Storm shelter option


The storm shelter

This is a unique feature of the RSK ; the ability to be converted to a storm resistant shelter within 5 minutes.

Tents cannot do this as they do not have a seperate built-in roof.

By removing just 2 of the support poles of the steel frame shelter the resulting lower profile shelter can withstand extreme weather conditions.

The family can then work while inside this survival shelter to further anchor the frame to the ground and ensure that it cannot be blown away.

The same easy adjustment applies to the bamboo frame shelter .
In this case it is easier to simply replace the two support poles with short 1 metre poles (see bamboo RSK).


High speed wind tunnel tests on the storm shelter at the

engineering department of University of West of England (UWE).

The shelter remained intact and we are now awaiting the data that will be published when the dissertation is complete.

The same storm shelter undergoing wind tunnel testing. Note the extreme flexing of the tarp over the frame.

The storm shelter options explained.

Storm 1

Option 1:

By removing a support pole from each side the wind profile is reduced for storm conditions. This takes only 5 minutes.


The main tarpaulin can be anchored to the ground along an additional third of its length at both ends.


Option 2:

In severe storms, removing a further two pole sections from the lower frame reduces the wind profile still further and provides a "secure capsule" for occupants.


The increased incline of the roof improves the living space and water run off. In this demonstration the side walls have not been built.

storm5 (1)

Option 3:

This simple device that can be made made from a steel tent peg enables the poles that have been removed from the frame in options 1 and 2 to be used for additional support if required.

Here the device is shown inserted in the end of a pole ready to support the frame

storm5 (2)

Supporting the ridge pole.
The device can be cross lashed
 in position if required.

Spare section supporting ridge pole.
Support can also be given to the central part of the frame if preferred.

storm 8

Available living space is surprisingly good due to the central support to the tarpaulin provided by the reciprocal frame roof. This central roof support is not provided by a conventional "A" frame tent.

The ability of the shelter in this storm set up to be worked on from the inside provides additional stability. In very high winds it is possible to secure the roof further with direct guy ropes from the inner frame to the floor if required.

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