Hi Bob, hi all,
What could be "deduced" if a propeller shows the A letter at the end of the arrow, vs one showing WD, supposing both show the 4 square airworthy stamps?
There is an example on page 83 of Bob book about Design and Manufacture, but only the airworthy stamps are "commented" (because one shows five).
And a "collateral" question: why an arrow?
Best regards,
Pierre-Michel
What could be "deduced" if a propeller shows the A letter at the end of the arrow, vs one showing WD, supposing both show the 4 square airworthy stamps?
There is an example on page 83 of Bob book about Design and Manufacture, but only the airworthy stamps are "commented" (because one shows five).
And a "collateral" question: why an arrow?
Best regards,
Pierre-Michel
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