New Posts New Posts RSS Feed: Fastest dinghy?
  FAQ FAQ  Forum Search   Register Register  Login Login

Fastest dinghy?

 Post Reply Post Reply Page  <12345 24>
Author
jeffers View Drop Down
Really should get out more
Really should get out more
Avatar

Joined: 29 Mar 04
Location: United Kingdom
Online Status: Offline
Posts: 3048
Post Options Post Options   Quote jeffers Quote  Post ReplyReply Direct Link To This Post Topic: Fastest dinghy?
    Posted: 04 Oct 04 at 9:51pm
Originally posted by Phil eltringham

Its the go-kart effect, 10 knots+ on a topper with your bum on the surface feels a lot faster than in something with a lot of freeboard like a 200 or bigger still a yacht (having said that 10-15 knots feels pretty quick in most yachts beacuse you only get that surfing in a big breeze). 



Having race karts (not gokarts) I can happily say that doing 80mph with your 'seat' about 2 inches off the floor does feel very very fast but not a huge amount more then 80mph in my car...

Now look at the formula karts (basically motorbike engines on a kart chassis) which are easily capable of 130mph plus (probably faster if pushed) and then you get speed sensation..

Also have to add that round a course (not just reaching) in an F6+ I can sail a Laser radial much faster than a full rig Laser (power an control I guess...)

For thos who have had the good fortune to have had some time with Adam Bowers just remember to arbitray 20 Unit theory, basically once you hit those 20 units it doesn't matter how much more wind you have you aint going to go any faster on a given point of sail.....

Just my 2p..

Paul
Back to Top
fizzicist View Drop Down
Far too distracted from work
Far too distracted from work
Avatar

Joined: 06 Aug 04
Location: United Kingdom
Online Status: Offline
Posts: 305
Post Options Post Options   Quote fizzicist Quote  Post ReplyReply Direct Link To This Post Posted: 04 Oct 04 at 10:30pm
Originally posted by Hagar

PS - Fizzicist should calculate the rate of rotation of the eyeball as it watches the nearest stationary point, multiply by the wind speed across the face and throw in a factor of the generated noise. Big wind * close to the water + (shrieking wind * spray) = exciting. 125mph in modern train = nothing.

If your eyeballs are rotating, then you're going very fast in a heavy chop!!!  

Not all chemicals are bad. Without chemicals such as hydrogen and
oxygen, for example, there would be no way to make water, a vital
ingredient in beer.
Back to Top
Matt Lingley View Drop Down
Newbie
Newbie
Avatar

Joined: 16 Mar 04
Location: United Kingdom
Online Status: Offline
Posts: 19
Post Options Post Options   Quote Matt Lingley Quote  Post ReplyReply Direct Link To This Post Posted: 05 Oct 04 at 12:07am
I think the feeling of speed in any sailboat is very relative to the conditions. I've seen 20 knots on a gps sailing a J-80 in 30knots+, theres just so much water flying around in those conditions that it feels like your going way faster, but then I've seen 15 on a gps sailing a tornado in somthing around 7knots true and been amazed that the boat was going that quick. If the boat feels like its really being pushed in waves and high winds it will feel like its going fast, even though in flat water and a bit less wind the boat will feel slower but quite possibly going faster.
If it dosn't blow it sucks!
Back to Top
fizzicist View Drop Down
Far too distracted from work
Far too distracted from work
Avatar

Joined: 06 Aug 04
Location: United Kingdom
Online Status: Offline
Posts: 305
Post Options Post Options   Quote fizzicist Quote  Post ReplyReply Direct Link To This Post Posted: 05 Oct 04 at 7:12pm
But equally 20 knots or 25mph feels like you're crawling in a car. Even on a bike it doesn't have the same sensation of speed as on water.
Not all chemicals are bad. Without chemicals such as hydrogen and
oxygen, for example, there would be no way to make water, a vital
ingredient in beer.
Back to Top
Matt Lingley View Drop Down
Newbie
Newbie
Avatar

Joined: 16 Mar 04
Location: United Kingdom
Online Status: Offline
Posts: 19
Post Options Post Options   Quote Matt Lingley Quote  Post ReplyReply Direct Link To This Post Posted: 06 Oct 04 at 1:44am

Exactly, at 25mph your not pushing the car, say at 120 (depending on the car) you are pushing it and it feels really fast!

If it dosn't blow it sucks!
Back to Top
Rupert View Drop Down
Really should get out more
Really should get out more


Joined: 11 Aug 04
Location: Whitefriars sc
Online Status: Offline
Posts: 8956
Post Options Post Options   Quote Rupert Quote  Post ReplyReply Direct Link To This Post Posted: 06 Oct 04 at 8:28pm

My old Lada felt fast at about 30. Same reasons as dinghies do, I expect - steering all over the place, and, if raining, somewhat damp, as it came through the rust holes.

I think dinghies where it becomes difficult to see where one is going feel the fastest - a Fireball where spray from the crew's far too big feet hit me smack in the face springs to mind from years gone by. I'd see a lobster pot in the distance, think "where's it gone now" and realize it was behind us, and that I'd been sailing blind for a few hundred yards. That felt fast!

Back to Top
Contender443 View Drop Down
Really should get out more
Really should get out more
Avatar

Joined: 01 Oct 04
Location: United Kingdom
Online Status: Offline
Posts: 1211
Post Options Post Options   Quote Contender443 Quote  Post ReplyReply Direct Link To This Post Posted: 06 Oct 04 at 11:00pm
You managed to push your Lada to 30 - you must have a good pair of running shoes!!
Bonnie Lass Contender 1764
Back to Top
Barty View Drop Down
Far too distracted from work
Far too distracted from work
Avatar

Joined: 16 Mar 04
Location: Scotland
Online Status: Offline
Posts: 240
Post Options Post Options   Quote Barty Quote  Post ReplyReply Direct Link To This Post Posted: 07 Oct 04 at 7:53am

Check out these bad boys :

http://www.i14.ch/foils/album01

How fast do you think this would feel????

Back to Top
Contender443 View Drop Down
Really should get out more
Really should get out more
Avatar

Joined: 01 Oct 04
Location: United Kingdom
Online Status: Offline
Posts: 1211
Post Options Post Options   Quote Contender443 Quote  Post ReplyReply Direct Link To This Post Posted: 07 Oct 04 at 11:22am
What's with the helmets??
Bonnie Lass Contender 1764
Back to Top
Barty View Drop Down
Far too distracted from work
Far too distracted from work
Avatar

Joined: 16 Mar 04
Location: Scotland
Online Status: Offline
Posts: 240
Post Options Post Options   Quote Barty Quote  Post ReplyReply Direct Link To This Post Posted: 07 Oct 04 at 12:36pm
Twin wiring at altitude!!!!.............I think I'd be wearing more than just a helmet.  If your on the wire six feet out the water and wipe out its gonna hurt  and at the speed that you could be going at, its gonna hurt even more!!!
Back to Top
 Post Reply Post Reply Page  <12345 24>

Forum Jump Forum Permissions View Drop Down

Bulletin Board Software by Web Wiz Forums® version 9.665y
Copyright ©2001-2010 Web Wiz
Change your personal settings, or read our privacy policy