using a tipi type shelter without a inner of bivi bag ?

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ton
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using a tipi type shelter without a inner of bivi bag ?

Post by ton »

i have a tipi type shelter, used with a single walking pole.
using it without the inner would half the weight and packsize, so i was gonna try it with just the outer, with some tyvek for my mat lo lay on.
good idea without a bivi bag ? or would my kip bag get wet with dripping condensation.
ScotRoutes
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Re: using a tipi type shelter without a inner of bivi bag ?

Post by ScotRoutes »

Condensation will depend on how well it is vented. Pitch it off the ground a bit, leave a door open etc.
ton
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Re: using a tipi type shelter without a inner of bivi bag ?

Post by ton »

it has a couple of vents in the top.
used it last week for the 1st time. bloody ace. loads of room and up in 3 minutes.
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Bearbonesnorm
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Re: using a tipi type shelter without a inner of bivi bag ?

Post by Bearbonesnorm »

Remember that in order to reduce condensation you need air flow Tony. Pitch it too low and no amount of top vents will help. Think of it as a chimney or an engine and you won't go far wrong :wink:
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Lazarus
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Re: using a tipi type shelter without a inner of bivi bag ?

Post by Lazarus »

what they said + pitching location +weather/humidity/dew point

Drafts are certainly your friend though
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fatbikephil
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Re: using a tipi type shelter without a inner of bivi bag ?

Post by fatbikephil »

Done it a few times in the deschutes (when no midges or errant slugs are guaranteed...) and I'd agree its a nice thing to do, particularly at -5 in your winter bag. Condensation is not that much of an issue as it tends not to drip, just collect on the inner. I just be careful moving around in the morning..
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psling
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Re: using a tipi type shelter without a inner of bivi bag ?

Post by psling »

The tarp can actually be a sacrificial vapour barrier under certain circumstances; by providing a surface for condensation to form on it can stop it forming on the surface of your sleeping bag. As ht says, just be careful not to brush against it.
If there's a temperature differential and a source of humidity then there is likely to be condensation on a surface somewhere. Ventilation can reduce the temperature differential.

disclaimer!: It's a long time since I studied condensation (in buildings) but the principles are similar :cool:
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Supernova
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Re: using a tipi type shelter without a inner of bivi bag ?

Post by Supernova »

I never use my Locus Gear Khafra with an inner, though I do use a groundsheet that I think helps keep moisture down. It’s so massive that touching the sides is never a problem even with two occupants!
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