Tunnel tent/double poling question

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Tunnel tent/double poling question

Postby Moondog55 » Mon 25 Jul, 2022 12:00 pm

My winter tent is set-up to allow double poling to increase strength.
I have a spare long pole here that I was thinking of adding in, just in case of really bad Alpine weather.
The second pole is a DAC Featherlite green tho and smaller in section than the supplied poles.
The spare pole is 8.05mm but the supplied poles are bigger at 9.3mm.
It's a partly academic query as I'll be selling the tent soon but I'd like to be able to inform the new owner about the strength increase over the use of the single pole.
I'd like to think that adding the slightly smaller extra pole would increase by 50% but I could be wrong, it may be less or more.
I need to shorten the smaller pole to the same length; am I right in assuming it's better to cut a little from each end that 100mm from one?
Ve are too soon old und too late schmart
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Re: Tunnel tent/double poling question

Postby Franco » Mon 25 Jul, 2022 1:21 pm

Not sure either but I would think that a 50% icrease would be a conservative estimate.
Yes, cutting 50mm at both ends would be better.
I discussed this with Henry Shires at Tarptent when I was making shorter section custom poles for bike riders.
Can't remember the minimum suggested for the 8.6mm poles but there was definatelly a safe minimum.
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Re: Tunnel tent/double poling question

Postby EGM » Mon 25 Jul, 2022 6:10 pm

This is of no relevance to me personally but what is the reasoning behind shortening the poles at both ends? Is it to ensure the weak points are at the same point on both sides?
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Re: Tunnel tent/double poling question

Postby CraigVIC » Mon 25 Jul, 2022 7:18 pm

EGM wrote:This is of no relevance to me personally but what is the reasoning behind shortening the poles at both ends? Is it to ensure the weak points are at the same point on both sides?


Ends up with two shorter sections rather than one very short section.
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