tb evo III
ok here's what i found.
Tamiya will release a limited edition 4-wheel drive chassis kit. Attaining the maximum performance available for shaft drive, taking R/C mechanics to new frontiers, comes a state-of-the-art 4-wheel drive chassis. Introducing the next evolution, the TB Evolution III.
*All new gearbox heightens ease of maintenance
*Lower frame has been made 5mm more narrow to prevent scraping of road surface when rolling.
*Size and weight (30g to 15g) of diff. gear has been reduced for increased drive efficiency.
*Bulkhead has been eliminated to achieve 40g weight savings
*Motor placement has been reversed for effective reactionary torque for increased weight balance.
*Battery positioning has been centered for overall increased balance.
*Shaking of drive shaft has been reduced for increased drive performance.
*Front one-way unit has been constructed with one piece for reduced shaking.
*Aluminum spur holder has been newly designed for reduced shaking of spur gear.
*Post connecting upper and lower frame has been centered for achieving more even role.
*Spur gear size has been increased to offset motor and reduce drive loss.