02-07-2021, 02:01 AM
Those jet engine power plants were used to smooth out peak demand during the TV adverts.
There used to be quite a few of them at one time.
There used to be quite a few of them at one time.
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Blumlein's Plane Crash
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02-07-2021, 10:12 AM
There was an installation near Lynton of one, to supply Lynton and Lynmouth as an island if the main power lines failed due to weather. It certainly happened back in the 1980's, and I can remember one occasion it ran out of fuel and the lights all dimmed out over a period of a couple of seconds as it ran down.
03-07-2021, 11:06 PM
Then there is Guy Martin's fully functional turbocharged Merlin. When he first fired it up (with a propeller) it broke loose and wreaked a trail of destruction.
https://www.youtube.com/watch?v=wJ9aO5yvT3k And who remembers John Dodd's The Beast, a road legal Merlin powered car. Still growling around even though Dodds is now 85 https://www.youtube.com/watch?v=snP0Qx3AX0c
04-07-2021, 07:31 AM
(This post was last modified: 04-07-2021, 07:42 AM by peter scott.)
Supercharged, not turbocharged.
The Beast looks like it might be slightly more sensible than the creation of a guy I bought some parts from. He had a Liberty engined La France. It only had rear wheels brakes! ![[Image: 1908-MAB-with-1918-27-litre-V12-aero-eng...seum-4.jpg]](https://amcn.com.au/wp-content/uploads/2018/05/1908-MAB-with-1918-27-litre-V12-aero-engine-Binalong-motor-museum-4.jpg) Peter
04-07-2021, 08:16 AM
Yes indeed supercharged. Kind of automatically wrote turbo in error.
Good grief - is that unsilenced exhaust actually pointing down at the road (or grass?). Whatever, it looks like a real widowmaker.
04-07-2021, 08:24 AM
Melting the asphalt.
The owner told me of approaching a set of traffic lights that just turned red. All he could do was put the foot on the accelerator and bast through them. He needed a lot more warning to make a stop on the brakes. Peter 
04-07-2021, 08:54 AM
Anyone sane do any calculations on the braking strain of that simplex chain?
No, didn't think so...
Looks like a motorbike chain. They are good to low hundreds of HP. Even Moto GP and IOM TT bikes is only ~300HP or slightly less.
If there is a similar chain on the other side, it should be good for 600HP. So still marginal for that daft engine. That is without considering torque....
04-07-2021, 01:46 PM
I would have to read up on the detail but a jet is, as regards drive, probably far easier to handle than any kind of internal combustion engine. Perhaps mainly due to the smoother buildup and delivery of power. On that car above you'd burn the clutch, the types, snap the chains or go giddy really quickly lol. A jet of similar power, even with a connected drive, would take much longer to respond (compare turbo lag on cars although pure superchargers are more responsive) This thread made me wonder if anyone has built a jet engine using car turbochargers, after all they do use a centrifugal compressor like early jets. It did not take me long to find an example: http://junkyardjet.com/
Tracy (04-07-2021, 08:54 AM)Amie Wrote: Anyone sane do any calculations on the braking strain of that simplex chain? Another simplex chain drive jobbie, not a bitsa but genuine Fiat-built, all 28 litres... https://m.youtube.com/watch?v=eToHTf-QUBA I love the lurch as the engine starts, from standstill, by sparking the appropriate cylinder after setting past TDC 
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