Wednesday, August 10, 2022

[electricboats] Kiwiprop

Hello everyone, 

I replaced the old two blade folding prop last haulout with a 3-blade kiwiprop and mostly it performs well. Only issue is when reversing, or rather getting it into the reverse position. I knew that it needs to be "jerked" into reverse as with an old diesel when you put it into gear it instantly snaps into reverse from stationary.

If I put go from idle to almost full aft power its enough to overcome the spring pressure but quite often I'm too slow or whatnot and the prop stops at about 45 degrees pitch which creates alot of load on the motor making the belt skip on the pulleys. Anyone with similar experience or a way to fix it? 

I have a 10kw Thunderstruck kit with a Sevcon Gen4 controller and a 2:1 belt reduction. 
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