new project in GA, lots of q's

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youngster
youngster
11 posts
11 posts
4 Aug 2011 10:53pm
Hi, i'm Matei, 10th grader in Atlanta GA, and am making a landyacht for my Personal Project (a major assessment in 10th grade). I've been reading a lot of threads on Seabreeze on land yacht construction, and I've gathered enough to sort of start deciding how my yacht will be. I want to make a Class 5 sized yacht (but specs aren't really important since I'm not trying to go official or break any speed records) with a T-frame shaped chassis, and will most likely be using a modified lawn chair for the seat. Still, I have loads of questions:

-How are the back wheels attached? I've looked but haven't found many good pics to answer the question, if anyone could post a pic or two of their back wheel attachment that would be great.
-Is camber important on back wheels? I know that this can be useful when you go on two wheels, but is there any other reason (eg aerodynamics or something)
-Wheel/tire type and size: here in Atlanta, we don't exactly have a beach; I'll probably be sailing in a big parking lot, or go down to Savannah (there's a beach there 4 hrs drive from ATL). What kind/size of wheels and tires do I need?
-Steering: I'm probably going to try using the Club 88 steering setup, but I'd still like to weigh pros and cons for other types. I noticed the 'C' fork steering setup on the yellow Promo yacht that Landyacht built; how does that work?
-Rigging setups: what are the best options, pros and cons
-Mast and sail: size, type, etc. I'll probably be using a 5 sqm or so windsurfer sail; will i have to cut it down or modify its shape? Do i need bigger or smaller? Is a boom important or can I do without?
-Bearings: what are they? why are they important? which type are needed? do they vary in size depending on wheel? how are they attached?

If any of you could answer any number of these questions, it would be much appreciated
lachlan3556
lachlan3556
VIC
1066 posts
VIC, 1066 posts
5 Aug 2011 9:52am
Judging from the questions you have asked and some of the comments Im pretty sure you would be better building a Lefroy mini (also my advice for you). Carparks are not suitable for a class 5, just too dangerous. Any reason you wanted a class 5 machine? I once thought the Lefroy mini was too small and dinky, that was until I started sailing one

EDIT: Plus there are free plans for the Lefroy mini, and still heaps of scope to customise the design to your tastes.
desertyank
desertyank
1264 posts
1264 posts
5 Aug 2011 8:45am
Based on the limitations of your sailing places, I would also recommend the LLM sized rig. They work very well in small areas, and also work well on dry lake beds, beaches, etc...

Use the wheelbarrow wheels for simplicity, and $$$ savings.

Good luck, and keep the questions and later the pics of the build coming.


www.seabreeze.com.au/forums/Land-Yacht-Sailing/Construction/Build-a-Landyacht-Lake-Lefroy-Mini-Yacht/?page=1
youngster
youngster
11 posts
11 posts
5 Aug 2011 9:11am
Thanks,
i was guessing that someone would say something like that. To answer lachlan3556's question, the main thing I don't like as much in the LLM is the steering; i prefer the idea of pushing than rotating my feet, but that's minor after all and can probably be altered. i've considered both options and will probably end up making a mini, although I admit i'm still thinking on possibilities for a class 5 size yacht.
sn
sn
WA
2775 posts
sn sn
WA, 2775 posts
5 Aug 2011 9:34am
Gidday youngster,
You will find the Lake Lefroy Mini is going to be ideal for what you need, compared to a class 5 (A class 5 is just too big for carparks)
If you are using carparks and grassed areas like sporting grounds or parks you dont even need to modify windsurfer sails, just use standard sails and booms.
As for the LLM steering- you will have no problem using it at all, The steering is easy to operate, the yacht can be left in one piece and lifted onto a small box trailer for transport, or the rear axles can be slipped out to fit in the back of a station wagon or decent sized 4wd.
I often just drag my lefroy mini to the local park using a piece of very light steel tube hooked onto the front axle.
One tip for you- stick to the plans and you wont go wrong.
There are a few blokes in the USA on this forum who have built lefroy mini's and they will be able to help with information regarding locally available wheels and bearings and other stuff too.

All the best!
cisco
cisco
QLD
12365 posts
QLD, 12365 posts
5 Aug 2011 3:22pm
+1 LLM way to go and stick to plans.

Study this site and the various threads and you will find that all your questions will have already been answered.

This is a virtual garentee of success with your project. Happy Building.
Hiko
Hiko
1229 posts
1229 posts
5 Aug 2011 5:03pm
Youngster
I fully agree with the comments above I too had reservations about the
rotation aspect of the LLF mini steering but it really does feel quite natural
when you get to use it It just feels like a push motion in action to me
They are a great little yacht simple and cheap to build and perform well
Nikrum
Nikrum
TAS
1972 posts
TAS, 1972 posts
5 Aug 2011 8:49pm
G'day Young'un,
Well it is good to see a young fella doing something positive for his sporting self,
If you are really lucky you may get the rest of the family into the sport as well.
Landyacht/ Paul has a Speed Freak Daughter (Who woulda thought. A Girl)

Yup! First build a LLM. I have both and the Class 5 is way to big for a car park and can generate too much power and speed unless you have a really, really big Car Park. Any disused Air Fields near you??? Probably not. Anyway what ever you decide on "Go For It and enjoy the build and the Sailing" Hopefuly you have a great Metal Shop at your School. I suggest you get in contact with Tassiefubar and his Gang of Pirates www.seabreeze.com.au/forums/Land-Yacht-Sailing/General/The-MAD-HATTEN-PROJECT-FROM-CDHS/.
Ron
landyacht
landyacht
WA
5921 posts
WA, 5921 posts
5 Aug 2011 11:04pm
Lake Lefroy mini, do it .
trust me on the steering, it even works with 1 foot.
That's DaughterS , people, the girls are turning into wind addicts
Nikrum
Nikrum
TAS
1972 posts
TAS, 1972 posts
6 Aug 2011 11:04am
Oh! To be a Juvenile again! Yeah! Aus230 and Beachball "SHUT IT"!!!!!
Ron
sabydent
sabydent
360 posts
360 posts
6 Aug 2011 12:56pm
Youngster:

As a first time builder, I had a lot of questions and concerns. After a careful examination of this site and researching everything I could find about land sailing I decided to go with the lake lefroy mini. This machine is a cumulative effort put forth by a number of well seasoned veterans. They have been kind enough to share with us their years of experience and the results of years of trial and error. I strongly suggest you follow the plans as closely as you are able. You can show your personal artistic flair when you construct your seat and do your finish.

Take lots of photos and don't be afraid to ask questions. I found everyone to be most helpful, even Nikrum.(though you may need an Australian/American dictionary)

Have fun and enjoy.

Brian
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