Convert Boat Sail Drive Forces into Speed | KGF to M/S & KM/H Conversion Help"

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Michael is seeking assistance in converting sail drive forces measured in KGF into speed metrics (m/s and km/h) for his Hartley TS16 boat. He has already calculated drag coefficients and relative wind speeds but needs help with the conversion process. He offers to share a spreadsheet containing relevant data for those who can assist. The discussion emphasizes the physics behind the conversion rather than mathematical formulas. The thread also includes a light-hearted comment about the boat itself, suggesting a mix of technical inquiry and personal interest.
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Hello,

My name is Michael, and I have been working out some stuff which is to do with my boat, Hartley TS16. I have worked out the boats sail drive in different wind speeds etc. and have done so in KGF. Is there any way which I can convert this force into speed? I also have worked out relevant drag coefficients for relative wind speeds and lee heel.

I have a spreadsheet with all the details (no forumals etc. just data), if it would help I can send that to a few people.

If so, could someone please help me convert the following forces into speed (m/s, km/h is fine) - listen in kgf and lb, for your convenience

(kgf) (lb)
3 | 7
7 | 28
20 | 44
29 | 64
39 | 86
51 | 113
68 | 149
83 | 184
71 | 156
82 | 180
92 | 204

Anyway just to solve curiosity this is the boat:
10-107.jpg
 

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This is not a mathematics question, it is a physics question so I am moving it.

Nice boat, by the way. I am tempted to suspect that you posted this question just to show off the boat!
 
So I know that electrons are fundamental, there's no 'material' that makes them up, it's like talking about a colour itself rather than a car or a flower. Now protons and neutrons and quarks and whatever other stuff is there fundamentally, I want someone to kind of teach me these, I have a lot of questions that books might not give the answer in the way I understand. Thanks
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