Reply To: Support Class (M Chassis 2WD) Discussion

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Team XpressTeam Xpress

We hope these simple rules will make for exciting, close, racing for all drivers.
Formula 1
Brushless:- any brushless speedo to max retail cost of £100
BRUSHLESS 21.5T only or NO LESS THAN 20T brushed or the combo
HobbyWing EZRun Combo Max10 3652SL 3300kv Brushless Motor
No other brushless winds motors are permitted at this time. Speed controller software must not be altered in any way. Altering the standard parameters using the supplied programmer device on its own is allowed.
Any commercially available sealed can motor with no less than 20 winds (These must be Mabuchi style, sealed motors with enclosed endbells that do not permit changes to brushes, springs or timing).

Formula 2
Tamiya silver can motors only
Silver can motors from other manufacturers such as Mardave are not permitted
Motors must not be tampered with in any way such as altering the timing
Rules for Formula 1 and Formula 2
General Rules:-

Geared or ball diffs permitted
Any 2 wheel drive Tamiya mini (M03, M05, M06 including Pro versions, M07, M08). 
Maximum size pinion: 20T
The MG Evo is also permitted, but the primary gearing must be 28/80. No alterations to other gearing
Xpress M1 maximum gearing 64dp 112/37 FDR 5.71 or 48dp 78/26 FDR 5.70
Speed tuned/fast gearsets are not permitted (including differentials)
Chassis modifications to the battery hole are not permitted
HOP UPS: Any commercially available hop up maybe used, no chassis conversions allowed
Minimum weight is 1250g
Giros Are not permitted at all
7.4v 2s LiPo (or 6 cell NiCad or NiMH) no higher than 10amp charging AND ALWAYS IN A LIPO SACK
Any Mini tyre on a 42mm rim (no double inserts or foam tyres) RUBBERS ONLY
Ride Height:-
Minimum 5mm
Permitted Bodyshells:- scale bodies only
Only wings supplied with the bodyshell are permitted for use on the bodyshell, no additional wings are allowed.