Merlyn wrote:But will it draw 29-92 HG Andrew?
Merlyn wrote:Concerning the draw I mentioned Andrew I actually referred to the inches of Mercury drawn by the vacuum created.
The scale commences at 0 at atmospheric pressure ( i.e. 14-7 ) going up to a perfect vacuum of 29-92HG,
It's the pressure of a column of Mercury exerts one inch high at atmospheric pressure and correct temperature readings.
That rooters type blower I see has the lock device fitted to prevent accidental turning movements occurring when working on it.
As a boy I well remember tapping out each and every one of those blind tapped holes to ensure each one was a clear thread and did not bottom out.
Hours and hours akin to the lower turbine casings tapping.
Sorry to hear you still have problems with your peepers, the only good side of this methinks would be in counting ones money.
Hell of a shaft angle on your design depicted?
Permanently on the plane design?
So keep doubling up on the loot and make sure the vacuum calculations are correct to stop your design running the wrong way.
I.e., suck don't blow theory here applies.
Still haven't ever had a big "M " to date!
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