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looking from a slightly different angle ,i like others on here have 700kg on 28 rollers ,poss 25kgs a roller ,you have 2300kgs over 44 rollers ,poss 52kg per roller ,i think you need more rollers !! , also when a wheelchair is in operation i suspect average load is 120kgs over four wheels ,again 30kgs per wheel being pushed over a smooth floor at very slow speeds !! .......personally i would rather see a parralell with wheels on a john deere trailed rough cut mower where some spec would need to be designed in, ha ha i did spot a valve for filling tractor tyres with water in the shed the other day ,maybe that would be a useful idea
personally i would tell your supplier that the tyres are not fit for purpose and get them all replaced with something more suitable ,maybe filling with OKO would be a useful addition !,what is the recomended pressure ,are you supposed to run them low pressure or high ??
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spy-sea-one
