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Re: [PSUBS-MAILIST] Window Fogging / and other thoughts



    Hi Randy. Thanks for the tip. I was wondering if it would be of any help to run the recirculating air duct through a desiccant filled canister before the air blows across the face of the windows. I'm not too concerned about temperature, just fogging of the windows. I can always wear a jacket to keep warm.
     Because of the deep trench we have here off the coast of Monterey, the local water temperature stays around 55 degrees, winter and summer. This upwelling of cold, nutrient rich water makes for some great fishing, and the sea life here is awesome.
     I've been thinking how I could get some video of the Humboldt squid which have recently taken up residence along our coast. There's a lot of discussion about the recent crash in salmon stocks in the area, and many think it's partly due to the squid. Either directly attacking the salmon or preying on the food that the salmon eat.
    There have been some documentaries on the squid lately but the video is in short segments due to being taken by scuba divers with limited down time. I am hoping to get some videos of various types of critters that run much longer using the extended time available through the use of my little sub. It may even be possible to set up near the bottom and film a particular species or area for hours on end, giving me a better perspective on the activities and habits of the sea creatures.
    There are many opportunities to use a small submarine in the local environment to study little known or understood sea life. I will be contacting some of the local fish farms raising mussels, abalone,  and salmon to see if I can get permission to dive near their operations and hopefully provide them with some feed back on what goes on down there over an extended period of time.
    We also have a large whale migration that passes by here, along with the great whites that patrol the coast. I think there may be a market for local videos of the animals if it's possible to follow them around and capture them doing things like hunting prey, seeking mates, and generally just being fish.
    I'll be investigating these and other uses once the sub is operational.
    It's a big ocean, and the opportunities to explore and discover are almost unlimited.
    We have a large resident seal and otter population here as well, and they generally stay in one area, making them good candidates for extended videos.
    A trip down to the Sea of Cortez off Baja would be a dream dive. The sea life there is fantastic. Huge schools of hammerhead sharks, birthing whales, giant squid, and many other creatures are just waiting to be studied.
    I have some plans for modifications to my sub that will make it possible to travel longer distances on the surface, and stay down for many hours, possibly days, at a time. Due to the modular nature of my design, this can be accomplished with the addition of the larger rear section I'm designing. It will include an on-board diesel, extra batteries, gen set, air tanks and compressor, fuel tanks, and sleeping area. The new section should be able to be bolted on relatively quickly at the dock, or left floating there while just the small pressure hull is taken out for dives. I have some rough sketches of the concept and how it would all come together, and I'll be bringing those to the convention for feed back from the guys.
Anyway, thanks for the heater tip, and I'll see how bad the fogging problem is when I finally get this thing wet. Frank D.




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