Light Aircraft Association

Is anyone else in the UK building a Spacek SD1. Would like to get in touch to swap knowledge.

Basil

Whether a tube can be easily bent without kinking depends on its diameter to thickness ratio and its Youngs modulus. 1/4inch alloy, unless it has a very thin wall is likely to bend easily, especially if it isn't too hard. Try hand bending a sample over a 1inch bar (4D) to see if it will hand bend wi...

At last! Now our SD1 kit can fly when we finish it instead of being an expensive ornament.

http://www.caa.co.uk/docs/33/Informatio ... 014091.pdf

Are you talking about the loads through the struts during landing?

Can't say for certain re wood but everything I have bought from Aircraft Spruce has been good quality.

Since a single seater is acceptable have a look at the SD1. Wood fuselage, wings with prefab carbon spars,foam ribs and plywood skins and a choice of cheap engines including Briggs and Stratton. It is available in several stages of kit and should comply with the new 300kg SSDR catagory.

I look forward to reading it.

I was trying to establish if the reported high stall speed of the Luciole was due to being optimised for fast cruise. I intend to built an SD1 under the new SSDR regs.

In the last LAA magazine Francis said that it was unlikely that the SD1 or the luciole would comply due to their high wing loading and stall speed. The SD1 is accepted as a microlight in Germany where the same 65kph max stall speed is required and the designer,Igor Spacek, says all examples have sta...