Simpler Power Sled

by Jose Gonzalez
(San Jose, CA, USA)

Close up

Close up

Close up
In flight

A while back I asked about the function of the partitioned cells in the Power or Double Sled Kite.

I decided to test the design with simple cells instead of partitioned. It works. I eliminated seven panels from the original plan and the results are excellent.

May you all find great winds to fly.

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Spars
by: Tim Parish

I see. Well it's nice that you have achieved some optimization anyway, in that some weight savings have happened without ruining the flight characteristics. Perhaps it has even helped them! The lighter the better, as long as everything stays in shape.

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Simpler Power Sled
by: Anonymous

In fairness, Tim, this large Power Sled requires spars due to its tendency to fold in half. This model is 5 feet long and 4 feet wide. It is built with 1.5 oz ripstop fabric from the fabric store.

The commercial model has six spars running all the way along the kite, including one for each tube to aid it to remain inflated.

I built the pockets for the tubes but did not need to use the spars, so it flies with only four spars. I also reduced the length of the spars so they don't run the length of the kite but only up to 4 feet (the length of my carbon rods).

Once you get into large kites, it is very hard to keep the purity of a non-spar soft kite. Nevertheless, when you see the fruit of your labor up there in the sky (after a few broken needles) and you hear the comments of people passing by, you forget all about the spars.

: )

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Flexible kites
by: Tim Parish

Thanks for the photos - glad the design turned out as a good flier! The great thing about flexible kites is that you are not affected by the availability or cost of spar material.

One day there will be a large no-sew design available from this site. Either as an e-book or an e-course which does some hand-holding during all the steps.

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What's New!

  1. The Eddy Kite

    Sep 28, 16 07:00 AM

    A previously published page covering the historical Eddy design - a large tail-less Diamond. Illustrated with our own Dowel Diamond, also tail-less, which is based on the Eddy concept...

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Wind Speeds


Light air
1-5 km/h
1-3 mph
1-3 knots
Beaufort 1

Light breeze
6–11 km/h
4–7 mph
4–6 knots
Beaufort 2    

Gentle breeze
12–19 km/h
8–12 mph
7–10 knots
Beaufort 3    

Moderate breeze
20–28 km/h
13–18 mph
11–16 knots
Beaufort 4    

Fresh breeze
29–38 km/h
19–24 mph
17–21 knots
Beaufort 5    

Strong breeze
39–49 km/h
25–31 mph
22–27 knots
Beaufort 6

High Wind
50-61 km/h
32-38 mph
28-33 knots
Beaufort 7