V-twin

Postby bumblebee » Thu Feb 18, 2021 6:12 am


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Re: Allen Millyard's 5 litre V-twin

Postby Viking » Sun Feb 21, 2021 9:30 pm

bumblebee wrote:Aussie Drysdale V8


That, and the Hunwick Hallam V-Twin. I wish they'd both managed to make it into some sort of production run, rather than (effectively) being prototypes that didn't go very far.

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Re: Allen Millyard's 5 litre V-twin

Postby bumblebee » Mon Feb 22, 2021 4:31 pm

Oohhhh yeah
The Hunwick Hallam is very nice
If you ever get the opportunity to visit the motorcycle museum on highway one just to the north of Sydney, you will enjoy that , there is all kinds of goodies in there

http://imgur.com/gallery/uhFjj

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Re: Allen Millyard's 5 litre V-twin

Postby lancerdarryl » Mon Feb 22, 2021 4:54 pm

Australian Motorcyle museum at Nabiac? It's quite a good place to visit.Its about 4 hrs north of Sydney.
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Re: Allen Millyard's 5 litre V-twin

Postby bumblebee » Tue Feb 23, 2021 3:03 pm

Yup
That's the one

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Re: Allen Millyard's 5 litre V-twin

Postby Mars1811 » Wed Feb 24, 2021 12:11 am

What a wonderful place!
I'll make sure to stop by if I'm ever in Sydney.
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Re: Allen Millyard's 5 litre V-twin

Postby Viking » Wed Feb 24, 2021 4:49 pm

Road trip to the Motorcycle museum!! :-)

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Re: Allen Millyard's 5 litre V-twin

Postby Mars1811 » Wed Feb 24, 2021 11:10 pm

What a brilliant idea :D
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