Hello all!
I am new to the list but have been checking out the project for quite a
while. I am thinking about building a ultralight aircraft by 1) designing a
3D object 2) Making real by CNC in foam 3) building skin in
epoxy/fiberglass. Much like a surfboard! Stringers and such would of course
be needd. They could be pre-added to the core.
The thing is, a BIG machine CNC would be needed. Does anyone have experience
building such a big CNC machine? It would need to work object several meters
large. Preferable up to 4-5 meters.
I am thinking some serious welding is needed for a solid frame but how to
make suitable sliding rails that are long? And are there tooth belts that
long? Perhaps a cograil? How to maintain minimum play? I am sure all these
problems are solved since i have seen big sailboats beeing protyped on TV,
but how to make a DIY version?
Ideas anyone?
Peter
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