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Colin Krusor (ckrusor) - BPL Premium Member

My Locale Northwest US
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CityPortland
StateOregon
CountryUS

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All Forum Posts by Colin Krusor

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Seam
Jesse, is the perimeter seam sealed? Sorry if you mentioned that already and I just missed it.

In Make Your Own Gear » First MYOG Bivy...
September 10, 1:52pm

silnylon
I agree with Roger. Silicone is much more resistant to damage by heat than urethanes. The peeling that you saw was probably due to hydrolysis. At elevated temperatures, urethanes react chemically w...

In GEAR » PU and silicone coated fabric and heat
September 09, 5:07pm

Punching foil
There are several archived threads on this topic. As Bob and Gary say, a STURDY paper punch often works. In my experience, a paper punch is likely to work better if it is one of those that has a sh...

In GEAR » Punching holes in titanium foil
September 02, 5:00pm

Sketchup
There are several different Sketchup plugins that will do this. The oldest of these is called Unwrap. There are a few others, including one specifically for inflatables and other "organic"...

In Make Your Own Gear » Software for making patterns?
September 02, 4:53pm

Double pad
I agree that an ultralight double-wide pad is long overdue. In my opinion, though, the best design would segregate the two chambers (with separate valves for each half). Otherwise, the side occupie...

In Make Your Own Gear » Double quilt with draft flaps
August 30, 7:45pm

Quilt
Derek, I'll take a photo of the packed quilt over the weekend. Robert, we use two Synmat UL7s that I sewed together along a side seam. The side seam is about 1/2" wide on the UL7s, ...

In Make Your Own Gear » Double quilt with draft flaps
August 30, 4:32pm

Film
Yes, as you point out, the impact strength of UHMWPE is amazing. I think it is substantially higher than any other polymer. This will be an interesting test. I don't know of any other exper...

In GEAR » alternatives to Cuben Fabric?
August 29, 10:45am

UHMWPE film
UHMWPE film and fiber are very different. UHMWPE film is in no way a substitute for a composite of UHMWPE fibers (like cuben). Consider carbon as an analogy. Carbon fiber composites (including ...

In GEAR » alternatives to Cuben Fabric?
August 28, 1:57pm

Double setup
Derek, my wife and I share a Zpacks twin quilt and two Exped UL7 Synmats that I sewed together along the side seam allowance. On the UL7s, the side seams stick out about 1/2", leaving plenty o...

In Make Your Own Gear » Design advice for making a two-person sleeping system?
August 27, 6:42pm

Material
Tom, the implication you inferred from that quote is not as clear to me as it is to you, but it would be interesting if it came to light that Opsaks are a multilayer film. The Opsak material is sof...

In GEAR » My scumbag opsack is now putting out an odor! :-P
August 26, 4:10pm

All Reader Reviews by Colin Krusor

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