Designing your own boat?
Printed From: Yachts and Yachting Online
Category: Dinghy classes
Forum Name: Dinghy development
Forum Discription: The latest moves in the dinghy market
URL: http://www.yachtsandyachting.com/forum/forum_posts.asp?TID=3361
Printed Date: 19 Aug 25 at 6:26am Software Version: Web Wiz Forums 9.665y - http://www.webwizforums.com
Topic: Designing your own boat?
Posted By: Ross
Subject: Designing your own boat?
Date Posted: 06 Sep 07 at 10:28pm
Has anyone had a go? I downloaded Google sketch up and had a go just for fun. I can't get it to render though :(. Post a picture of yours up!
------------- Ross
If you can't carry it, don't sail it!
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Replies:
Posted By: JimC
Date Posted: 06 Sep 07 at 10:58pm
Posted By: blaze720
Date Posted: 06 Sep 07 at 11:12pm
Well I like it - not surprisingly !
Blaze 720
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Posted By: Ross
Date Posted: 06 Sep 07 at 11:37pm
Made this this afternoon in a few spare hours. Influenced by several cherub designs. "Paterson 7" and "Butt Plug" being the main two. This is the first time I've used a CAD program, let alone designed a hull! So go easy!
It's difficult to see the design ( ) but you might get the idea... I can send you the file if you want. You'll have to download Google Sketch up, but its free and only takes a couple of mins.
http://imageshack.us">
http://imageshack.us"> Rear view
http://imageshack.us"> Top view
http://imageshack.us"> Front view
http://imageshack.us"> underside view
------------- Ross
If you can't carry it, don't sail it!
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Posted By: Ross
Date Posted: 06 Sep 07 at 11:40pm
My future aim is to design a very light, very fast single handed, hiking spinnaker boat.
------------- Ross
If you can't carry it, don't sail it!
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Posted By: aardvark_issues
Date Posted: 07 Sep 07 at 12:12am
Posted By: MpHarris
Date Posted: 07 Sep 07 at 10:17am
Can you let me know when you find out how to 'flesh out' the design i've just had a look at it and it seems quite a good little tool, so long as you can get it to add surfaces.
The boat looks pretty cool. As to your idea i saw someone at our local club tried putting a symettric kite on a non foiling moth, using the wings instead of a kite pole. Went quite well although he kept binning it on the drops. Would be interesting to see an assy kite on one.
------------- Cherub 2663 "Sweet Dreams"
RS400 451 "IceBerg"
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Posted By: Jack Sparrow
Date Posted: 07 Sep 07 at 12:18pm
Something I have been talking to Mr Aardvark about with relation to Emma's Fat Bottom Girl.
Anyone interested in a fixed bowsprit hard chine Assy Moth talk to Mike at Aardvark
------------- http://www.uk3-7class.org/index.html" rel="nofollow - Farr 3.7 Class Website
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Posted By: Jack Sparrow
Date Posted: 13 Sep 07 at 8:49pm

------------- http://www.uk3-7class.org/index.html" rel="nofollow - Farr 3.7 Class Website
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Posted By: Iain C
Date Posted: 14 Sep 07 at 9:02am
Not really designed by me, it's a Simon Roberts design, but changed from wings to racks and an I14 style gantry with a little bit of input from me...

------------- RS700 GBR922 "Wirespeed"
Fireball GBR14474 "Eleven Parsecs"
Enterprise GBR21970
Bavaria 32 GBR4755L "Adastra"
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Posted By: JimC
Date Posted: 14 Sep 07 at 9:10am
Originally posted by Iain C
Not really designed by me, it's a Simon Roberts design |
Its about time Simon came up with a successor to the Slug - its being ridiculously long lived for a Cherub design.
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Posted By: MpHarris
Date Posted: 14 Sep 07 at 9:21am
thats a cool drawing, can i ask what software you used to create it?
------------- Cherub 2663 "Sweet Dreams"
RS400 451 "IceBerg"
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Posted By: Jack Sparrow
Date Posted: 14 Sep 07 at 9:44am
------------- http://www.uk3-7class.org/index.html" rel="nofollow - Farr 3.7 Class Website
https://www.facebook.com/groups/1092602470772759/" rel="nofollow - Farr 3.7 Building - Facebook Group
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Posted By: Black no sugar
Date Posted: 14 Sep 07 at 10:29am
*Edit*
Ooops, sorry, I forgot the techie bit:

------------- http://www.lancingsc.org.uk/index.html - Lancing SC
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Posted By: Iain C
Date Posted: 14 Sep 07 at 10:51am
Jim...I think he's thinking about it, however I'm not sure how you'd make it much better really!
MpHarris...I'll find out for you
BNS, very good, however I reckon a bit less rocker and longer chines might improve it's planing abilities somewhat...although looks like it will be good in chop...
------------- RS700 GBR922 "Wirespeed"
Fireball GBR14474 "Eleven Parsecs"
Enterprise GBR21970
Bavaria 32 GBR4755L "Adastra"
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Posted By: m_liddell
Date Posted: 14 Sep 07 at 9:56pm
I'd like to design and easy to sail boat for an intro to twin wires. Kind of like what the spice should have been.
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Posted By: Villan
Date Posted: 14 Sep 07 at 9:58pm
M_liddell .. You mean Like the spice?
Go try. You never know, you might like it.
May be a dead class, but prices are stable because of it, its cheap to get in, you're bound to get what you paid for it, and they are fun!
------------- Vareo - 149 "Secrets"
http://www.TandyUKServers.co.uk" rel="nofollow - TandyUK Servers
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Posted By: JimC
Date Posted: 14 Sep 07 at 10:25pm
Originally posted by Villan
you're bound to get what you paid for it, | It would be unwise to bet on that. The dead SMODs are worth d*** all because there's d*** all demand. Could take you a very long time to sell. With things like that better to figure the money as gone for ever, then if you can get anything back its a bonus.
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Posted By: m_liddell
Date Posted: 17 Sep 07 at 12:37pm
Originally posted by Villan
M_liddell .. You mean Like the spice?
Go try. You never know, you might like it.
May be a dead class, but prices are stable because of it, its cheap to get in, you're bound to get what you paid for it, and they are fun!
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Yeah the Spice concept but a good boat rather than the piece of junk topper produced. There really isn't a decent alternative. It is quite nice sailing a twin wire boat that won't eat you alive in > 20knts.
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Posted By: ratface
Date Posted: 17 Sep 07 at 12:47pm
M_liddell have you ever sailed a spice? if not then dont you have no rights to dis the boat.
and unlike cherub's it doesnt break every time it is used, and ive had it out in 23knts+ on the sea and survived...
------------- http://www.blym.org.uk/ - BLYM
http://www.blym.org.uk/hydrs/index.htm - Hertfordshire Sailing team
Uk-Cherub 2644
Laser 4000 -4089
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Posted By: Isis
Date Posted: 17 Sep 07 at 12:52pm
Originally posted by ratface
and unlike cherub's it doesnt break every time it is used, and ive had it out in 23knts+ on the sea and survived...
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Most of the fleet was out in more than that recently at weymouth and the only breakage I heard of was on my boat where one of the blocks in the kicker system wore through the 1.5mm vectran strop tieing it to the boat. Hardly surprising and its now been spec'ed up to something entirely more suitable.
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Posted By: Ross
Date Posted: 17 Sep 07 at 3:41pm
Originally posted by ratface
M_liddell have you ever sailed a spice? if not then dont you have no rights to dis the boat.
and unlike cherub's it doesnt break every time it is used, and ive had it out in 23knts+ on the sea and survived...
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Nothing broke on the cherub I sailed, Loco Perro. Nothing major was broken at the nationals that comes to mind. A mast snapping was the biggest thing I can think of, and you cant say that other classes don't have that problem! The boat that had the most problems was "Oops". But what do you expect from a boat that uses modified Royal Mail letter bags as a spinnaker chute! Some of the boats went out in in 30+ knots with no boat problems, just sailor problems . The Welsh boys were fine, nothing broke and no sailor issues. Spinnaker runs all over the shop.
Still want a drag race? Me in my 97' rules cherub (Flat Stanly, picking it up on Friday!) against you in the spice . I might throw on a bigger kite.. When are you next going for a blast day on a big lake? Give me a shout.
http://sailingsource.com/cherub/test/doku.php/secondhand
Carbon/nomex construction, It's isn't going to break any time soon! A bargain at 2 grand! Carbon rig, 05 rules, self tacking jib, bloodaxe foils, enough sails to fill you bedroom and a combi trailer! On Wednesday, you said you wanted to to get into 12 foot skiffs, Cherubs are the perfect stepping stone.
Disclaimer: People will say that it's a bit silly of me to be talking about drag
racing before I have even got the boat, but it's only for a laugh
people!
------------- Ross
If you can't carry it, don't sail it!
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Posted By: ratface
Date Posted: 17 Sep 07 at 3:48pm
Ross your have been beaten to a 'unofficial' boat test with the spice
but hey a a boats a boat...
edit: nxt going to Datchet on the 29th me thinks
------------- http://www.blym.org.uk/ - BLYM
http://www.blym.org.uk/hydrs/index.htm - Hertfordshire Sailing team
Uk-Cherub 2644
Laser 4000 -4089
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Posted By: Ross
Date Posted: 17 Sep 07 at 4:10pm
Originally posted by ratface
Ross your have been beaten to a 'unofficial' boat test with the spice
but hey a a boats a boat...
edit: nxt going to Datchet on the 29th me thinks
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I'm away (Cherub blasting weekend). Come to King George some time!
------------- Ross
If you can't carry it, don't sail it!
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Posted By: FireballNeil
Date Posted: 17 Sep 07 at 5:15pm
Originally posted by Ross
Originally posted by ratface
Ross your have been beaten to a 'unofficial' boat test with the spice
but hey a a boats a boat...
edit: nxt going to Datchet on the 29th me thinks
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I'm away (Cherub blasting weekend). Come to King George some time!
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Where is the blasting weekend? The one at Draycote was awesome last year and I don't even have a cherub!
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Posted By: Merlinboy
Date Posted: 17 Sep 07 at 6:07pm
Ross why dont you join us at datchett for a blast, i already have organised a drag race with us against the spice, would be more then happy to show you proper downhill boat speed!
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Posted By: Ross
Date Posted: 17 Sep 07 at 7:23pm
Originally posted by Merlinboy
Ross why dont you join us at datchett for a blast, i already have organised a drag race with us against the spice, would be more then happy to show you proper downhill boat speed! |
I would love to! When? But I can't drive and can't get anywhere unless other people have double stacker's and are willing to pick me up. I have to scrounge a lift and a tow, everywhere I go . The Cherub hasn't got nearly as much sail area as a 14, and I bet you have a kite of about 30-35 meters square! It's only 97 rules (for the moment ). We'll still eat that spice for breakfast!
------------- Ross
If you can't carry it, don't sail it!
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Posted By: Villan
Date Posted: 17 Sep 07 at 7:33pm
Well, I'm now possibly available as a crew ... if anyone going wants one for the day?
Any offers accepted of course 
Well .. almost any!
------------- Vareo - 149 "Secrets"
http://www.TandyUKServers.co.uk" rel="nofollow - TandyUK Servers
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Posted By: Ross
Date Posted: 17 Sep 07 at 7:48pm
Get Craig out in the 5000!
------------- Ross
If you can't carry it, don't sail it!
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Posted By: Smight at BBSC
Date Posted: 17 Sep 07 at 8:32pm
Originally posted by Villan
Well, I'm now possibly available as a crew ... if anyone going wants one for the day?
Any offers accepted of course 
Well .. almost any!
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Are you still coming to bbsc this weekend?
------------- RS600 988
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Posted By: m_liddell
Date Posted: 18 Sep 07 at 12:46pm
Originally posted by ratface
M_liddell have you ever sailed a spice? if not then dont you have no rights to dis the boat.
and unlike cherub's it doesnt break every time it is used, and ive had it out in 23knts+ on the sea and survived...
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Yes, I have sailed a spice. Probably about 4 times in total but enough for me to form an opinion on it. I had fun but it has some quite serious flaws. I wish that someone would take the concept and create a new design.
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Posted By: JimC
Date Posted: 18 Sep 07 at 12:55pm
Originally posted by m_liddell
I wish that someone would take the concept and create a new design. |
I think RS would say that boat is the 800...
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Posted By: Ross
Date Posted: 18 Sep 07 at 12:59pm
I wish someone would get the 5000 mould and make one that doesn't weigh 110 kilos! If Laser did what Vander craft did for the laser 3000 and sold it for around £8000, I think that class would take off with enough marketing. The 3000 wasn't very successful in comparison to the 5000, so I think the 5000 is the ideal candidate for modernising/updating. Laser need an RS800 in there range.
------------- Ross
If you can't carry it, don't sail it!
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Posted By: ratface
Date Posted: 18 Sep 07 at 1:10pm
Smight, yes we are and bringing the spice
------------- http://www.blym.org.uk/ - BLYM
http://www.blym.org.uk/hydrs/index.htm - Hertfordshire Sailing team
Uk-Cherub 2644
Laser 4000 -4089
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Posted By: Smight at BBSC
Date Posted: 18 Sep 07 at 2:57pm
Gdgd i'll definatly be there sunday but i'm not not sure about saturday. Might let you have a blast in the 600 if it's not too breezey 
------------- RS600 988
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Posted By: Ross
Date Posted: 18 Sep 07 at 3:07pm
George, show him Atum Bom! Will and Lucy sail at BBSC, right? If not, Ooops. Just for laughs . Ooops will still beat the spice me thinks
------------- Ross
If you can't carry it, don't sail it!
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Posted By: ratface
Date Posted: 18 Sep 07 at 3:52pm
think i will defo want a go in the 600
and i should be fine in any breeze as long as there is pro grip on the racks...
Ross craigs 5 tonner only ventures out about once a month now... but i think hes busy sailing a 4 tonner atm
------------- http://www.blym.org.uk/ - BLYM
http://www.blym.org.uk/hydrs/index.htm - Hertfordshire Sailing team
Uk-Cherub 2644
Laser 4000 -4089
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Posted By: Smight at BBSC
Date Posted: 18 Sep 07 at 5:18pm
Posted By: Smight at BBSC
Date Posted: 18 Sep 07 at 5:19pm
Originally posted by ratface
think i will defo want a go in the 600
and i should be fine in any breeze as long as there is pro grip on the racks...
Ross craigs 5 tonner only ventures out about once a month now... but i think hes busy sailing a 4 tonner atm
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There is pro-grip on the although it needs replacing I may have to steal a go in the spice while my 600 is being used 
------------- RS600 988
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Posted By: JimC
Date Posted: 18 Sep 07 at 5:54pm
Originally posted by Ross
I wish someone would get the 5000 mould and make one that doesn't weigh 110 kilos! |
You'd also need to change the hull shape, the spars and the sails...
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Posted By: Guest
Date Posted: 18 Sep 07 at 6:02pm
Originally posted by JimC
Originally posted by Ross
I wish someone would get the 5000 mould and make one that doesn't weigh 110 kilos! | You'd also need to change the hull shape, the spars and the sails... |
Pephaps you'd still be able to re-use the trolley 
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Posted By: Merlinboy
Date Posted: 18 Sep 07 at 6:03pm
I think the expression is you cant polish a turd!!!
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Posted By: JimC
Date Posted: 18 Sep 07 at 6:26pm
Originally posted by Guest#260
Perhaps you'd still be able to re-use the trolley  | And quite a few of the ropes and fittings:-)
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Posted By: Merlinboy
Date Posted: 18 Sep 07 at 6:30pm
Our boss never broke TT, i would expect the 5k not to break with teh weight it is carying it must be made out of steel!
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Posted By: Villan
Date Posted: 18 Sep 07 at 6:32pm
Posted By: ratface
Date Posted: 18 Sep 07 at 7:01pm
thats swimming lessons for you then villan...
the guy who wants a funboat
------------- http://www.blym.org.uk/ - BLYM
http://www.blym.org.uk/hydrs/index.htm - Hertfordshire Sailing team
Uk-Cherub 2644
Laser 4000 -4089
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Posted By: Villan
Date Posted: 18 Sep 07 at 7:14pm
Vortex tbh. Dont diss it til you've tried one.
More than fast enough for me. ( 930 - so faster than anything you have ... even your Topper! )
------------- Vareo - 149 "Secrets"
http://www.TandyUKServers.co.uk" rel="nofollow - TandyUK Servers
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Posted By: Smight at BBSC
Date Posted: 18 Sep 07 at 7:23pm
Originally posted by Villan
[QUOTE=Smight at BBSC]
Yup, I'll be the poor guy in there with you! I'll need a go in the 600 as well of course ... If I'm allowed!
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we'll be fine. I'm sure you can have a swim with the 600 
------------- RS600 988
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Posted By: m_liddell
Date Posted: 18 Sep 07 at 8:18pm
Originally posted by JimC
Originally posted by m_liddell
I wish that someone would take the concept and create a new design. |
I think RS would say that boat is the 800... |
Perhaps that is the problem, after a season in a spice -esque boat most people would want an 800.
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Posted By: Ross
Date Posted: 18 Sep 07 at 9:25pm
Originally posted by Merlinboy
Our boss never broke TT, i would expect the 5k not to break with teh weight it is carying it must be made out of steel! |
Naaa, it would be lighter if it was made of steel! 
Balls, it looks like all the action is at BBSC this weekend. I would pop down my self, but unfortunately I have to go and PICK UP MY CHERUB and win the scout nationals this weekend .
------------- Ross
If you can't carry it, don't sail it!
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Posted By: Smight at BBSC
Date Posted: 18 Sep 07 at 9:33pm
Win the scout natinoals? That sounds like a task
------------- RS600 988
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Posted By: Ross
Date Posted: 18 Sep 07 at 9:49pm
Originally posted by Smight at BBSC
Win the scout natinoals? That sounds like a task |
What are "natinoals" . I don't know how many people have entered yet, so i don't know how big/small the task is. It will still earn me "water cred". It's like "street cred" only a little damper...
------------- Ross
If you can't carry it, don't sail it!
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Posted By: Smight at BBSC
Date Posted: 18 Sep 07 at 9:53pm
sorry spelling errors
------------- RS600 988
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