- Mar 10, 2019 at 10:36 pm #3582786
Recently bought a 750ml Toaks pot from Zelph, with the ridge added (what a prize!). If down makes good insulation for humans, it certainly can make good insulation for my pot. A fully baffled, 1.5cm thick down cozy, with 0.5oz DCF on the inside and some downproof fabric (1.1oz Impetus) for the outside. Bug netting for the baffles. 1/4″ seam allowance
Most of the pieces:
Baffles sewn to inside first:
Bottom of cozy sewn on:
Outside sewn on, and marks placed on both the baffles and the outside surface so no twist is started off with:
Bottom three baffles went ok, but wait for the top one…
Two tries gave me this result for the top baffle. I was sewing through three layers (side, diagonal baffle, and top). I unstitched it a third time…
and ended up putting many marks to line up the sides with the baffle. The baffle was sewn first, then the top was sewn on.
DCF holds a fold very well, so it makes a good material to edge bind that last seam:
The inside seams were all taped up with DCF tape, 1/2″ wide, to prevent steam from getting to the down:
To stuff (as it was completely sewn up), I used a method I have used before (on another down cozy). A 1cm long slit was cut on the inside for a chamber, and the down was stuffed inside using tweezers (down taken off the bug net covered vacuum hose). Then the cut in the DCF is taped shut. 20% overstuff, but I might come back and put some more in. Total weight is 12g, with about 4g of that down.
Inside a stuff sack, this can be placed inside the pot to keep things from rattling. When in use, the pot sits on a 3/8″ thick disk of CCF to insulate it from the ground. This disk goes inside the pot as well.
SteveMar 10, 2019 at 11:51 pm #3582796
Franco DarioliBPL Member
How does DCF take to the heat ?
(from the hot pot)Mar 11, 2019 at 12:01 am #3582799
Just fine, no issues. My other cozy has many, many ‘miles’ on it. It has DCF on both the inside and the outside, and I can’t feel or see any difference.Mar 13, 2019 at 9:39 pm #3583340
J RBPL Member
Cool project! My first question is the one Franco asked, because DCF has such a low melting point.
My second question is whether you have run any tests for heat retention compared to a cozy made out of reflectix or CCF, for example bring a half liter to a roiling boil, place in cozy, then measure water temp after 15 minutes.Mar 15, 2019 at 9:01 pm #3583743
This weekend I’ll test my down cozy vs.a CCF cozy that I have made for my Evernew 600. I did a qualitative test between CCF and reflectix years ago and it was no comparison, the CCF was considerably warmer after a period of time.
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