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Roger Caffin (rcaffin) - BPL Staff

My Locale Wollemi & Kosciusko NPs, Europe
About Me Research Scientist. Been walking all my life, mainly off-track - we don't have 'trails' here, and I always go with my wife. Summer and winter, lowland and highland, Australia and Europe. Forced into UL gear by heavy packs and increasing age. :-)
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All Forum Posts by Roger Caffin

Showing 41 - 50 of 10076 | Page: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 ...1008


Forum » Thread

Re: could this vapour mesh actually do something ?
Hi Woubeir > one of the factors for creating vapour pressure in a closed container is the > largeness of the contact area between fuel as a liquid and fuel as vapor? True, it would be on...

In GEAR » has anyone tested the new Primus winter gas?
February 25, 6:41pm

Re: Re: Re: El Ninos vs La Ninas indicate cooling of Pacific ocean
Hi RogT > Here's a supersized plot of the 98 El nino vs solar activity I can guess the horizontal axis as being years, but what are the units on the vertical axis? I cannot see any labe...

In Chaff » The Carbon Flame War
February 25, 5:50pm

Re: Accurate Temperatures with IR
Hi Clifford > I am surprised that the temperature was not just pre-calibrated by placing the heat > transfer fin in an oven at a known temperature and adjusting the emissivity to get >...

In Editor's Roundtable » The Evolution of a Winter Stove - Part 5: Infra-Red testing
February 25, 2:21pm

Re: Science!
> Does this hint at another run of stoves? That's being considered. I have a small list of names of people who want one if more ae made. But I don't want to have to buy another box of ...

In Editor's Roundtable » The Evolution of a Winter Stove - Part 5: Infra-Red testing
February 25, 2:17pm

Re: Re: Help with titanium pots
Hi Sarah > Don't expect to be able to cook in a pot for 2 in under 1.3 Well ... that might be a little harsh. I use a 1.5 L ti pot for Sue and myself, and have been happy with it for the...

In GEAR » Help with titanium pots
February 25, 2:55am

Re: Re: Candle Stoves
Hi Dan and Jerry I saw a brief mention about candle stoves from Russell in a Forum thread and asked him to write it up. He did. I do not frequent YouTube so I have no idea of what name he was us...

In Editor's Roundtable » Candle Stoves
February 25, 2:49am

Re: Re: The Evolution of a Winter Stove - Part 5: Infra-Red testing
Hi Jerry > question how useful those IR sensor thermometers are. Must have the same problem of > the effect of emissivity? Yeah, the emissivity is going to upset things a bit. However...

In Editor's Roundtable » The Evolution of a Winter Stove - Part 5: Infra-Red testing
February 25, 2:38am

Re: Re: Re: Re: Coal fired emissions
Hi RogT Thanks. Interesting stuff. Cheers

In Chaff » The Carbon Flame War
February 25, 2:29am

Re: Re: Coal fired emissions
Hi Rog > the real cause of acidification in lakes over in Sweden is planting evergreen trees > right to the lakesides. I have not seen that. What published research articles I have read ...

In Chaff » The Carbon Flame War
February 24, 4:39pm

Re: PM
Hi Sam > Alas, I am not able to reply to PMs, Um - just checking. You do know you cannot 'reply' to PMs? You have to click on the link that is provided to get the send-a-PM page. Jus...

In Make Your Own Gear » myog mountaineering cuben tunnel tent?
February 24, 2:35pm

All Reader Reviews by Roger Caffin

Showing 1 - 4 of 4 | Page: 1



Skinny Skis, Jacksons Hole XC Skis
My wife and I had to re-equip with new XC skis, NNN-BC bindings and boots this year. We found several companies which could supply the models we were looking for and ship overseas (to Australia), and ...

In 1 - COMPANIES (Customer Service)
October 28, 3:08pm

Darn Tough Vermont Socks Customer Service
I got a pair of the DTV boot socks in a BGT Test. I gave them hell for four months. It didn't seem to have had any effect on them. Roland B is a very helpful guy too.

In 1 - COMPANIES (Customer Service)
May 06, 3:53am

Coleman Exponent Xtreme Stove
I have been using the Xtreme in the snow for many years. I have never ever had any problems with it. It lights and runs completely reliably. It will run down to -26 C (-15 F) because the gas mix in t...

In Stoves - White Gas
October 24, 4:17pm

Snow Peak Gigapower Ti
I've used mine for ... many years now. I was initially irritated by the valve off position, but then I wondered: It is otherwise superbly made: what if the valve position is deliberate? Why would th...

In Stoves - Canister
December 29, 10:04pm