Subject: RE: [harryproa] My Little Mule (sketch)
From: "Antonio Tutusaus" <atutusaus@telefonica.net>
Date: 8/24/2010, 10:58 AM
To:
Reply-to:
harryproa@yahoogroups.com.au

 

Dennis:

 

It is basically a net of the desired Squire size you Desire. I searched the nett some 8 years ago a found a website about knitting a fishing net where it was al clearly explained with pictures.

 

All you need is a stick, the diameter of which determines the net hole size, and a simple wood tool (itcan be a stick) to accumulate the rope to be knit.

 

I will try to post pictures of mine this week.

 

Toni

Barcelona

 


De: harryproa@yahoogroups.com.au [mailto:harryproa@yahoogroups.com.au] En nombre de Dennis Cox
Enviado el: lunes, 23 de ago
sto de 2010 23:15
Para: harryproa@yahoogroups.com.au
Asunto: Re: [harryproa] My Little Mule (sketch)

 

 

Toni,

 

How do you make them?  And can it be made so that it comes off for trailering?  Can you recommend a book, or link or something... preferably with pictures? 

 

Dennis

 


 


From: Antonio Tutusaus <atutusaus@telefonica.net>
To: harryproa@yahoogroups.com.au
Sent: Mon, August 23, 2010 4:45:29 PM
Subject: RE: [harryproa] My Little Mule (sketch)

 

Doug:

 

I’ve always made my trampolines. Buy enough rope and knitt while you watch TV at night.

They have worked alright.

 

Toni

Barcelona

 


De: harryproa@yahoogroups.com.au [mailto:harryproa@yahoogroups.com.au] En nombre de Dennis Cox
Enviado el: lunes, 23 de agosto de 2010 12:40
Para: harryproa@yahoogroups.com.au
Asunto: Re: [harryproa] My Little Mule (sketch)

 

 

Hi Doug,

 

I wanted the rudders out pretty far and I wanted the beams to be just outside those to help transmit the rudder loads.  With this three beam design there is almost no torsion of the lee hull.  Helps since its of relatively week lauan.  Since its doesn't have to racking loads and the trigulation resists all the in-plane shear loads it should be a very stiff and strong structure without resorting to exotic materials or lots of fiberglass.  But... I didn't factor any thinking for the trampoline.  I just assumed the triangle... 8' x 9' wouldn't be an issue.  But then I've never made one.  Is there one?

 

Thanks,

Dennis

 


From: Doug Haines <doha720@yahoo.co.uk>
To: harryproa@yahoogroups.com.au
Sent: Sun, August 22, 2010 9:29:09 PM
Subject: Re: [harryproa] My Little Mule (sketch)

 

Hi Dennis,

Nice.
How about the netting/trampoline? Maybe splay those outside beams less.

Doug

--- On Sun, 22/8/10, Dennis Cox <dec720@att.net> wrote:


From: Dennis Cox <dec720@att.net>
Subject: [harryproa] My Little Mule (sketch) [1 Attachment]
To: harryproa@yahoogroups.com.au
Date: Sunday, 22 August, 2010, 18:43

 

This is my current thinking... although, I want to re-check my numbers based on Rick's last message about using an aspect ratio of 7 to 8 and see if how much I can reduce the size of the rudders.  Since I have no way of doing a non destructive rudder strike, I will be evaluating that some.  Its configured to articulate the hulls and I have some ideas to restrict that motion, but they're not in the drawing.  Windward hulls been analyzed with Godzilla is about 10% more drag than a semi circle cross section... again... hopefully, can get it planing early and overcome that deficiency.  Can always sit on back of windward hull (with the articulation) raise the nose to encourage planing.  With the big flat bottom, expect it won't be too difficult.  Although it will be a bumpy ride!

 

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