After an eight year absence the 1947 Isle of Man Tourist Trophy

Isle of Man TT

The International Isle of Man TT Race is a motorcycle racing event held on the Isle of Man and was for many years the most prestigious motorcycle race in the world...

was the first race festival since 1939 due to the interruption of World War II. With the restart of racing the ACU

AutoCycle Union

The Auto-Cycle Union is governing body of motorcycle sport in Great Britain . Founded in 1903 and acquiring its current name in 1907 its aim was to develop motor sport through clubs and arrange touring facilities for members...

 decided to add three Clubman class races for production machines and introduced these races for Lightweight, Junior and Senior class machines making the festival a six race event.

Harold L. Daniell won the Senior TT

Senior TT

The Senior Tourist Trophy is a motorcycle road race that takes place during the Isle of Man TT festival; an annual event at the end of May and beginning of June. The Senior TT is the Blue Riband event of the festival and takes place on the Friday of race week. The Marquis de Mouzilly St. Mars...

 at 82.81 mi/h on a Norton

Norton (motorcycle)

Norton is a British motorcycle marque, originally from Birmingham, founded in 1898 as a manufacturer of "fittings and parts for the two-wheel trade". By 1902, they had begun manufacturing motorcycles with bought-in engines. In 1908, a Norton-built engine was added to the range...

 and the Norton team were to dominate the Senior race until 1954. Speeds were somewhat lower than the pre-war races due to the low quality "pool" petrol available, and it would be another three years before Harold L. Daniell's 1938 lap record was broken. Supercharger

Supercharger

A supercharger is an air compressor used for forced induction of an internal combustion engine.The greater mass flow-rate provides more oxygen to support combustion than would be available in a naturally aspirated engine, which allows more fuel to be burned and more work to be done per cycle,...

s were banned for motorcycle racing from 1946, so that may have reduced speed too.

This was an early race appearance for the E90 AJS Porcupine

AJS Porcupine

-Racing history:The motorcycle was originally designed by AJS to be supercharged, as were a number of pre-war racing bikes, but the FICM banned supercharging in 1946. The motor was then worked on to allow it to perform without a supercharger...

, ridden to ninth in the Senior by Leslie Graham.

Junior TT (350cc)

Rank	Rider	Team	Speed	Time
1	Bob Foster Bob Foster (motorcyclist) Alfred Robert "Bob" Foster was a British former Grand Prix motorcycle road racer.Foster's win on a unit-construction New Imperial in the 1936 Isle of Man TT was the last time that Great Britain won a Lightweight TT....	Velocette Velocette Velocette is the name given to motorcycles that were made by Veloce Ltd, in Hall Green, Birmingham, England. One of several motorcycle manufacturers in Birmingham, Velocette was a small, family-owned firm, selling far fewer hand-built motorcycles than the giant BSA, Norton or Triumph concerns...	80.311 mph	3:17.20.0
2	David Whitworth	Velocette	78.677 mph	3:21.26.0
3	Jock A Weddell	Velocette	76.15 mph	3:28.07.0
4	Peter Goodman	Velocette	75.822 mph	3:29.00.0
5	Les G. Martin	Norton	73.964 mph	3:30.30.0
6	F J Hudson	Norton	76.96 mph	3:34.16.0
7	Guy Newman	Velocette	73.94 mph	3:34.19.0
8	Tommy Wood Tommy Wood Tommy Wood was a former Grand Prix motorcycle road racer. He competed in his first Manx Grand Prix in 1937. His best season was in , when he won two races, including the 1951 Isle of Man Lightweight TT, and finished second to Bruno Ruffo in the 250cc world championship.-Reference:...	Velocette	73.28 mph	3:36.16.0
9	Eric Oliver Eric Oliver Eric Staines Oliver was an English motorcycle racer best remembered as four time FIM Sidecar World Champion, riding a Norton. His passenger in 1949 was Denis Jenkinson...	Norton	73.00 mph	3:37.05.0
10	Geoff G Murdoch	Norton	72.99 mph	3:37.07.0

Lightweight TT (250cc)

Rank	Rider	Team	Speed	Time
1	Manliff Barrington Manliff Barrington Manliff Barrington Monkstown, County Dublin, was an Irish motorcycle racer famous for winning the Isle of Man TT races 2 times in his career.-Racing career:...	Moto Guzzi Moto Guzzi Moto Guzzi is an Italian motorcycle manufacturer. It is one of seven brands owned by Piaggio.Established in 1921 in Mandello del Lario, Italy, the company is noted for its central historic role in Italy's motorcycling manufacture, its prominence worldwide in motorcycle racing, and a series of...	73.22 mph	3:36:26.6
2	Maurice Cann Maurice Cann Maurice Cann was a British former Grand Prix motorcycle road racer. He entered his first Manx Grand Prix in 1931, and in 1938 competed in his first Isle of Man TT. Cann won the 1948 Lightweight TT aboard a Moto Guzzi. He competed from 1949 to 1952 in the Grand Prix world championships...	Moto Guzzi	72.972 mph	3:37.10.8
3	Ben Drinkwater Ben Drinkwater Reuben Thomas 'Ben' Drinkwater born Rochdale, Lancashire, England a railway signalman and motor-cycle racer who competed in the Isle of Man TT Races and the Manx Grand Prix....	Excelsior	70.139 mph	3:45.57.0
4	Les Archer Les Archer Leslie James Archer was a leading motorcycle racer of the 1920s, competing in long distance speed trials, hill climbs and scrambles, now known as motocross....	New Imperial New Imperial Motors Ltd New Imperial was a British motorcycle manufacturer founded by Norman Downes in Birmingham, between 1887 and 1901, and became New Imperial Motors Ltd in 1912, when serious production commenced. New Imperial made innovative motorcycles that employed unit construction and sprung heel frames long...	69.805 mph	3:47.02.0
5	W H Stan Pike	Rudge	68.559 mph	3:51.09.6
6	G L Paterson	New Imperial	68.488 mph	3:51.24.0
7	Svend Aage Sørensen	Excelsior	67.775 mph	3:53.50.0
8	C. W. Johnston	CTS	67.72 mph	3:54.01.6
9	Les G Martin	Excelsior	67.621 mph	3:54.22.0
10	Jack Brett Jack Brett Jack Brett was a British Grand Prix motorcycle road racer. He competed from 1949 to 1960 in the Grand Prix world championship. He won his only world championship race in the 500cc class at the 1952 500cc Swiss Grand Prix, riding an AJS...	Excelsior	67.249 mph	3:55.39.6

Clubmans Senior TT

Rank	Rider	Team	Speed	Time
1	Eric Briggs	Norton	78.67 mph	1:55.08.0
2	Allan Jefferies	Triumph	75.23 mph	2:00.23.0
3	Geoff F Parsons	Ariel	71.26 mph	2:07.06.0

Clubmans Junior TT

Rank	Rider	Team	Speed	Time
1	Denis Parkinson	Norton	70.74 mph	2:08.01.0
2	Bob Pratt	Norton	68.87 mph	2:11.30.0
3	Wilf Sleightholme	AJS	68.28 mph	2:12.39.0

Clubmans Lightweight TT

Rank	Rider	Team	Speed	Time
1	Basil Keys	AJS	64.27 mph	1.45.42.0
2	Les Archer	Velocette	63.73	1:46.36.0
3	Don G Crossley	Velocette	62.91	1:47.58.0

Senior TT (500cc)

Rank	Rider	Team	Speed	Time
1	Harold L Daniell Harold Daniell Harold Daniell was a British professional Grand Prix motorcycle road racer who competed in the 1940s and 1950s...	Norton Norton (motorcycle) Norton is a British motorcycle marque, originally from Birmingham, founded in 1898 as a manufacturer of "fittings and parts for the two-wheel trade". By 1902, they had begun manufacturing motorcycles with bought-in engines. In 1908, a Norton-built engine was added to the range...	82.813 mph	3:11.22.2
2	Artie Bell Artie Bell Arthur James Bell was an Irish motorcycle road racer became known for his short, yet brilliant, post-World War II Isle of Man TT career that came to notice with his second place finish in the 1947 Isle of Man TT on a second-hand 500cc Norton he bought himself on which he led for three of the seven...	Norton	82.656 mph	3:11.44.2
3	Peter Goodman	Velocette Velocette Velocette is the name given to motorcycles that were made by Veloce Ltd, in Hall Green, Birmingham, England. One of several motorcycle manufacturers in Birmingham, Velocette was a small, family-owned firm, selling far fewer hand-built motorcycles than the giant BSA, Norton or Triumph concerns...	82.463 mph	3:12.11.0
4	Ted Frend Ted Frend Edward Frend , born in South London, was a British motorcycle sports competitor from the late 1930s to the early 1950s, road racing with the AJS works team from 1948 to 1954.-Early years:...	Norton	81.57 mph	3:14.17.4
5	Guy Newman	Norton	79.638 mph	3:19.00.0
6	E Roy Evans	Norton	78.051 mph	3:23.02.8
7	Noel Christmas	Norton	78.048 mph	3:23.03.2
8	Bill Beevers	Norton	77.56 mph	3:24.20.0
9	Leslie Graham Leslie Graham For the English footballer and manager see Leslie Graham Robert Leslie Graham DFC was a British motorcycle road racer who competed in the 1930s and 1940s...	AJS AJS AJS was the name used for cars and motorcycles made by the Wolverhampton, England, company A. J. Stevens & Co. Ltd, from 1909 to 1931, by then holding 117 motorcycle world records, and after the firm was sold the name continued to be used by Matchless, Associated Motorcycles and Norton-Villiers on...	77.472 mph	3:24.34.0
10	Les A Dear	Norton	75.931 mph	3:28.43.0

External links

• Detailed race results
• Isle of Man TT winners