Friday 18th October 2013

The 45cc V8: Time For Tea?

If there ain't no replacement for displacement, nobody told the maker of this V8

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Today's 1.8-litre V6 Shed has certainly got the discussion flowing on tiny multi-cylindered engines. So how about a 45cc V8?

The tiny motor looks as crazy as you would think, strapped down to a work bench and being fuelled from a jar. The exhausts don't look much bigger than straws. But everything works (and sounds!) as it should, the little V8 buzzing away with a hint of muscle car rumble.

All the vital displays are shown on a laptop, but there isn't yet a power output. According to the video description, the engine was 'made in the shed' using a Bridgeport mill and a 95-year-old lathe. It also includes and alloy block, a Walbro fuel pump and a tungsten alloy flywheel.

Keith5700, we applaud your ingenuity and engineering skills. It almost feels like a gauntlet has been laid down by Keith here; can anyone beat the 45cc V8?

 

 

 

[Source: Road and Track via MotorAuthority]

[Oddball RS]

Not sure on the capacity but just as cool.........

http://www.youtube.com/watch?v=yA8jPjjPwkk#t=251

[spoodler]

Brilliant - if I had half that man's "ingenuity and engineering skills" my hot rod would have been finished ages back...

[thejudderman]

It's not as small, but perhaps more impressive still (and of more interest to Mr Harris) I seem to remember seeing something on YouTube about a circa 200cc, flat 12, Ferarri 512TR engine. complete with 48 valves and DOHC's.
I'm sure somebody, who isn't supposed to be working but ate too much pasta at lunch to function, could find the video.

[gdelargy]

thejudderman said:

It's not as small, but perhaps more impressive still (and of more interest to Mr Harris) I seem to remember seeing something on YouTube about a circa 200cc, flat 12, Ferarri 512TR engine. complete with 48 valves and DOHC's.
I'm sure somebody, who isn't supposed to be working but ate too much pasta at lunch to function, could find the video.

Not a flat-12, but the video below is of a tiny little V12 being assembled and then run. Amazing bit of craftsmanship:
http://www.youtube.com/watch?v=m3KdpzL3Hkk

[Digger]

This is quite hard to beat.

http://youtu.be/m3KdpzL3Hkk


eta - too late

Edited by Digger on Friday 18th October 16:32

[Andy ap]

Epic!!!! i have found the perfect powerplant for my mountain bike.....

The V8 that is..wonder if rotrex would do a kit for that??? Hmmmm

Edited by Andy ap on Friday 18th October 16:34

[soad]

Digger said:

This is quite hard to beat.

http://youtu.be/m3KdpzL3Hkk

More cylinders is good!

[Nightshade]

http://www.youtube.com/watch?v=5a1__niLIAQ

[ellisd82]

Imagine a scrotty 16 year old with one of these in their ped lol.

[Jimbo.]

gdelargy said:

Not a flat-12, but the video below is of a tiny little V12 being assembled and then run. Amazing bit of craftsmanship:
http://www.youtube.com/watch?v=m3KdpzL3Hkk

Clarkson's "Extreme Machines":

http://www.youtube.com/watch?v=Aq95SZm44IM

[j_s14a]

Napier Deltic model: http://www.enginehistory.org/Convention/2005/Prese...

More impressively, it will soon be joined by a running scale Napier Sabre!

[SKM1984]

Keith deserves the recognition he receives.

He's an engineer where I work in charge of tooling design, he really does think on another level. I've heard briefly of this but seeing it running is deeply impressive

[Lowtimer]

This is the proper thing.
1/5 scale Rolls-Royce Merlin, 183cc

Details
http://www.enginehistory.org/ModelEngines/merlin_x...

Video
http://www.youtube.com/watch?v=0xe1LL1IC7Y

[Dr Bunsen]

Nah....
Now this is what I call a desk fan
http://www.youtube.com/watch?v=9dQ5Bor1GMo

[J4CKO]

I think someone should do a kit for us non engineers to assemble, not that plastic one either, a proper metal one that actually runs.

[P4ROT]

This is my favourite:

http://www.youtube.com/watch?v=uzPvPowrm6M

[Charlie Foxtrot]

J4CKO said:

I think someone should do a kit for us non engineers to assemble, not that plastic one either, a proper metal one that actually runs.

And quickly, Christmas is only 2 months away.

[xRIEx]

gdelargy said:

Not a flat-12, but the video below is of a tiny little V12 being assembled and then run. Amazing bit of craftsmanship:
http://www.youtube.com/watch?v=m3KdpzL3Hkk

I not sure that's an actual engine, the camshaft rotates at the same rate as the crank.

There is this one though http://www.youtube.com/watch?v=mNPYjf1RIko

[Froomee]

Charlie Foxtrot said:

J4CKO said:

I think someone should do a kit for us non engineers to assemble, not that plastic one either, a proper metal one that actually runs.

And quickly, Christmas is only 2 months away.

Agreed. Put some fuel in and run it on the side when your bored

[Zad]

Charlie Foxtrot said:

J4CKO said:

I think someone should do a kit for us non engineers to assemble, not that plastic one either, a proper metal one that actually runs.

And quickly, Christmas is only 2 months away.

Google for Coles Challenger V8. The Coles shop site is rubbish though ( http://www.colespowermodels.com/ ) and YouTube etc does a far better job of selling the product. Most of the "worlds smallest engine" videos aren't internal combustion but run on compressed air, which makes things much much easier.

If you can't wait, these start at $5695 (supercharger $1695 extra). http://www.conleyprecision.com/609.htm

You could probably buy a real Caterfield, a real ex-Rover V8, and a toolkit for that sort of money.