Yesterday was rainy, and the forecast for tomorrow is wet too, so when the sun came out today we saw it as an opportunity to go see the Coit Tower.
Jari machined these steel fin moulds for the PIKANTO over the weekend. The fin will be moulded with a clear glecoat, one 200g carbon layer as a surface layer, and one 250g/m2 UHM UD carbon layer. We are going to use either cnc-machined balsa cores, or a 2-component epoxy foam core. The bulb attaches with an M3 threaded rod which will be moulded into the lower end of the fin. At the boat end we’ll insert a metal piece with M4 threads so the fin can be attached to the boat with an M4 hex screw.
I’m in San Francisco for the 54th annual meeting of the Biophysical Society.
also on Picasa: http://picasaweb.google.com/anders.e.e.wallin/SanFrancisco#
This is already my fifth BPS meeting, the previous ones were:
Elastosil M4503 is a condensation-curing soft white silicone I am now using for the PIKANTO bow bumpers. The RTV-615 I used earlier was an addition-curing silicone and cured in 60 minutes at +100C. This one will not cure faster at an elevated temperature. The datasheet suggests 24 h at room temperature, but I found 48 h was needed.
The second PIKANTO production hull was taken out of the mould today. It’s made with a clear gelcoat and will be painted later.
I’ve created a PIKANTO-Page which will have details about the project and future sales.
