Search found 35 matches

by Ralph Knowles
15 Feb 2004, 05:46
Forum: General IOM
Topic: converting deck stepped masts to keel stepped masts
Replies: 6
Views: 4757

Mast Mod.

Hi Bruce I was forgetting about the gooseneck screws. Any stub insert would have to be solid and have grooves to accomodate them, not an impossible task though. As for the 'uniform section' of the spar, this only applies between the lower and upper measurement bands. What designs of yachts are we ta...
by Ralph Knowles
15 Feb 2004, 00:53
Forum: General IOM
Topic: converting deck stepped masts to keel stepped masts
Replies: 6
Views: 4757

Mast Conversion

Hi Bruce Not easy to convert from deck to keel stepped without major 'surgery'. The stepping of the mast at the keel needs the installation of a mast box, preferably tied to the fin box to give it strength. There is also a need to support the mast both longitudinaly as well as axially at or above de...
by Ralph Knowles
15 Feb 2004, 00:38
Forum: General IOM
Topic: About the Zipper
Replies: 5
Views: 5013

Hi Francisco, Why not try a proved IOM design which is readily able to be self built, such as the Nimbus II or the Kite. Their designs are available on the sailsetc.com site or there is a free design which unfortunately does not go into the exact building details called the Triple Crown. Details are...
by Ralph Knowles
11 Feb 2004, 06:39
Forum: General IOM
Topic: deck patches
Replies: 4
Views: 4252

Deck Patches

Hi Ed, This is a salutary tale about using the wrong material for deck patches. It may not apply in your case as I suspect that your yacht has a fully moulded deck with hatches fitting the access cut outs. This tale refers to a Bantock designed 'Kite', which had been built of cedar planks with an 'I...
by Ralph Knowles
22 Jan 2004, 02:34
Forum: Class Rules
Topic: Hull Corrector Weights
Replies: 64
Views: 53446

Hi Steve I humbly stand corrected about the movement of hull ballast as has been discussed on the other general forum. I can now add Lesters gem of wisdom to my information bank. I also failed to refer to app.E before pontificating. Even so I would be a bit anxious about half a pound of lead rattlin...