NACA Runner Slip Joint Seal

Here you can see we’ve glassed Triax over the stub-to-runner seam. I saw Andy do this and liked it. However, after it was cured I didn’t think it mated or “pushed up” enough on the seam to seal it. So I decided to retape the runner, lay some BID on there, schmooey across that to […]

Engine Cooling Runner Diversion Duct Glassing

Here you can see we’ve added angled ducts to the sides of my NACA runners. I hope to do two things here, well, maybe three. I don’t want to suck rain (1) into the engine, so I was moving to the side discharge. I would also like to get better ram air flow (2) into […]

New Engine Cooling Plenum

So, we’re building this new cooling plenum. My engine always cooled fine, but I had issues with the runner to NACA junction and the plenum was a little fragile the way I had cut the built the runner-to-plenum junctions. I also wasn’t very happy with the wire grommet or spark plug and oil filler access. […]

New Engine Cooling Plenum – Rear Extension

Here you can see we’ve extended the cooling plenum onto the engine. You can see we’ve used my buddy Andy’s trick of waxing the engine so the glass doesn’t stick. Andy has gone to a bunch more effort to seal off his engine, but since we didn’t have cooling issues before, and we expect our […]

More Cabin Heating from Engine Oil

Here are some pictures for you of the new heater installation. Here you can see the new duct that replaces the one from the NACA and accepts the air from the bilge fan. We still use the standard flapper valve to take the air to the keel or dump it overboard. In the keel we […]

Cabin Heating Improvements

No picutres yet, but Bob has been glassing in a flox flange below the flapper valve that seals off of the overboard hot air dump duct. This never quite sealed right, but we didn’t consider it a big deal when we had a ton of NACA air to supply. Now that we’ll only have bilge […]