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[APML] Dry air purging--thanks Joe



Hi Joe--thanks for providing the specific tips on using the drierite
setup. It looks perfect for my outings! And there's a hobby shop not far from my
office so I should be able to get just about everything I need in pretty short order.

I drop a note and let you know how things work out.

Thanks again--Steve

Joe Mize wrote:

> Steve;
>
>      If you're building a dry air setup like Herm's you'll need the filter.  If
> you get one of the Drierite canisters,
> http://www.drierite.com/default.cfm?goto_page=page5.cfm it already has a filter
> built in.    Notice the white line at the top an bottom of the desiccant, that's
> about 1/4" of cloth-like filter material.
>
>      The 26800 canister costs only $47.28, a pleasant surprise these days.  When I
> received mine I was impressed by its quality and heavy construction.  The
> desiccant is spring loaded between the two filter pads and the canister is sealed
> with an O-Ring.
>
>      You don't need a high flow rate, just enough to displace the moist air in
> your camera.  The 26800 canister lasts me at least 7 full nights, sometimes 10, in
> Central Fla before it needs to be recharged.  To recharge the Drierite it takes
> 1hrs @ 425deg.  My total cost was about $60, but you can spend more if you get
> carried away you get with your fittings and air pump.
>
>      HINT #1:  I used 1/4" RC Airplane Silicon Fuel Line to maintain flexibility
> in the winter.
>      HINT #2:  ACE Hardware soft plastic pipe end covers, seal your lines when not
> in use...joe  :)


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