1924 Isle of Man TT

The 1924 Isle of Man Tourist Trophy saw the introduction of the Ultra-Lightweight class for motorcycles of 175 cc capacity that was run only twice, in 1924 and 1925. This was the second year of the Sidecar race that would also be dropped after 1925.

1924 Isle of Man Tourist Trophy
Date June 23, 25 and 27, 1924
Location Douglas, Isle of Man
Course Snaefell Mountain Course
37.739 miles (60.74 km).
Organiser Auto-Cycle Union
Clerk T.W. Loughborough
Junior TT
First Ken Tremlow, New Imperial
Second Syd Ollerhead, DOT-JAP
Third I.H.R. Scott, AJS
Fastest lap
Jimmy Simpson
35min. 5sec. 64.54 mph New record
Ultra Lightweight TT
First Jock Porter, New Gerrard
Second Freddie Morgan, Cotton
Third Chris Stead, Cotton
Fastest lap
Jock Porter
43min. 2sec. 52.61 mph New record
Sidecar TT
First George Tucker, Norton
Walter Moore
Second Harry Reed, DOT-JAP
Joe Hooson
Third Almond Tinkler, Matador
U.R. Tinkler
Fastest lap
Freddie Dixon
43min. 32sec. 53.23 mph
Lightweight TT
First Edwin Tremlow, New Imperial
Second Harry Brockbank, Cotton
Third Jack Cooke, DOT-JAP
Fastest lap
Edwin Tremlow
38min. 51sec. 58.28 mph New record
Senior TT
First Alec Bennett, Norton
Second Harry Langman, Scott
Third Freddie Dixon, Douglas
Fastest lap
Freddie Dixon
35min. 31sec. 63.75 mph New record

The Ultra-Lightweight TT began with a massed-start for competitors rather than pairs as with the normal time-trial format of the TT races. The winner of the first Ultra-Lightweight TT was Jock Porter riding a New Gerrard at an average speed of 51.21 mph (82.41 km/h).

The Junior TT race was won by Ken Twemlow on a New Imperial at an average speed of 55.67 mph (89.59 km/h). In the same Junior race, Jimmie Simpson set a new lap record of 35 minutes and 5 seconds at an average speed of 64.54 mph (103.87 km/h) on an AJS – the first average lap-speed over 60 mph. The Lightweight and Senior TT races were run in conjunction, and Eddie Twemlow (brother to Ken Twemlow) riding a New Imperial won the six-lap race in 4 hours, 5 minutes and 3 seconds, an average speed of 55.44 mph (89.22 km/h).

The Senior TT, like the Junior race, was also run at a record breaking pace and was the first with a race-average speed over 60 mph (97 km/h). The six-lap race was won by Alec Bennett riding a Norton in 3 hours, 40 minutes and 24. 6 seconds, with an average speed of 61.64 mph (99.20 km/h).

Senior TT (500cc)
RankRiderTeamSpeedTimeLaps
1 Alec BennettNorton3.40.24.661.64 mph (99.20 km/h)6
2 Harry LangmanScott3.41.54.261.236
3 Freddie DixonDouglas3.45.46.460.176
9 J A StuartNorton3.59.05.06

Junior TT (350cc)

6 laps (226.38 miles) – Mountain Course.

RankRiderTeamSpeedTime
1 Kenneth TwemlowNew Imperial56.68 mph4:04.49.0
2 S. OllerheadDOT54.91 mph4:07.26.2
3 I. H. R. ScottAJS54.55 mph4:09.01.6
4 Cecil AshbyMontgomery53.39 mph4:14.27.4
5 Harold J. WillisMontgomery52.80 mph4:17.18.8
6 J. L. E. EmersonDOT4:20.39.8
7 F. Simpson JnrExcelsior4:28.55.2
8 L. NicholsonOEC-Blackburne4:31.38.0
9 F. R. MarstonAJS4:31.39.0
10 J. W. ShawZenith4:43.48.4

Lightweight TT (250 cc)

6 laps (226.38 miles) – Mountain Course.

RankRiderTeamSpeedTime
1 Edwin TwemlowNew Imperial55.44 mph4:05.03.0
2 H. F. BrocklebankCotton52.85 mph4:17.05.0
3 J. CookeDOT52.54 mph4:18.03.0
4 L. J. CridlandJES51.84 mph4:22.03.0
5 P. PikeLevis51.16 mph4:25.31.0
6 H. F. HarrisNew Imperial50.50 mph4:29.01.0
7 F. Simpson JnrExcelsior4:32.50.0
8 C. G. S. CleareOK-Supreme4:38.50.0
9 C. W. JohnstonCotton4:40.23.0
10 Geoff S.DavisonLevis4:52.40.0

Ultra-Lightweight TT

It was held on Wednesday, June 25th, 1924 over a distance of 113  miles and 380 yards, 3 laps of 37.75 miles each. The machines were limited of cylinder capacity not exceeding 175cc. All seventeen riders started the race simultaneously, only twenty yards separating the last numbered man from the first. Eleven riders finished.[1]

The 13th International Isle of Man Tourist Trophy
Pos # Rider Bike Ultra Lightweight TT race classification
Laps Time Speed Prizes & Remarks
1 1 Jock Porter 174cc New Gerrard 3 2:12:40.40 51.20 mph 1st Prize - Winner of Ultra Lightweight Tourist Trophy, £20.
2 15 Freddie Morgan 175cc Cotton 3 2:17:11.40 49.51 mph 2nd Prize - £10.
3 10 Chris Stead 175cc Cotton 3 2:17:39.80 49.34 mph 3rd Prize - £5.
4 2 Geoff Davison 173cc Levis 3 2:23:00.40 47.49 mph Silver replica.
5 11 Harry Brockbank 175cc Cotton 3 2:26:59.00 46.21 mph
6 6 Tommy Meeten 173cc Francis-Barnett 3 2:44:43.00 41.24 mph
7 13 B.B. Smith 173cc Wee Macgregor 3 2:51:59.00 39.50 mph
8 8 Jimmy Oates 173cc Powell 3 2:54:32.00 38.92 mph
9 3 Alec Bennett 175cc Diamond 3 2:57:09.00 38.35 mph
10 4 Dan Young 173cc Wee Macgregor 3 3:07:07.00 36.30 mph
11 5 Doug Prentice Mackenzie 3 3:10:10.00 35.72 mph
DNS 17 Percy Dallison 170cc Omega-Norman Was unable to start and Gus Kuhn took over his entry.
Fastest lap: Jock Porter, 43min. 2sec. 52.61mph[2]

Sidecar TT

It was held on Wednesday, June 25th, 1924 at 2:00pm over a distance of 150  miles and 1,680 yards, 4 laps of 37.75 miles each. Sidecar TT machines were limited of cylinder capacity not exceeding 600cc. Out of 10 entries, nine started the race at one minute intervals and only five finished.[3]

The 13th International Isle of Man Tourist Trophy
Pos # Driver Passenger Bike Sidecar TT race classification
Laps Time Speed Prizes & Remarks
1 6 George Tucker Walter Moore 588cc Norton 4 2:56:34.20 51.31 mph 1st Prize - Winner of Sidecar Tourist Trophy, £20.
2 2 Harry Reed Joe Hooson 349cc DOT-Bradshaw 4 3:26:46.40 43.80 mph Silver replica for the driver and bronze replica for the passenger. Reed drove last two laps with broken forks.
3 10 Almond Tinkler N.R. Tinkler 349cc Matador 4 3:33:08.40 42.49 mph Silver replica for the driver and bronze replica for the passenger
4 9 J.W. Taylor R.J. Lilley 350cc New Scale 4 3:35:40.00 41.99 mph Silver replica for the driver and bronze replica for the passenger
5 3 George Grinton Tony Mahon 588cc Norton 4 3:36:27.00 41.83 mph Grinton's throttle wire broke on lap 1 and he rode the race holding it in his hand, which at the end was cut and bleeding.[4]
DNF 4 Bert Taylor C.R. Hirst 590cc OEC-Blackburne 3 Retired on last lap at Ballaugh with engine trouble.
DNF 8 S.E. Longman Arthur Kinrade 600cc Coventry-Victor Super-Six 2 Retired on lap 3 at Gooseneck with engine trouble.
DNF 1 Freddie Dixon Walter Denny 596cc Douglas 2 Retired on lap 3 while leading the race at Kirkmichael with engine trouble.
DNF 7 Alfie Alexander S. Ford 596cc Douglas 2 Retired on lap 3 while running third, due broken sidecar stay, pushing the machine in from Governor's Bridge to Start.
DNS 5 Freddie Hatton 596cc New Hudson
Fastest lap: Freddie Dixon, 43min. 32sec. 53.23mph[5]

References
  1. The Isle of Man Examiner page 5, Friday 27 June 1924
  2. The Isle of Man Examiner, Friday 27 June 1924
  3. Ramsey Courier page 3, 27 June 1924
  4. Ramsey Courier, Friday 27 June 1924
  5. The Isle of Man Examiner, Friday 27 June 1924
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