Dan - good questions. And Darin - good info.
At the risk of being slammed - our focus in D4 is to continue to build on P-limited racing. NAMBA hung their hat on motors supplied by rtr manufacturers with certain technical parameters. This worked in theory and actually worked for a couple years in practice. There are many threads on here that explain the reasons there are many of us taking a different direction. We'll let that rest.
In D4 we have decided to take the technical approach in finding and approving motors for our racing. The main parameter is to find motors that can power a boat in the 45 to 50 mph range. Not burning premature will also be a plus. This is the speed range that makes the spec classes work. Our approved motors so far are the ones already running (the ProBoats and the Aquacrafts) and now the TP 3630. This spring we will also be testing a couple others from other vendors. The key here is that the motors have to meet our "on water requirements" to make our list.
So for Spec motors we will be staying within a certain can size and kv. By finding motors within this size that have more wire mass as Darin alluded to, we think we can build a list of approved motors that will have longevity. Besides more wire mass, better quality wire will be good.
Doug
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