blower

[ontario guy]

how many CFM do you guys have on your blowers for a 2 x 6 evaporator?

[cheesegenie]

ontario guy, sorry I don`t know anything about blowers, but I see
you have a homemade evaporator. I am in the process of making
somthing up, will be about 6 feet long, I have an old Grimm
front and doors that are too big , but anyway my question
is; how far should the flu be from the bottom of the pan(all
flat bottom)?Thanks.

[WESTVIRGINIAMAPLER]

If you are talking about your exit flue, you would want it as close as possible to the bottom of the rear pan(s). One thing you can do is to flatten the pipe out and make it as wide as possible or build something similar to the base stack on an evapoarator. The wider the flue is at the back of the pan, the wider the fire going out the flue. The lower the flue is below the pan, the more it is sucking the heat and fire down away from the pan. I hope this is the answer you are looking for?? :)

[cheesegenie]

That makes sense. I wonder how thick the metal has to be
on the base stack to take the heat and not warp?I have a lot
of 1/8 sheet from old electric panels was going to use for sides,
then line with brick. Do you think that stuff would do for stack
base? Thanks.

[WESTVIRGINIAMAPLER]

I have used the old thin wall regular cheap stove pipe in the past when I used a homemade setup for years and it worked fine. 1/8" would probably last for many years as long as you keep the water from running down it and rusting it out. :D

[Maple Flats]

The base stack on mine was supplied by Leader and I would think it is about 20 ga. which is way less that 1/8" but not sure of the thickness in inches. Just keep it dry especially between seasons.

[digman_41]

I installed a blower on my 2'8 evaporator. I purchased a 6" heat duct booster fan which I got for around $25.00 a 16" register base 2' of 6"galvanized duct and a reostat for the varible speed. It cost less than $50.00 for the whole setup. Belive it or not it worked much better than I had expected. I would definitely reccomend it as long as you are already using a tall and large enough stack.
Mark

[VA maple guy]

Maple Flats 20 guage pans should be about (.36" thick)
.125" is 1/8"
Gerry

[WESTVIRGINIAMAPLER]

Gerry,

Might have that a little wrong. 20 gauge is probably closer to .036" inch thick than .36". That is over 1/3" thick??? 8O 8O

I have no idea on the thickness, but that is what my pans are and it would be 1/16" of an inch or less. :?

[sweetwoodmaple]

To your original question, I built one recently at 265 cfm. That seemed to barely do it (fans run full tilt) for my 2 x 6 with 10" stack. If you have a Grainger account (or know someone who does), they have a good selection of fans.

[Parker]

The blower on mine is a squirl cage off a furnace,,I rigged it to a reostat BUT when the reostat is turned down below half way the fan moter just hums(and the lights get dim, auto drawoff dose funny things) and will not turn the belt,,,My sugar house is wired to my welder generator,,,via a regular extension cord,,part of my problem?? I am not an electrician! Suggestions appriceated

[Maple Flats]

I looked it up, 20 ga sheet metal is indeed .036 inch thick.

[mapleman3]

Parker, your fan may have a run capacitor that is not agreeing with your reostat... you may need to go to different sized capacitor, how to know what size?? that I'm not sure, Syrupmaker may be able to help you out on that if thats the problem.

[VA maple guy]

I guess i forgot the zero. oops :oops:

[Maple Hill Sugarhouse]

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