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Forum: Engines & props 29 April 2004, 10:31
Replies: 33
Views: 5,443
Posted By Mark Halliday
What I have failed to say is that when afloat the...

What I have failed to say is that when afloat the forces tend to be in a fore and aft direction, drag - flying, less drag - land - sudden drag with more power 'cos the revs went up when airborne....
Forum: Engines & props 29 April 2004, 10:23
Replies: 33
Views: 5,443
Posted By Mark Halliday
Cookee I have just re-read the thread and we...

Cookee
I have just re-read the thread and we seem to have gone a bit off topic.
The forces imposed when racing are going to be a lot more extreme than us mere mortals are likely to experience. Part...
Forum: Engines & props 29 April 2004, 08:44
Replies: 33
Views: 5,443
Posted By Mark Halliday
Gottcha. You are now talking about the boat...

Gottcha.
You are now talking about the boat under way and the prop pushing you along. Yes, the thrust is trying to to pull the top bolts out and the bottom bolts onto the transom. The engine...
Forum: Engines & props 28 April 2004, 21:44
Replies: 33
Views: 5,443
Posted By Mark Halliday
Cookee Disagree away, it's what the forum is...

Cookee
Disagree away, it's what the forum is all about.
But first try this.
Find a chair with a back. Turn it upside down. Curse because the seat fell on your toe.
Hold the chair back just below...
Forum: Engines & props 28 April 2004, 12:04
Replies: 33
Views: 5,443
Posted By Mark Halliday
Up or Down?

Got to be up.
If you tow with the engine down the G of G of the engine is well behind the transom so any bouncing of the boat & trailer will put the top fixing bolts under tension and be trying to...
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