Knowing there are some great high performance engines available from KMB (https://www.kehrer-modellbau.de/en/kmb- ... -to-kamewa) that are high performance and reliable, I am creating a SB90 that is about 1060mm in length to fit these drive units. I have scaled the model by 1.6x and split the parts apart to fit on the prusa Mk2S bed.
Hobbyking makes a great motor that fits these units with lots of power and efficiency:
https://hobbyking.com/en_us/propdrive-v ... motor.html
My plan is to epoxyglass the parts together with section 4 designed for the larger KMB28 jet units- then possibly make a one piece mould for a true epoxyglass hull. The upper deck parts I'll print from ABS for durability and light weight.
photos below of progress so far- 2 sections left to print for the hull.
1060mm (41") version printed on the Prusa Mk2s
1060mm (41") version printed on the Prusa Mk2s
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