lördag 27 september 2014
måndag 22 september 2014
måndag 15 september 2014
Harley 1933 500cc Speedway Engine
Stolen from KIOTEE GARAGE BLOG.
http://kioteegarage.blogspot.se/
"This is the history part. The same guy that is selling the JAP
also is selling a Harley Davidson 500 cc single race engine which is one of the
prototype engine built to run against the JAP. The buy it now price
is $199,000.00. Yes I read and typed that correctly. This is what the seller says about the engine.
Circa 1933 one-off Harley
Davidson Over Head Valve 500cc, 30.50 cubic inch single cylinder racing
engine. This experimental engine is the predecessor of the Harley
Davidson CAC 500cc Speedway single racers. This engine is a virtual copy
of the J.A. Prestwich, also known as J.A.P. Speedway 500cc, 4 stud racing
engine manufactured in Tottenham, England from the teens to the 1960's.
The J.A.P. Speedway machines were beating all comers including Harley Speedway
racers. The Harley racing department decided it was time to even the
score. A brand new J.A.P. 4 stud Speedway machine was purchased
by the Harley race department. Their express purpose was to dismantle and
reverse engineer the OHV J.A.P. engine to improve Harley's raing performance by
incorporating some of the J.A.P. designs.
William Harley and Joe Petrali, scratch built this one-off Harley Speedway
engine copying a J.A.P. single in the Harley race department. William
Harley told Petrali to discard the J.A.P. parts. but soon realized they could
reuse the carburetor and magneto off the J.A.P. engine. He asked Joe what
became of the carb and mag? Joe replied he threw them in the trash as instructed.
Harley told him to go retrieve them, which he did. The original Amal
racing carburetor and the Lucas racing magneto were found and installed on this
Harley one-off racing engine. They remain in use on it today.
The Harley Davidson engine turns over and has good compression.
This is the original untouched engine as given to Joe Petrali by William Harley
at the end of their project. At the base of the cylinder, "EX
1320" is cast indicating it is an experimental item. The brand name,
"Harley Davidson" is in bas relief on the rocker box cover
similar to where the J.A.P. engine has J.A.P. in bas relief. Other than
"EX 1320" cast on the cylinder and "Harley Davidson" in bas
relief on the cover, there are no VIN , line bore, or date
code numbers. The engine case castings are rough and crude where
reinforced around the crankpin. The compensating sprocket is on the
sprocket shaft. Use as a show engine or build a truly one of a kind
Speedway racing machine."
Det är dax att tänka till lite igen . . .
Brooken Spooke
söndag 14 september 2014
måndag 8 september 2014
onsdag 3 september 2014
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