The energy comes from the Engine.... the other tyre isn't applying 'power' to the inner wheel. If the inner wheel DID manage to make traction (and the outer wheel lost traction.... which it would have to if you continue cornering) then the outer wheel WOULD 'slow' and that COULD be thought of as behaving like 'lack of release'. However, can you envisage a situation where the INNER wheel could hold traction when IT is the wheel that has been 'lightened' by the caster action and it is being FURTHER lightened by the tenancy of the kart to 'roll' onto it's outer side by the action of centripetal force acting above the contact-patch.
No.... the concept is :-
1) JUST the inside wheel loses traction
2) or, in a kart with immense power (or on a wet track) when the engine is 'detaches' BOTH wheels from their 'duty of traction'.
3) the last option is that BOTH rear wheels hold full traction and the kart overcomes the front wheels and you plough off (understeer) into the barriers'.
Some would argue that 'releas'e is when the inner wheel LOSES 'traction' 'releasing' drag (caused by lack of diff.). However, we KNOW that's wrong as we MUST have lost inner rear wheel traction at 'turn-in' or else wouldn't HAVE a 'turn-in'!!!
Ian
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