I have changed the rigging on my mini. I would appreciate your help in letting me know if this looks right.
I am considering placing some rivets on the boom rather than using the knots for the two pulleys. Good idea or bad idea? I will tidy up the knots if I am keeping them.
Should I use a larger line for the downhaul?
Thanks for your help.
Brian
Mr S Dent
Bad Idea!!! Though using Rivets may not be a threat directly to life and limb they can threaten an otherwise happy weekends sailing. We found that their use in Hang gliders was extremely dangerous when used in "A under Tension" mode as after a little use they Will break free. This scenario did happen to a Home Builder in the Auckland Hang Glider Assn when I was a member luckily the pilot was at very low altitude and survived to tell the tail. No I would stick to the ropes but go for a thinner (Probably 300lb) around 3/16 Dyneema. Swivels aren't necessary.
And, please be careful of my Mini, you have scratched the boom.
Ron]
PS; I would also move the 2 Boom Sheet Blocks forward to nearly directly over the Hull anchored Block
Pop rivets are fine on a land yacht.......... Your not going to fall out the sky
The reason people often use cord to attach pulleys is they can change them easily to adjust the setup.
My suggestion is use stainless steel rivets rather than aluminium as they corrode badly with high levels of salt, sand, mud etc.
You can only use rivets on metal tubing as other materials won't hold them.
Another alternative is the set up I use on one of my minis
You could adapt your existing blocks to something like this by removing the swivel
and putting the blocks in a f/ glass saddle
It can be moved along the boom by adjusting the centre bolt
Just a suggestion I find it good as the boom can be brought down low when I want
Brian,
I have been cruising the pages and noted something you may be interested in.. In the photo's your Boom Rowlock appears to be naked against the boom and you have the mast sitting in plastic in the Mast Step.
You could always use some Black Poly Pipe up to and slightly above where the Rowlock is contacting the Mast..
Just a thought
Ron
PS. The Plastic doesn't look so neat,
Thanks Hiko, I will give that a try.
Nikrum:
I wanted a neat boom end so here is what I did. I took a polyvinyl silicon impression of the boom end. (I have an old dental impression mixing machine with lots of old impression material in my shop...handy little guy) I poured the impression in dental plaster to get an exact duplicate of the boom end. I then used the machine we use for making dental mouthguards to vacuum form a plastic cover using 3mm clear plastic. I then cut the excess off with a hot knife. The resulting plastic piece snaped onto the boom end. For added security, I glued it on with Gorilla glue.
10 out of 10 for inventivness!!
you could probably claim a refund from your health insurance company too!
Damn! That is a bleedin' nice job. LAst I heard it was plain old Ali..
Tell me why is Dentists can use their Melons doing jobs like that but when you need them to be inventive medicly it is No Go??
Ron
PS; I told you you northerners were Anal about finish
Sorry Brian but I gotta pick this up BS in Medical Science?? So that is what Medical Science is all about[}:)] Mind you it is good to see Professionals keeping up with the chosen careers. Congratulations.
I spoke to a dental Prostheses t (Thet done look right) but anyway I asked about a Specialty Mouth Guard I wanted made. The isdea was a silicone seal affair that would fit mainly between Lips and Teeth as well as clamping in my teeth this would have been to seal against Air Pressure blowing out of my mouth when asleep as I use a CPAP machine. The answere was one of disinterest and No such thing. No thought of experimentation etc. Hence my doubts about inventiveness.
Ron