The current prop fits the hub better but there is room for improvement. I had not thought of the exhaust passage. I'll plug that. I had fit a...
I re-installed the fairing/ bracket that held a foil on the outboard leg. I removed the foil and vertical strut that held it so it is acting as a...
The hulls have a step just aft of midships. At about 10 knots the hulls aft of the step lift clear of the water. The hulls forward of the step...
Thank you. Should I angle the new AV plate up at the front a bit? Or is it parallel to the water flow?
Russell tells me those particular foils were for pitch control so more symmetrical section than might be ideal for lift only. My concern was that...
I don't know how well that foil worked. There was an article about the boat in Professional Boatbuilder a while ago. Russell Brown put one on his...
Can you suggest what the height of the AV plate should be in relation to the running waterline?
Yes, there is a retractable main foil between the hulls just forward of the CG. Several years ago I made a set of Beiker designed foils similar...
Yes, motor RPM. I think you are describing the situation well. If I'm looking at it right my 9 7/8 x 13 prop at 4500 motor RPM (2:1 gear...
Yes, motor RPM. 72 volts.
SolGato - Previous max RPM was 4500 @ 270 amps. Now max RPM is about 3800 @ 190 amps. I have been alone in the boat the first two outings so...
That's an interesting idea. It could work well with direct drive from an electric motor. Not super practical in tight docking spaces like I often...
This is all I have for a fairing. It is clear of solid water when the stern is lifted by the foils. Though it is in a lot of spray. The weight is...
Yes, a Yamaha 25. 20" leg. Three blade prop.
I have built a 6m electric foil assisted, stepped hull cat. Early tests were very successful. You can see in the photo that very little of the...
Maybe. The loads are very different. On a sailing cat the load is almost all lateral. On a foiler most of the load is up trying to lift the boat....
The foils create some lift as soon as they start moving and by the time Gizmo is doing say 5 knots the hulls are lifted a fair bit, reducing hull...
This motor's max rpm is 5000. About 1000rpm slower than the ICE. 4000rpm should get me close to my target 18 - 20 knots. This is my current...
That's a good idea, thanks. I see a 20amp fuse on there now so I'll try stepping down from there. My guess is about 15a start up amps. I have a...
