After managing to avoid any real landyacht building for almost a year, I've finally fallen off the wagon and returned to my old self destructive ways
I had a look at what is being builtand here were the results
Yframes-steel been there twice
ski axle-been done
yframe skis-been done
big wedge bodies-done
wooden axles-done
so I decided to go the next step in the arms race.
The OTT
first problem -not enough room to fit my ageing body underneath unless it has big wheels, but Im intent on sticking to those lovely fallshaws at the back.
Problem 2 after sailing down the beach at Goolwa , I saw the need to go up to a bigger diameteraxle which could sail over the rough stuff without bending.
so i decided to go with the 50mm BQ core tubing that Ive used on my class 5.
this means that i will need longer axles to get some flex, so if the axles went all the way to the mast i might just have th room to get my legs under.
initially I did full scale drwaings on the shed floor to get my angles but soon found that that didnt work so well . on attempt no 2 I have built a steel mock frame with the axle stubsand front collar fro the steering , and the mast step welded into place the worked backwards to build the chassis. it goes something like this
The axles go into place

the rear layover/alignment get set

the axle mounts go into place

add front suspension unit, seat mount and some simple bracing

Voila!! 3.5kg of the smallest chassis Ive ever built. every angle an odd one.
This baby will either be brilliant or a complete dog

to get it out of the frame I had to cut off the excess mast pipe, and one of the rear wheel supports, but they can be welded back on if someone is building one for themselves
side axles are 3kg each and the front suspension arm will come in at 1.5kg, so despite the heavy steel in the frame the weight is looking Happy

B.O.M. isobar map indicated wind good on Wed but rain on Thur (they got it right), (apologies to Laurie).
Blokart in boot, 20 min drive, arrive around 3:15 pm, have a scan and point face into wind. Opinion, yes, there should be a ride both ways. Try upwind first to assess how adventurous to be downwind.
Take photos fist to verify post. Just get 4 pics before camera shuts down because darling 16 y.o. daughter has flogged the good batteries out of camera so she can get all important shots of her and mates doing stuff on her camera!!![}:)]
The following stats recorded by "Topeak Comp 150" wireless bicycle computer calibrated to the rolling diameter of the front wheel of blokart.
Session Time:-53mins 37secs, Session Distance:-20.52klm, Average Speed:-22.9kmh, Max Speed:-64.3kmh.
Other non scientifcally measured stats, No. of people on beach for the day:-6 plus 1 dog on lead, Best Speed Upwind:- 25kmh, Length of Beach (Coonarr Creek to Elliott River):- 4klm, Beach Width (Sailable):- varying 5 to 15 metres, Success of 350mm Intermediate battens added to sail:- Spot On, Solitude Enjoyed:- More than enough (the rest of the buggers are more motivated to work than having fun), Sense of Satisfaction being able to do this:-P.D.G. (pretty damn good).

Here are the pics:-
South

East

North

Angle

Adios Amigos, Till we meet again,Cisco.