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DIY dinghy – Streaker?

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GarethT View Drop Down
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Post Options Post Options   Quote GarethT Quote  Post ReplyReply Direct Link To This Post Topic: DIY dinghy – Streaker?
    Posted: 11 Mar 14 at 10:02am
If you're not necessarily looking for a racing dinghy, have a look here for some inspiration:
 
 
Tom is a great guy, genius craftsmen, and excellent sailor.
 
When I used to be a member at Haversham he would race these boats in the handicap fleet, although always seemed to get crucified by yardstick he was given.
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Post Options Post Options   Quote Jack Sparrow Quote  Post ReplyReply Direct Link To This Post Posted: 11 Mar 14 at 1:07pm
Originally posted by Caveman

If a kit is your preferred option then the Streaker would be a great choice. It is particularly suitable for  a lighter helm although I am advised by an owner that helms up to 13 stone can be competitive. Dave Butler of Butler Boats produces a kit. By happy coincidence I see he has just started building the Farr 3.7 as mentioned above. It looks like a lot of fun. I might be wrong but I reckon Dave Butler just might sell a kit for that too. 
<span style="line-height: 1.4;"></span>
<span style="line-height: 1.4;"> Another alternative to consider is the Solo dinghy. I believe that Tony Thresher has offered kits to self builders. </span>
<span style="line-height: 1.4;"></span>
<span style="line-height: 1.4;">Finally, if none of the above appeal, you might want to consider Fyne Boats. They do a range of kits for various boats and I was rather smitten by their National 12. </span>
<span style="line-height: 1.4;"></span>
<span style="line-height: 1.4;">A Google search will link you to the websites for the above. Good luck. </span>


Yep Butler Boats will do you a Hull with bulkheads for you to finish off. Also if you buy a set of Farr 3.7 plans there is an option to purchase with the AUTOCAD file for getting your wood laser cut. Laser cutting is about £100. Loads of places do it. Robbins Timber are also set up to supply laser cut wood for the 3.7 using there chosen laser cutting service, so you could order straight form them. But you'd still need the plans etc...
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ChrisB14 View Drop Down
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Post Options Post Options   Quote ChrisB14 Quote  Post ReplyReply Direct Link To This Post Posted: 11 Mar 14 at 2:01pm
Thanks for the large number of helpful and supportive responses! I have followed up on all of them, doing some more reading and am now beginning to lean more towards the Farr 3.7.

In more detail with some additional background: This is going to be my wife and me working on the project together. We want to go for a single hander, as they tend to be smaller, but mainly because we have a double hander that we sail together. So a single hander (or two :-) would make an interesting addition. While not necessarily for racing, we do want a performance boat, so the "book of plans" as well as the Campion boats are out. Obviously, we won't find a boat that suits both of our weights perfectly, so the idea was to first go for one that better suits her weight which we would be able to both sail, and then we can tackle building a Hadron or a Phantom for me ;-)

I have been in touch with Dave Butler, who was very helpful, but is reluctant to sell a simple pre-cut kit. They clearly prefer selling the hull with bulkheads, which takes away a lot of the risk of building, but also quite a bot of the fun. From what I have read, there are no CAD files for the Streaker available and also the plans appear to be minimally off, making transferring them to ply a bit more difficult.

I don't know why I didn't look at the Farr 3.7 in more detail initially. With the option of purchasing the CAD files ready for laser cutting along with the plans, this looks exactly like what we are looking for. We will go through the Farr building blogs and then decide.

Keith Callaghan's designs look quite hot, but my impression is that they are a bit more involved to build than a Streaker or Farr 3.7. That might be an option for the next one :-)

Watercraft magazine: thanks for that tip. It looks like interesting and useful reading. I will definitely be ordering one or two books from their selection, to help me (us) get started.

Firebug: nice design. Once there's a youngster around, it is something I would consider. I have very old plans for an Optimist lying around somewhere ...

I will keep keep updating the plans as they develop and we are committed to keeping a blog on the build once we get underway.

As before, I continue to be interested in any input.

Thanks again, Chris



Edited by ChrisB14 - 11 Mar 14 at 2:29pm
B14 GBR 748 Bullet B
In build: Farr 3.7 GBR 410 (both sail number and the current number of loose parts)
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Post Options Post Options   Quote Time Lord Quote  Post ReplyReply Direct Link To This Post Posted: 11 Mar 14 at 2:40pm
Chris

Do not necessarily dismiss Keith Callaghan's designs as too hard. Have a look at Julio arana's blog which details how he is building a Callaghan design Merlin Rocket in the USA. He does comment throughout how good Keith Callaghan's plans and instructions are.

http://merlinrocket.co.uk/forum/main/topic.asp?topic=6971&forum=main&comments=18&page=1&sort=5&order=1&search=

Worth a look at the blog (he puts up a new update every month) to see how Julio has tackled the various stages.
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Post Options Post Options   Quote Dave.B Quote  Post ReplyReply Direct Link To This Post Posted: 11 Mar 14 at 11:00pm
Chris,
I enjoyed every minute of my Farr 3.7 build. I built one from scratch but used laser cut frames. For me the hull framing and stringers were the best bit, seeing the skeleton shape develop.
It took me a year from start to launch, but I purposely had no target launch date and still took holidays, biz trips and other sabaticals. My blog is on the Farr web site, but I'd be more than happy to spend more time to go through the process with you, or if you fancy a trip to Draycote water, come and have a sail
 
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Post Options Post Options   Quote ChrisB14 Quote  Post ReplyReply Direct Link To This Post Posted: 12 Mar 14 at 4:20pm
Thanks for the kind offer Dave and also for the very helpful blog!

I am currently working my way through your blog and have already finished reading Peter's build report. It's interesting to see where you guys took different approaches. 

While we haven't reached a final decision, it is looking more and more likely that we will go for the Farr 3.7. Once we finalize the decision, I am sure I will come back to the offer of discussing the build process and Draycote Water is less than two hours drive away.

We are also looking at this as an open ended project. The idea is to have something to work on in the evenings and during weekends we don't drive out to Queen Mary.

What has me a bit worried at the moment is that we really have no prior experience with boat building besides epoxy/carbon repairs to our B14. Luckily, Daniela (my wife) has done some very detailed woodwork in the past and has experience with architectural model building (wood, MDF, etc.) and we are hoping those skills we be a good start.
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In build: Farr 3.7 GBR 410 (both sail number and the current number of loose parts)
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Post Options Post Options   Quote Dave.B Quote  Post ReplyReply Direct Link To This Post Posted: 12 Mar 14 at 9:14pm
I wouldn't worry too much Chris, especially if you already have experience of building something between you. It's just like building a big model aeroplane. It's all down to measure-cut-fix.
It's a great long term project and you'll learn the woodwork as you go along (all the early stages that you learn on are well hidden on the finished boat!)
Best of luck with your choice
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Post Options Post Options   Quote ChrisB14 Quote  Post ReplyReply Direct Link To This Post Posted: 18 Mar 14 at 1:36pm
Some time has passed and I have continued my "homework", which included looking into further alternatives. I thought I would share where we are right now. Who knows, it might be of interest to others at some point. We have decided against:
  • National 12: Might be too wide for our building space, plus we would prefer a single hander. Having said that, I can see us trying to build a Man o' War in the future.
  • Hadron: Mainly due to size issues, after all building in a cramped space can't be fun.
  • OK: Vetoed by my co-builder/wife, plus it looks as if the work would be quite involved.
  • Solo: For pretty much the same reasons as the OK.
That leaves the two previous options: Farr 3.7 and Streaker. Both were designed to be homebuilt, which is a big plus. Both should be sailable by either my wife or myself (admittedly I am too tall and heavy for both, but my use would mostly be limited to breezy conditions). Both seem straightforward, though still challenging builds for beginners. And finally, both have their own advantages and disadvantages:

Farr 3.7:
Has CAD plans already available for laser cutting which removes one major source of potential errors. There is no second hand market to speak of in the UK so sails, spars, etc. would all need to be newly bought, which raises the initial price (Though it might be possible to home-build the spars if the right raw material is available. I will need to further look into that.) According to Wikipedia, the crew weight range goes all the way up to 90 kg (yay!), although competitive helms are no more than 85 kg.

Streaker:
Would require us to transcribe plans to a CAD system first if we want to go the laser cutting route. There is a large existing class in the UK, with an established second hand market for bits and pieces, which would lower the initial costs. Slightly lower crew weight range than the Farr from what I could find.

We are now close to tossing a coin. The possibility to keep costs down makes the Streaker a bit more attractive, but the already existing CAD plans and (let's be honest) higher adrenaline factor of the Farr are important points as well.

First though, we will check one last time that our build space really will be available for at least a year. Just to be on the safe side.

Thanks again for all the helpful pointers and comments!


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In build: Farr 3.7 GBR 410 (both sail number and the current number of loose parts)
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JimC View Drop Down
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Post Options Post Options   Quote JimC Quote  Post ReplyReply Direct Link To This Post Posted: 18 Mar 14 at 2:34pm
Originally posted by ChrisB14

after all building in a cramped space can't be fun.

Its not. A 14' by 2m (!!) boat in a normal single garage isn't too bad, but a 12' boat is better. A 17ft boat, even if under 1m wide, is a right PIA. Unless you have a remarkably uncluttered garage then it might even be worth seeing if you can rent a lockup garage down the road or even use one of the storage companies for all the other stuff in the garage whilst the build is going on. Aprt from anything else its good if the pushbike/lawnmower/whatever doesn't get too covered in the inevitable dust.

Edited by JimC - 18 Mar 14 at 2:36pm
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Post Options Post Options   Quote ChrisB14 Quote  Post ReplyReply Direct Link To This Post Posted: 19 Mar 14 at 10:29am
17' by < 1m ... I wonder what that might have been ;-)

We had our B14 in a single garage for some repairs late last summer and while there was enough space to work on it, it was tight.


B14 GBR 748 Bullet B
In build: Farr 3.7 GBR 410 (both sail number and the current number of loose parts)
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