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Plans or specs for OTT class 5 build

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Created by yankeesailor > 9 months ago, 7 Nov 2010
yankeesailor
56 posts
7 Nov 2010 9:39PM
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Hello from the states just found your web site and love it lots of info here. Im interested in building a OTT class five boat very much like the one Clemco has built years ago but Im unable to find any real plans or specs to go by. My last boat I built form scratch works great now but it took a lot reworking to get right and a lot of wasted money correcting the problems. This time I would like to go by a proven plan to minimize any mistakes. I understand all boats take fine tuning. Anyone that might have build a yacht similar to clemco class five and might have some drawings or photos would be very helpful Thanks guys.


oldMXer
130 posts
8 Nov 2010 1:11AM
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hello, nice to see someone else from the states. where are you located? i'm in indiana. not alot of other landyacht enthusiasts here. conditions here are just getting good for landsailing, i.e. leaves are just about off the trees.

yankeesailor
56 posts
8 Nov 2010 5:35AM
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Hi Im in NY long island. we have a pretty good sailing community here mostly blowcarts. Lots of ice boat sailing. But Im interested in stepping it up to one of these OTT class 5. We had a sailor stop at our site with a Seagul yacht very similar to the one clemco built and I loved it.

hills
SA, 1622 posts
8 Nov 2010 8:45AM
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G'day Tyrone, welcome to the forum!!

I'm sure I've seen some OTT plans on here, if I can find them I'll make them a sticky so they can be found easily in the future, I just can't remember who posted them.

EDIT: Here's the picture, it was Vic, who posted it. Its actually Clemco's yacht you posted.

Clemco
430 posts
9 Nov 2010 12:44PM
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Hi Tyrone, I'm happy to help you build one of these Yott's if you will post your progress on the seabreeze forum. The "plan" above is just a sketch, materials can vary depending on what you have available.

cisco
QLD, 12326 posts
10 Nov 2010 12:50AM
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Most generous of you to offer your technical assistance on this Clemco.

I am sure there will be more than yankeesailor and myself who will be keenly interested in it and it will certainly add another dimension for the garage handymen among us who would like to get into a, shall we say "a Formula 5 OTT Speed Sailer".

Landyacht has really kicked something off with the LLF Mini and Aus230 has posted some excellent information on his brand of Land Yacht building.

The collective knowledge here is some of the best in the world and certainly the best in the Southern Hemisphere. It deserves a sticky thread so that it does not get lost in history.

Do you feel like creating and titleing a thread for it and asking hillsy to make it a sticky??

Cheers Cisco.

aus230
WA, 1659 posts
9 Nov 2010 11:16PM
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I think that would be a great idea to get all the class5 building stuff together simalar to the sail making section with a sicky so that it is accessable to anyone interested in class5, happy to share my limited knowledge and learn along the way.Go for it Clem
cheers
aus230

www.seabreeze.com.au/forums/Land-Yacht-Sailing/Construction/Building-new-class-5/?page=1



www.seabreeze.com.au/forums/Land-Yacht-Sailing/Construction/Class-5-Sport/

Clemco
430 posts
11 Nov 2010 12:40PM
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Yes I would be happy to put together some more detailed drawings of what I have built,but it may take me a week or so to prepare something.
The most difficult part is the pod seat. I was fortunate to get mine from the Colin Palmer Class3 mould and all I has to do was join the two halves together and make the nose cone for it.

I think the plywood seat below (aus230) made for the under slung Y5 would be ideal for the job and easy enough for the average home builder.

Perhaps Vic could show us how he made that first while I get my drawings together. I only need to attach the frame to the floor of the seat so it may need a fairly solid piece of ply for that.

yankeesailor
56 posts
16 Nov 2010 11:10AM
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Thanks to Clem I have been working on putting alot of info together to build a YOTT class five yacht. He has most graiously taken time to take pictures and answer many of my questions about how he built his yacht. I am looking into purchasing steel and aluminun tubing now( no wrecked hangliders here in N.Y.) and hopfully find time to start my build. I will post some pics. when I get started. Thanks again Clem for all your help, im sure ill will need your wisdom along the build again.

aus230
WA, 1659 posts
28 Dec 2010 9:16PM
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hi yankeesailor have you managed to obtain the info to start your build?
cheers
aus230

blake52
123 posts
29 Dec 2010 12:01AM
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Yankee,
when I built my first class 5 I found drive shaft tubing was good for the 'y' it seemed to be available in the right size to fit aluminum pipe (stair rail or scaffold pipe) it is really high quality seamless and you don't have to buy 20' from a steel distributor.
Blake

yankeesailor
56 posts
29 Dec 2010 8:24AM
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Yes I have started my class 5 build. Bought my tubing, steel and aluminum. Built a jig. and have almost completed the main frame section. I have taken several pictures and will post everything I have so far soon. I was hoping to find a tig welder cheap enough, but no luck, so i am using my stick arc welder. Its fine just have to be real carful not to burn through. My welding skills have always not been pretty but I have never broken a weld and have on fail. I just have to do alot of grinding to make them presentable. As soon as I get this section done I will post pics.

Nikrum
TAS, 1972 posts
29 Dec 2010 3:35PM
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Ok! Yankeesailor,
Shake Hands with a Mug! My welding skills sound about the same but I do occasionally burn holes.
Keep at it and keep people out of your shed and you will get there
Ron

Clemco
430 posts
29 Dec 2010 6:40PM
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Hi Tyrone, I am looking forward to seeing your progress. I hope you made the adjustments as plan above. I am thinking the front end would be best with a solid rod type steering bar and single fork for the front wheel. It worked really well on our Imac Fed 5s. Picture below is an Imac front fork. The trick is the steering rod has to be the same weigh as the single fork, so they float balanced.


Test pilot 1
WA, 1430 posts
29 Dec 2010 10:56PM
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Is that Imac fork upside down?

Clemco
430 posts
30 Dec 2010 7:23AM
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Test pilot 1 said...

Is that Imac fork upside down?


Yes, it is actually from an Imac Duo.


Test pilot 1
WA, 1430 posts
30 Dec 2010 11:29AM
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I Thought so same as our promo front ends.

Clemco
430 posts
30 Dec 2010 12:59PM
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The same setup can also be done like this. Sort of what I had in mind for the Razor but using those rubber things from the base of windsurfer masts for the flexable joint. What do the Promo front ends look like?

landyacht
WA, 5921 posts
30 Dec 2010 3:39PM
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windsurfer joints are fine, but appear a tad bulky. not living near the coast led us to look for alternatives, like crazy travs hydraulic hose. or that set up with a bit of flat conveyor belt

desertyank
1262 posts
30 Dec 2010 5:00PM
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I don't know if you've seen these or not, but they're inline ball joints, and they're available from mcmaster carr, here in the States.

Seems like they were about $15 or so.



blake52
123 posts
31 Dec 2010 12:23AM
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http://www.midwestcontrol.com/part.php?id=3259
lots of metric sizes and Australian and South American distributors

I have used spherical rod ends on yacths that didn't use cables--those urethane and rubber connectors scare me...maybe for no good reason, since I have never seen one fail. I have a bike trailer that connects totally with urethane and seems to work well--maybe the stuff is stronger than it seems.

Hiko
1229 posts
31 Dec 2010 6:40AM
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The armoured hydraulic hose idea seems like a low cost KISS idea to me
I have used hydraulic hose as small motor couplings with success in the past

landyacht
WA, 5921 posts
31 Dec 2010 2:35PM
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I reckon if you went to the right shop on a slow saturday, they would give you some out of the scrap bin. a short offcut, even with SS outer

sn
WA, 2775 posts
31 Dec 2010 9:14PM
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Paul- our drill rigs are covered in hydraulic hoses, what size are you chasing?

lots of offcuts to be found here- just have to cut them off the roll

Nikrum
TAS, 1972 posts
1 Jan 2011 12:22AM
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Heysus! sn,
You are a bit game saying crap like that.,. That sort of admission on the web has gotten people fired before to day. Use Code Speak or send a private email.

That is the sort of mentality used by some Ram Raiders in Canberra a few years back. They thought they'd do an ATM and took Dads 4X4 and tried to rip it out of the wall with the Bull Bar and Winch . Silly buggers ripped the Bull Bar of the 4X4, they panicked and shot through leaving the BB with Number Plate at the scene[}:)][}:)] Dumb Shiites
Ron

sn
WA, 2775 posts
31 Dec 2010 9:39PM
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no problems with the boss here- our rigs go through LOTS of hose and there are always odd lengths left over which are too short to use - as long as I ask the fitters or thier supervisor its all good,
we are only talking about a couple of inches- not big amounts.

yankeesailor
56 posts
1 Jan 2011 7:52AM
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I have been looking for an object to cast a mold for the chassis or pod for my class 5 Yacht im building what do you think of this to make a mold and fiberglass or carbon fiber

Test pilot 1
WA, 1430 posts
1 Jan 2011 3:22PM
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Sit in it and make sure it is comfortable first, then go for it. Use what ever material you are most comfotable with for construction.

landyacht
WA, 5921 posts
1 Jan 2011 4:48PM
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sn said...


we are only talking about a couple of inches- not big amounts.

RECYCLING a couple of scrap off cuts

yankeesailor
56 posts
10 Jan 2011 8:15AM
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getting very close to finishing the main frame section and my thoughts are moving to the rear axles and front steering. I was going to go with just bmx fork front end like Clemco's original set up but I starting to consider this other step up that I see on the class 5 sport with or with out the mountain bike shock. It looks very simple to make and the steering tie rod push and pull looks straight forward none of the other problems with the other set ups. Does anyone have any close up pictures of this kind of steering / front wheel fork.


Nikrum
TAS, 1972 posts
10 Jan 2011 1:13PM
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OK Yankeesailor,
Have a look through my threads but this page has what you are looking for
www.seabreeze.com.au/forums/Land-Yacht-Sailing/Construction/Just-working-out-a-build/?page=10.
I've just been through all that stuff. I had some doubts and went with a twist to the steering method.
Ron



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"Plans or specs for OTT class 5 build" started by yankeesailor