Given Mr Simpsons awesome data, what is to stop somebody from purchasing 6 x 130 jets from a reputable outlet. Take them down to a competant engineers and ask him to ream them out to exactly what you require. This would end your/our guess work, at very little expense compared with pin gauges - optical measuring - mechanical measuring devices. I approached the aiviation industry to measure 3 jets for me 6 months ago, just to see how the land lay, being new to Rotax. JET 145 - Optically 156 mechanically 157 148 - " 160 " 160 150 - " 163 " 162
I chose to look no further as I believe this is a common practice to have a deliberate off set on mass produced items. So I wrongly jumped to the conclusion that they all had a common offset, and this I did not need to know, but Mr Simpson's info has put me back on my heels, think I shall get some cut by myself for myself.
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