yes it does........ just ask your mrs

harry potter said...

yes it does........ just ask your mrs

only 5cm on your magic wand, Harry?
doesn't really sound brag worthy

oceanfire said...

harry potter said...

yes it does........ just ask your mrs

only 5cm on your magic wand, Harry?
doesn't really sound brag worthy

Its the EXTRA 5cm that counts !

moon waxing said...

My smaller board fits into the back of the car a lot easier.

Ignoring rocker the extra length will require more foot pressure to give comparable pop.

A longer board will get going in less wind and be better going upwind but more of a handful in stronger winds.

5cm? ...yes you'll definitely notice the difference.

I haven't got a board in front of me, but on a rough calc on the two sizes I mentioned above, shows an additional 0.031m2 of area.

It's crazy isn't it?
But you've got to be right, otherwise I'm sure the manfacturers wouldn't be making boards with such seeminly small differences.

oceanfire said...

JTheron said...

Think of it in this way,

135x41cm= 5535cm2
140x42cm= 5880cm2

That is 345cm2 more on your board, that is if squared 18.5cm2, almost two extra feet on your board, so it ends up to be quite a lot, so I agree with moon waxing...

Whoops, you beat me to the calc, that's what I get for posting at work.
now we've just got to figure out who's is right...

I actually did this at work too but as you can see I am very determined today

Width yes - length.. not so much. Just ask ya.. er.. kite shop.

In the dimensions you sent the extra 1cm of width would add approx as much (if the length stayed the same) as the extra 5cm of length.

Actually I think most folks work on an extra 1 inch of width being equal to 3 inches length. So i guess you should be thinking of that 140cm board as being approx 15cm longer than the 135 - if ya know what I mean.

Depends on how the boards are built really.

Aside from width and length there is always outline, concave, rocker, flex etc. to make even the "same" board very different beasts in the water.

Just ride them both and see

It's not a comp mate; my mum says we're all winners!

10mm in width makes a big difference on a windsurfer, which is a much smaller change percentage wise.

when you talk width, the critical measurement is about leverage of your heal on the heal side edge. Actually it's the other way round.

your heal is wanting to set the edge in the water at an angle appropriate to what you want the board to achieve. This means overcoming the opposing force of water pressure trying to flatten out the board via pressing also on the heal side edge.

Now think where your heal is in relation to the edge of the board and lets say it's 5cm

increase the board width two cm and that distance is now 6cm. But it is a Lever arm so I'll let the Engineering students work out the Torque difference.

needless to say 1cm is a big difference.