Hobie Cat Forums

It is currently Thu Aug 21, 2014 4:35 pm

All times are UTC - 8 hours [ DST ]




Post new topic Reply to topic  [ 95 posts ]  Go to page Previous  1 ... 3, 4, 5, 6, 7
Author Message
PostPosted: Wed Nov 06, 2013 1:27 pm 
Offline
Site Rank - Old Salt

Joined: Fri Apr 13, 2012 7:35 pm
Posts: 607
Location: Tuscaloosa, AL
OMG. World Peace in the Hobie 16 World. The guns have stopped firing, the war is over...............

Now, about the 6:1 downhaul and I saw mention of a 3:1 outhaul. What is that?


Top
 Profile  
 
PostPosted: Wed Nov 06, 2013 1:34 pm 
Offline
Site Rank - Old Salt

Joined: Sat Nov 06, 2010 8:10 am
Posts: 740
Location: Indianapolis, IN
I'm glad I switched from mechanical to electrical engineering :D

_________________
Zach


Top
 Profile  
 
PostPosted: Wed Nov 06, 2013 1:57 pm 
Offline
Site Rank - Captain

Joined: Mon Oct 14, 2013 3:23 pm
Posts: 48
sxrracer wrote:
OMG. World Peace in the Hobie 16 World. The guns have stopped firing, the war is over...............

Now, about the 6:1 downhaul and I saw mention of a 3:1 outhaul. What is that?


6:1 down haul is stacking boats on a trailer to sail in Mexico

3:1 out haul is only bringing 2 cat tracks so you have to pull boats on the beach 3 at a time

sheesh, I thought everyone knew that ...

:mrgreen:


Top
 Profile  
 
PostPosted: Wed Nov 06, 2013 4:12 pm 
Offline
Site Rank - Old Salt

Joined: Fri Apr 13, 2012 7:35 pm
Posts: 607
Location: Tuscaloosa, AL
RHoughVYC wrote:
sxrracer wrote:
OMG. World Peace in the Hobie 16 World. The guns have stopped firing, the war is over...............

Now, about the 6:1 downhaul and I saw mention of a 3:1 outhaul. What is that?


6:1 down haul is stacking boats on a trailer to sail in Mexico

3:1 out haul is only bringing 2 cat tracks so you have to pull boats on the beach 3 at a time

sheesh, I thought everyone knew that ...

:mrgreen:

ok, so you only have to make 3 trips with 2 pair of trax.......... so, that means you only leave 2 pair of trax in the sand............ Never would have figured that out..........


Top
 Profile  
 
PostPosted: Wed Nov 06, 2013 6:33 pm 
Offline
Site Rank - Admiral

Joined: Sun Sep 20, 2009 4:00 pm
Posts: 293
Location: Charlottesville, VA
rattle 'n hum wrote:
If the sum of all the forces is zero, and the force in that section of the Aussie halyard is 1/3 of the older system in that section, then there has to be more force in the other components attached to the mast (pigtail and shrouds).


That by itself is not valid logic. Less force somewhere doesn't have to mean more force somewhere else. It can mean less force somewhere else.

Quote:
And I submit to RH's point that it's not compression that causes the bending. Since the halyard is located outside the mast column, it's actually a moment with a very short arm, no?


I agree, too. The moment is a small component of the overall force (the rest is compression) but the bending is all we care about. 1/3 the halyard tension acting on the mast between the tang and the cleat, 1/3 the compression, 1/3 the bending moment. That's really the whole thing in a nutshell.

If anyone wants to start this over with a clean mind, think about it like this: Use the Aussie halyard. Then tie two lines to the tang, install two more cleats on the side of the mast, and then tension and cleat the two lines the way you did the Aussie halyard. Now you have three tight lines trying to bend the mast instead of one, no extra loads anywhere else. That is exactly the difference.

_________________
'00 H16 #104691 - '78 H16 #32692 ex-rental - Old Holsclaw trailer
My Hobie 16 pages


Top
 Profile  
 
Display posts from previous:  Sort by  
Post new topic Reply to topic  [ 95 posts ]  Go to page Previous  1 ... 3, 4, 5, 6, 7

All times are UTC - 8 hours [ DST ]


Who is online

Users browsing this forum: No registered users and 1 guest


You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum

Search for:
Jump to:  
Powered by phpBB® Forum Software © phpBB Group