When I did ours, I had to order stepped keyways. The sprockets and chains offer more strength than the flex couplers, mine were cracked from age and stress.
First mark the position of your shaft and support it in place. I used some webbing and supported it from above. Use a three-jaw puller to remove old coupler. I used a wood clamp on my shaft to reduce the slide. I then used a sand hammer to pop the chain hubs and keyways onto the shafts. It's a juggling act for sure. It worked, my install was in the water, I was afraid of running the props into the rudders.
John
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On Wednesday, July 6, 2022, 11:05:12 AM EDT, <anton.slutsky@gmail.com> wrote:
Hello group,
New here, question for the group. Converting a Cal 2-29 to electric using Thunderstruck kits. The kits come with a chain coupler, but was wondering if anyone had any experience using a flange coupler instead? Not that I mind pulling the current coupler off the shaft, but the boat is in the water and if I can avoid tugging and banging on the shaft, would definitely be better I think :-).
Would anyone had any experience with Thunderstruck kits and flange couplers?
TIA!
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