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1/5th f1 provisional rules

1/5th f1 provisional rules

Old 04-10-2003, 06:02 AM
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Default 1/5th f1 provisional rules

These rules superseed any 1/5th sedan rules otherwise all sedan rules

All cut-outs must exist also in the full size car. Cuttings for engine
and fuel tank are allowed in the area of
the tank seal, starting device and adjusting screws for carburettor
i.e. choke, neutral gear etc. The engine
cut out button must be clearly labelled
on the body for others to see easily, with the same sign use in 1:5.
Minimum weight dry 10.000 g
Width Formula maximum 450 mm (incl. tyres)
Height maximum 250 mm
Wheelbase 620 mm +/-15 mm
Tires front diameter 142 mm +/- 5% = 134,9-149,1mm
Tires rear diameter 142 mm +/- 5% = 134,9-149,1mm (front and rear tyres
must have the same
Tire width front minimum 60 mm, max. 75mm
Tire width rear maximum 85 mm, rear wheels must be min. 5 mm wider than
the front wheels
Rims outside diameter 80mm +/-5mm, indicators must be the same on tyres
and rims.
No mixture of +/- allowed
8.1.2 TYRES
Tires must be semi-pneumatic rubber grooved type (4 grooves) Min. depth
1 mm before the start.
In case of rain the use of rain tyre can be allowed by the race
Only 2 complete sets of tyres are allowed for the heats and will be
marked by technical inspection with the
registration number of the driver.
Only one engine allowed. The race director may decide an engine
replacement of the same type in case
of catastrophic failure. The replaced engine will be kept in race
control till the end of the event. The
chemical treatment of tyres by adding any tire traction moistures or
other chemicals/additives is not
allowed. Tire cleaners are not allowed.
8.1.3 ENGINE
Only one marked engine allowed. The race director may decide an engine
replacement of the same type
or repair in case of failure. The replaced engine will be kept in race
control till the end of the event.
Drivers asking for engine replacement will be placed at the end of the
grid at his first final.
Max width 375 mm max. cord 120 mm, /No part of the front wing may
exceed the centerline of the front
wheels. The front spoiler must be fixed at the chassis, so that it can
bend up or down in case of an
The rear wing must fit into a side profile box of 95x120 mm. The number
of added wings inside is free.
The rear wing must not be wider than the space between the rear tyres.
The front part of the car should not overhang the centre of the front
wheel by more than 230 mm. The rear
wing and a the diffuser should not overhang the car by more than 120
The width of the side-pods must be min. 10% less than the overall
width. They should not be higher than
the tires.
Air box and muffler have to follow rule 6-47
Tank size, engine rules, etc have to follow 1:5 scale. 6-45, 6-45.1, 6-
45.2, 6-45.3, 6-45.4, 6-45.5, 6-45.6, 6-45.7, 6-45.8, 6-45.9, 10, 11,
and 6-48.

Exhaust outlet pipes must exit within the body shell side pods and
point down to the track
8.1.8 F1 WINGS
Front and rear wing are part of the bodyshell of a F1 car and must be
repaired immediately if they get
damaged or come off the car.
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