A longside JAP speedway engine development, specialists made frames, including speedway rider Alec Jackson, who was to later take over speedway engine production.
Most off-season during the early/mid 1930s, engine development work had two objectives – reliability and power. For example, over winter 1932/3, the cylinder head was modified, which, with other details, took measured (at the crankshaft) output to over 40bhp.
At the same time, for reliability, the rocker box was redesigned, the small oilbox for gravity feeding the valve stems between races was dropped, with the rocker box redesigned to accept an oil feed.
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Pitching a ride
The long-running sport of motoball arrived at Brooklands for the first time, in September 2020.
‘Looks like it’s standing still when it’s doing 100mph’, rockers sneered. What’s the truth behind Triumph’s first unit sports 500?
Where does the passenger go?
Dictionaries inform the sidecar is: ‘a jaunting-car; small car attached to the side of a motorcycle; kind of cocktail.’ We’ll forget jaunting-cars and cocktails, but how did the world arrive at the sidecar? And what came before?
Sidecar ace and passenger, plus a future winner, learning the TT’s Mountain Course.
Store Cupboard Special
On to part six, and momentum is still being maintained, I though the shopping list is growing ever-longer.
As the Roaring Twenties drew to a close, JAP focussed heavily on improvements, including to lubrication, though, happily, they still found time for the odd whacky engine.
It’s worth making sure your engine is timed correctly. Here, it’s explained and exampled on an engine which is all a motorcyclist really needs (according to some, anyway…) – the single cylinder four-stroke.
A brief chat with...Al Osborn
From crystal radio sets to current electrical affairs, Al Osborn has had a lifetime of understanding the mystical substance which ignites our engines.
Colin Jansen built himself a BSA café racer twin just like he’d wanted in the 1960s – his brother liked it so much, he had Colin make him one too.
The brilliant Benellis
World title success in 1950 was the highlight for the family firm from Pesaro, on the eastern Italy coast.
PICK ONE:YOUR DOCTOR OR YOUR RIGHTS
As private equity investors take over doctors’ offices, they’re popularizing a controversial legal practice: forcing patients to agree to binding arbitration before they can receive care
ONE GIANT LEAP
Be the first person to set foot on an alien world in ELITE DANGEROUS: ODYSSEY, an expansion that dramatically widens an already vast galaxy.
LIKE EVERYTHING ELSE 2020, TAXES WILL BE LIKE NO OTHER YEAR
It’s the time of year to start thinking about taxes — but the upcoming filing season is going to be a bit trickier for many Americans due to rampant unemployment, working from home and general upheaval due to COVID-19.
GEORGE OBEYS AMAL'S RULES OF THE ROAD
She bans motorcycles after Clooney crack-up
JACKSON Minion JS1X and SQUIER Mini Precision
Small but perfectly formed, these affordable bass guitars bring a touch of fun-sized charm to the table—but can they compete with their full-grown siblings, asks Joel McIver
HER TIME TO SHINE!
Up Close & Personal - Beverly Hills, Oct. 27
First Taste - Don't Call It Tex-Mex
Yellow Rose brings fresh flour tortillas, vegan queso, and a honky-tonk vibe to the East Village.
FFA Member Spotlight: Allison Jackson
YOU CAN FIND HER at Auburndale High School, following alongside Mrs. Shaske or Mr. McCracken or walking her heifer, Clara, or market hog, Woodrow (notice the Lonesome Dove references).
Star ENTERTAINMENT: HOLIDATE
Wed., Oct. 28 on Netflix
Rebuilt O-line now a team strength
The Dolphins spent an awful lot of resources this past offseason, both in draft picks and free agency capital, on their offensive line.