Learning the Messerschmitt Jig

Monocoque JigMonocoque Jig

S
ome years ago Russell Church looked at making up new monocoque frames having at the time a KR200 in bits with a rotted out frame. Being Russell this expanded into the construction of a jig to ensure the frame would be identical to original and I became involved by the loan and supply of various test bits. Another jig featuring a ram to bend the monocoque tubing to the correct shape joined the main jig. The side tube is not as you would expect a perfect curve but actually a straight bit, curve and then a straight bit.The side tube is not as you would expect a perfect curve but actually a straight bit, curve and then a straight bit. Then a further jig was required to put in the bend to horizontal where the box section fitted on down to the pedal mounts. The pedal mount itself required a tool to be created and tested in a press to get the required finished shape replicating the original. This done the formed cut frames could be put in the large jig to be welded together with a box section/crossmember.


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