You may want to consider the failure modes of anything you set up. Eg. flame goes out diesel keeps flowing = big mess, maybe dangerous. Since I'm not familiar with the heater, mayber this isn't a risk, but IAC things often don't work according to the rules and it's good to take into account the most obvious alternatives Murphy could deliver you.
Not to say it can't be done safely, just don't be too trusting. Re. Flow: There are at least a couple variables I can think of in setting the thing up. The size of the delivery tube and its length being the most obviously relevant. Also, if the tank is significantly higher than the heater, there should be quite a good siphon head. Seems to me you'd want to keep that can upright and use a dip tube pickup, even though that'd mean using some kind of hand pump (outboard fuel line squeezy?) to prime the new can. Or maybe if you're lucky and dextrous, there'd be enough fuel in the downward leg to pull the line full again after a change. All the gerry cans I've seen leak like a sieve, or at least want to, at the cap. You may only get uniform flow if the diesel is kept at a uniform temperature. If your boat needs to be ventilated for combustion air maybe you could make a sort of box chimney over the front hatch. A well-insulated little box with a few properly (don't ask me I don't know) sized holes in the top; the bottom is open and there is a grate near the bottom on which you stand a couple cans of fuewl. The box is sized to fit over the forward hatch. The idea is to get a little chimney effect with some warm air flowing up and out through the insulated fuel box, keeping it at room temperature; maybe use some baffles to keep wind from gusting back down too much, keep out rain. This only applies if you're going to have to ventilate somehow anyway. Probably make the grate which sits over the hatch and holds the cans a separate item, just plunk a box over that. But you still want to make sure you don't have a problem with excess fuel flow if the heater quits. My .02. Cheers Rufus -- Want an e-mail address like mine? Get a free e-mail account today at www.mail.com!
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