Mini class using the promo style chasis

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US772
US772
332 posts
332 posts
17 Feb 2014 12:29am
Chook2 said..

Here is one way of getting the mast well forward.



There are some awesome photos in the "Carels" gallery.
www.pbase.com:443/waltercarels




I heard this boat was really fast going straight.
US772
US772
332 posts
Chook2
Chook2
WA
1249 posts
WA, 1249 posts
19 Feb 2014 4:50pm
Great source, for some new designs there, many thanks US772

Seems to be a trend happening with a forward mounted mast step.



Chook

US772
US772
332 posts
332 posts
20 Apr 2014 6:47am
nice mini video
US772
US772
332 posts
332 posts
20 Apr 2014 7:02am
aus230 said..

Finished up grade (finish a little rough like to see how it go's) Bit of work to do on boom.











Aus 230 I'm trying to understand how your changes made your mini a better mini.
Better grip on the rear by moving the sails ce foward? Center sheeting causing less hiking/sliding due to boom angled (self depowering) not being as centered on the fuselage?
aus230
aus230
WA
1660 posts
WA, 1660 posts
20 Apr 2014 10:32am
Not sure why, but the yacht feels much better balanced, more or less set up similar to my class5. Last sailing day I lent it to a club member to sail in the class5 races and it was very completive with the fives. It is a lot faster now than any of the minis that I have sailed with. Before the changes it was very average.
BenBoulder
BenBoulder
WA
261 posts
WA, 261 posts
23 Apr 2014 6:01am
US772 said..

nice mini video


Is that ballast/sandbags at his feet or a plastic bag with his spare clothes?
aus230
aus230
WA
1660 posts
WA, 1660 posts
27 Apr 2014 12:06am
I think it is ballast Ben, They appear to be able to sit a lot further back than we do in our yachts, I tried moving back further on my 5 and it became uncontrollable in the corners. Had to add weight to the front to get some control. (I think Paul had the same problem)
TeamWally
TeamWally
VIC
47 posts
VIC, 47 posts
27 Apr 2014 2:21am
G'day Aus230, The introduction thread has gone stale so excuse me for jumping in here. Mick from Gippsland, early stages of building 2 x LL minis for the good woman and self to play with on the 90 mile beach. I have to know ..... What ever happened with the Berminator, the thread died without any report on the wing?
aus230
aus230
WA
1660 posts
WA, 1660 posts
27 Apr 2014 12:34am
Hi Mick, I left the wing mini with crazy trav, He is now the keeper of the yacht. It was a fun build but I moved on to building a class3.


berminator
www.seabreeze.com.au/forums/Land-Yacht-Sailing/Construction/trav-sailing-the-berminatorlake-lefroy-wa/

The class3 build
www.seabreeze.com.au/forums/Land-Yacht-Sailing/Construction/Class3/
US772
US772
332 posts
332 posts
6 May 2014 11:39am
The latest. Amazing how this class is progressing.



landyacht
landyacht
WA
5921 posts
WA, 5921 posts
6 May 2014 2:07pm
yes ,but cleaning up the airflow over the wheels whilst projecting the chassis frames up higher does seem to be a mixed outcome.
mind you that yacht is going freeking fly at smith creek
KAONAONA
KAONAONA
230 posts
230 posts
7 May 2014 12:33am
landyacht said..

yes ,but cleaning up the airflow over the wheels whilst projecting the chassis frames up higher does seem to be a mixed outcome.
mind you that yacht is going freeking fly at smith creek


Paul,

How much do you think that yacht weighs? Looks kind of heavy!
desertyank
desertyank
1264 posts
1264 posts
7 May 2014 9:11am
US772 said..

The latest. Amazing how this class is progressing.





SWEEEEET!! Is that one of your's? Now I have to look up frog sails online........
US772
US772
332 posts
332 posts
7 May 2014 9:31am
It's from Frog Sails In Germany.
landyacht
landyacht
WA
5921 posts
WA, 5921 posts
7 May 2014 4:02pm
KAONAONA said..
landyacht said..



yes ,but cleaning up the airflow over the wheels whilst projecting the chassis frames up higher does seem to be a mixed outcome.

mind you that yacht is going freeking fly at smith creek


Paul,How much do you think that yacht weighs? Looks kind of heavy!


carbon pod.1kg
welded alloy? chassis 1kg
thin walledalloy axles 1kg
heavy carbon Wsurfer mast 2kg
5.5m sail2.5kg
pulleys/sheetrope 2kg
keep in mind that a blinged blowy is around 29kg, my own mini gets a whopping35kg.
i think this would be in the low to mid 30's if its got a carbon mast.
the axle length should be perfect for clay,added to the stiff spine(looks like 2 square tubes wlded together).
very light at the front as those kite buggy wheels are rather light. the wheel covers will barely pick up any stuff, unless you get a light rain
JoeHanson
JoeHanson
48 posts
48 posts
7 May 2014 4:23pm
Like the Micro Race the spine is shurely single piece, its just the seam showing.

Don't forget to count in the painting, at least 350gramms!!!
landyacht
landyacht
WA
5921 posts
WA, 5921 posts
7 May 2014 7:39pm
JoeHanson said..
Like the Micro Race the spine is shurely single piece, its just the seam showing.

Don't forget to count in the painting, at least 350gramms!!!


is it all Stainless steel? pop down the street and check will you
JoeHanson
JoeHanson
48 posts
48 posts
7 May 2014 7:58pm
Well the frontfork and the bolt-on for the axles look like a MicroRace-relative. My MR is stainless steel.
And with reinforced axles and seat and rigg at least 47 ++ kilos.
I think the green froggy design suits good but imagine an all Chrom/silver rocket style!!!!!
(Area 51-racing olny)
US772
US772
332 posts
332 posts
7 May 2014 11:15pm
"Chrome Silver Rocket Style" I've seen something like that before.
US772
US772
332 posts
332 posts
8 May 2014 1:24am
about 40 minis registered for the Worlds as of now.
KAONAONA
KAONAONA
230 posts
230 posts
8 May 2014 12:39pm
US772 said..

about 40 minis registered for the Worlds as of now.


What does your rig weigh?
US772
US772
332 posts
332 posts
23 May 2014 8:45am
152lbs.
Chook2
Chook2
WA
1249 posts
WA, 1249 posts
23 May 2014 11:27am
That's 69 kgs in our language.
Thanks for that US772, your most helpful.
US772
US772
332 posts
332 posts
24 May 2014 10:04am
US772 said...
"Chrome Silver Rocket Style" I've seen something like that before.






JoeHanson
JoeHanson
48 posts
48 posts
24 May 2014 6:47pm
Yeah! That looks fast!!! Good Heat-shielded too, (exept for the helmet: way too un-silver-rocket-style..)
wokelliott
wokelliott
WA
179 posts
WA, 179 posts
24 May 2014 7:40pm
Would like to see a side photo as it seems to have mast well forward with little mast rake, body weight well forward too, straight axle with little or zero wheel camber. All that is very similar to what Chook is finding with his experimenting.
US772
US772
332 posts
332 posts
24 May 2014 11:18pm
The axle is wood so when under load it flexes putting in a little camber. The rig should of been a few inches further forward.
US772
US772
332 posts
332 posts
15 Jun 2014 11:09pm
blake52
blake52
123 posts
123 posts
17 Jun 2014 2:44am
Wow, great stuff here.
I'm about to launch into building an I 5.6 mini for the Worlds. and need to get some basic dimensions to get started. The mast step question looks like it has a large number of functional answers...I'm looking for basic track and wheelbase numbers that work.
I have a huge pile of shrapnel to start with:
*A complete metal axle Ludic.
*A NZ rocket body/seat.
*An abandoned fed 5-style steel and aluminum frame project, Y under style.
*A carbon mast
*2 sails 4.0 and 5.0 (probably the 5.5 from my Fed-Rocket class 5 boat).

The easiest would be just put the mast and sails on the Ludic and figure out a way to stiffen the seat so the whole thing doesn't twist out of shape when the sail loads but I think it would perform better if it was a bit longer.
Blake
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