The rotor itself is just a flat disc of steel - you could get a 180mm one cut on a laser table, then rivet it onto the carrier. Might want to get a few cut, thinking about it.
This sounds expensive and difficult.
How do you set about unriveting the 160mm? How does one rivet?
@Dammit started
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The rotor itself is just a flat disc of steel - you could get a 180mm one cut on a laser table, then rivet it onto the carrier. Might want to get a few cut, thinking about it.