G'day all
The last thing we want here is to promote myth making.
Grumpy - the most senior engineer to have appeared on these forums -
dispelled the myth of horizontal versus sloper.
How any engine - in any configuration - avoids vibration must go to design.
Slopers are not inherently more vibration free than uprights.
Simple test: rotate an upright 45 degree and note what happens.
Rotate a sloper to upright and not what happens.
Rotate a vertical shaft engine 45 degree and note what happens.
From what Grumpy told me - zilch!
The vibration characteristics stay with the particular design; not its orientation.
Any ideas?
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Jack
