V-twin sleeve valve engine on the 1925 Grindlay-Peerless - only known runner
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- čas přidán 20. 06. 2024
- In this video Sammy Miller shows us his 1925 Grindlay-Peerless ST1 998cc V-twin sleeve valve engine). This bike is the only running example of a sleeve valve engine of this type.
Location for this video was the 2024 Banbury Run which is put on by the Vintage Motor Cycle Club. The event starts and ends at the British Motor Museum, Gaydon, Warwickshire, England, UK.
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// A BIG THANK YOU TO
- Annie Durrant and the team at the Vintage Motor Cycle Club for having us along on the day.
Website: vmcc.net
- Sammy Miller for doing the interview with us.
Website: sammymiller.co.uk
- John Oakes for taking the time to film with us on the day.
Instagram: @classicbikeman
- Alex Rollings for producing the video.
CZcams: @motofilmer
Instagram: @motofilmer
#classicmotorcycles
#vintagemotorcycles
#motorcycles - Auta a dopravní prostředky
Two unique historical museum pieces - a sleeve valve bike and Sammy Miller : )
That bike looks pretty stylish. I hope I'm still riding around when I'm that guy's age. If I live that long.
That's a top quality bike..❤ i'd never heard of this maker before, thanks for the video😊
I am so glad that folks are taking the time to make what will some day be priceless archival recordings of Sammy.
The legend Sammy Miller!
The Bristol car compagny used sleevevalves in their luxury models prewar (they are very quiet), and made the Hercules radial airplane engine and later the Centaurus for use in a number of, mainly, bomberplanes. After their teeding problems they were very well liked.
Napier used the system in their Sabre engines, H24s, used in Hawker Typhoons and Tempests, they became very powerfull.
There is a guy making a chopper with a singlecylinder sleevevalved engine now, he is about to be finiced. I always liked the type.
as did Knight in the US (Daimler, back in the day used those engines and same of their own design)...he has that one not smoking, that is amazing in itself.
Great bikes, nice filming.
Cheers from Greece.
Thank you very much!
What a fascinating video - I've heard of Grindlay Peerless of course but had no knowledge of this "Sleeve Valve" model . . What a bike it is - (fabulous petrol tank) . 😊😊
what a beauty
Man, I bet you'd be the hero of the Burger King parking lot in 1925, riding in on THAT bad boy
The NAPIER Sabre was capable of revving up to ~4,000rpm
Does this bike have any connection to the peerless car company?.
Didn't the Brough special engine use sleeve valves?
Not much need for a sleeve valve after 2-stroke engines were designed. 2-stroke engines use ports in the cylinder and have fewer moving parts.
Nice to have a sleeve valve engined bike as a museum exhibit, though.
Sleeve valve is 4 stroke though.
@@johndumarney1630 Right. 4-stroke. Aproximately half the power of a 2-stroke. But with no requirement to mix oil into the fuel. Still have the oil burning & heat problems of a sleeve-valved 4-stroke to deal with. But, I can understand why they fell out of fashion. Interesting museum exhibit and piece of history, though.
They were unreliable and prone to failure. Beautiful just the same… 👍🏻