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The Cave from Heimplanet

A new and potentially innovative geodesic structured tent


Posted: 5 August 2011
by Nikalas Cook

A multi-chamber system within the frame should ensure good stability

It’s not often that someone does something new with tent design but the Cave from Heimplanet certainly looks to be innovative and when Jon is back from his hols next week he’ll be checking out the Cave in more detail, so watch this space. In the meantime, here’s what Heimplanet have to say...

A highly innovative and technical tent, The Cave, from Heimplanet, is a stable and rigid geodesic structure, which utilises flexible TPU beams, filled with air, to support the attached flysheet, meshed inner and groundsheet.

Intuitive and extremely fast pitching allows the interlocking beams to inflate from one of five valves, and only a minute is needed to roll The Cave out, locate a valve, and inflate the diamond shaped frame with the included pump.

The innovative design of the tent features a multi-chamber system within the frame, ensuring stability even in the event of any deflation. Five separate tubes combine to create The Cave’s frame, with the whole tent able to inflate via any section. Once fully inflated the connectors between the different sections can be simply locked off, ensuring any air loss in the frame would only affect a fifth of the overall structure, leaving the flysheet and inner tent still fully suspended and useable.

Weighing only 5kgs, The Cave can comfortably sleep three people, and packs away into its carry bag just as quickly as it was pitched, simply by releasing all the valves and rolling the tent back up.

Stefan Clauss, co-designer of The Cave, and co-owner of Heimplanet, says, “The Cave was designed for owners to have a good time, and be grateful of [their] experiences. Heimplanet want you to be at home on all your travels, while being free to explore the different cultures of new surroundings.”

The Cave is intended to be a home away from home, allowing new challenges and experiences to be easily sought. Speedy pitching provides owners with more time to do what they love, and the solid structure provides shelter in the most isolated environments.

Stefan is confident in The Cave, “[it] is technically advanced and easy to use, whilst being coupled with good looks and performance”, and it will be the envy of anyone attempting similar adventures."

RRP £550

For more information visit www.heimplanet.com

For stockists call 0116 234 4611 or email sales@burton-mccall.co.uk


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"...it will be the envy of anyone attempting similar adventures."

Posted: 05/08/2011 at 11:43

and you put it away by rolling it up and putting it in its bag - now that is innovative!

Posted: 05/08/2011 at 12:29

The external frame structure feels wrong to me*; it means that attachment points to the tent are under large, point loading.  If the frame were inside the tent, the load would be spread across the entire fabric surface in contact with the frame, thus massively reducing the point stress.  Not only that, but the air beams must be stiff enough to support the point loading, and thus must be able to withstand a higher pressure (hence likely to be a heavier fabric/PU bladder).

Whilst the external frame does mean an 'uncluttered' inner, it also means that the frame has to be substantially bigger than the tent, adding more weight (maybe one reason for the 5.5kg?), cost, etc.  Since a tent frame is, by its nature, something that it is in the corners of the structure, an internal airbeam frame wouldn't actually use up too much useful space.

So, on the whole, I think an airbeam tent is probably better off with an internal frame, which could coincidentally be used to provide an offset inner (in which case no internal space would be lost...)

* the same is true of any point attachment externally-framed tent, IMHO.


Posted: 05/08/2011 at 14:03

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