1933 Mannin Moar
| Race details | |||
|---|---|---|---|
 |
|||
| Date | 14 July 1933 | ||
| Official name | I Mannin Moar | ||
| Location |
Douglas Circuit Douglas, Isle of Man United Kingdom |
||
| Course | Street circuit | ||
| Course length | 7.4 km (4.6 mi) | ||
| Distance | 50 laps, 370.1 km (230.0 mi) | ||
| Weather | Dry | ||
| Pole position | |||
| Driver | N. Rees & A.W. Fox | ||
| Time | Grid positions were drawn by ballot | ||
| Fastest lap | |||
| Driver |
 Brian Lewis
|
N. Rees & A.W. Fox | |
| Time | 4:10.0 | ||
| Podium | |||
| First | N. Rees & A.W. Fox | ||
| Second |
|
T.E. Rose-Richards | |
| Third | G. Eyston | ||
The 1933 Mannin Moar (formally known as I Mannin Moar) was a Grand Prix that was held on 14 July 1933 at the Douglas street circuit in Douglas, Isle of Man, United Kingdom. It was the twenty-third round of the 1933 Grand Prix season, but it did not count towards the championship. The race, contested over 50 laps of 4.6 mi, or 7.4 km, was won by Brian Lewis driving a Alfa Romeo 8C 2300 Monza after starting from pole position.
When the R.A.C. wanted to organise a race on a street circuit, because of the popular Monaco Grand Prix, they found that it was illegal to close public roads for racing in the British mainland. However, the Isle of Man had its own laws, so a racing circuit was designed on the streets of Douglas. Two races were organised, Mannin Beg (English: Small Man) for non-supercharged voiturettes with engines smaller than 1500cc on 12 July 1933 and Mannin Moar (English: Great Man) for cars with engines over 1500cc and supercharged voiturettes on 14 July 1933.
Riding mechanics were mandatory for all cars. This was possibly the last time this rule was used in Grand Prix motor racing. The purpose of this rule was that the mechanics could signal to the flag marshals that their drivers wanted to pass a car in front, so that the marshals could flag that car to get out of the way. On behalf of the drivers, Earl Howe wrote a letter to The Motor complaining that the rules were considered an embarrassment and would turn races from international events into second rate affairs. The R.A.C. however stuck to their ideas. As said, after this race the rule that mandated mechanics was never again applied.
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