What does quarter\half\one-tonner means?

[10thTonner]

What a fascinating time it was! A boat 34 feet long and displacing 3300 Kg measured „below 24,5 feet" and was thus called a „3/4 Tonner“. 

... All clear?  :wacko:   

 

[dogwatch]

I did the 1975 Fastnet in a half-tonner.  

There were still half-tonners doing it in 1993. IIRC they had a grand-fathering opt-out of the stability requirements. Don't recall seeing any later than that but could be wrong. I did 1993 on a 33 footer, after which the owners decided to  buy a bigger boat.

 

[dogwatch]

And just to show how soft we have become, you used to be allowed to do a 200 mile ocean race in a mini toner.

You mean mini-tonner rather than quarter-tonner? I used to race a mini-tonner, good fun but even when I was young and stupid,  I'd have passed on doing a 200 mile race on one. Downstairs was just a hole smelling of petrol into which the outboard was man-handled. 

 

[Snowden]

There were still half-tonners doing it in 1993. IIRC they had a grand-fathering opt-out of the stability requirements. Don't recall seeing any later than that but could be wrong. I did 1993 on a 33 footer, after which the owners decided to  buy a bigger boat.

Silver Shamrock finished 2H in 2017

https://www.rolexfastnetrace.com/results/2017/rfr-irc-four-b01.html

 

[ROADKILL666]

You mean mini-tonner rather than quarter-tonner? I used to race a mini-tonner, good fun but even when I was young and stupid,  I'd have passed on doing a 200 mile race on one. Downstairs was just a hole smelling of petrol into which the outboard was man-handled. 

200 miles is a long way for a mini 

 

[huwp]

The ratings relate to the amount of water they push per minute.

 

[Omer]

It is similar to the meter rule. 6,8,12 Meter boats have nothing to do with such measurements. It is a formula where certain values  when multiplied and divided gives that result.  

 

[pironiero]

Thank you guys, so much interesting stuff you wrote here! :wub:

 

[guerdon]

It's called the Ton class because it's a ton of fun.  It was also fun to race MORC tiny boats in big classes ["Trina"] come in last and win everything.  Little boats taught me the stealth anchor technique where we could pull ahead by not going backwards with the current.