aaah, when i converted it to square mm i think i had 800 to 907 but i wasn't sure if there's more that affects it than just Square mm , (venturi affect?)
The restrictor must be maintained for a minimum
distance of 3 mm measured downstream of a plane
perpendicular to the rotational axis situated at a
maximum of 50 mm upstream of a plane passing
through the most upstream extremities of the wheel
blades (see Appendix B drawing 254-4). The external
diameter of the restrictor at its narrowest point must be
less than 38 mm, and must be maintained over a
distance of 5 mm to each side.
In case of an engine with two parallel compressors, each
compressor must be limited to a maximum intake
diameter of 22.6 mm.
don't suppose you are itching to do some prototyping on max flow restrictors or somethign?
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