| Tornado Class Ballot #83842 08/31/06 11:05 AM 08/31/06 11:05 AM |
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Posts: 1,200 Vancouver, BC | Does anyone else think these two proposals for Tornado class rule changes are contradictory? #5 proposes a slot fairing that typically runs from the front of the opening to about 1/3 back along the board...then mylar strips are used for the rest of the opening. This would mean those strips would be less than the 880mm required minimum from the #6 proposal.... Full ballot is here: 2006 Ballot
Mike Dobbs Tornado CAN 99 "Full Tilt"
| | | Re: Tornado Class Ballot Provisional Results
[Re: Tornado]
#83844 09/14/06 11:37 PM 09/14/06 11:37 PM |
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Posts: 1,200 Vancouver, BC | From Tornado ITA website News : Tornado News Complete News Listings and Archives
2006 BALLOT - Provisional Results internet - Sunday, September 10, 2006 By secretary
The provisional results of 2006 Class Rules Ballot are now available. The results will become final upon receipt of the Auditor's report, due at week's end.
PROVISIONAL RESULTS
SECTION A - GENERAL 1. Precedence of Class Rules 'text' over Official Plans 95.1% IN-FAVOR - PASSED
SECTION C - CONDITIONS FOR RACING 2. Total Boat Weight 80.5% IN-FAVOR - PASSED 3. Consolidate References to ‘Tell Tales’ 90.2% IN-FAVOR - PASSED 4. Add Permission For Personal Sail Numbers 82.9% IN-FAVOR - PASSED
SECTION D - HULLS 5. Fairing The Forward End of the Centreboard Slot 86.6% IN-FAVOR - PASSED 6. Full Length Centreboard Slot Sealing Strips (Gaskets) 68.3% IN-FAVOR - PASSED 7. Delete References to the terms 'Shell' and 'Shells' 97.6% IN-FAVOR - PASSED
SECTION F - RIG 8. Add Diamond Stay Maximum Diameter - 3mm 85.4% IN-FAVOR - PASSED 9. Delete ‘Trapeze Lines’ from Standing Rigging Weight 82.9% IN-FAVOR - PASSED
SECTION G - SAILS 10. Optional Number of Gennaker Retrieval Points 90.2% IN-FAVOR - PASSED
CLICK ON THE LINK BELOW TO SEE A FORMATTED RESULTS TABLE: PROVISIONAL BALLOT RESULTS so it would seem that both the faired centerboard trunk opening AND the full length (880mm) slot strips proposal's both passed. So how does one interpret this? Must a boat with a faired opening also run the full 880 mm strips? Do all boats have to fair their slots? Mike.
Last edited by Tornado; 09/14/06 11:38 PM.
Mike Dobbs Tornado CAN 99 "Full Tilt"
| | | Re: Tornado Class Ballot Provisional Results
[Re: Glenn_Brown]
#83846 09/15/06 12:12 PM 09/15/06 12:12 PM |
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Posts: 1,200 Vancouver, BC | Why bother to fair if you've still got to put slot strips over that section...whole point of the fairing effort is lost (ie cleaning up the flow at the front of the boards).
Mike Dobbs Tornado CAN 99 "Full Tilt"
| | | Re: Tornado Class Ballot Provisional Results
[Re: macca]
#83848 09/16/06 03:45 PM 09/16/06 03:45 PM |
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Posts: 1,200 Vancouver, BC | Macca, Sorry mate but I gotta disagree with this...there is not a watertight seal at the slot opening...water is going to enter the case to the exact same level with ot without fairing the forward section. Both the slot strips & fairing help to keep water pressure from forcing water up the slot while the boat is moving...is that what you mean? I still maintain the fairing cleans up flow at the front section of the slot where boards sit. The strips do a reasonable job, but a well done fairing is much better. Whether fairings help improve boat speed to a noticable difference has yet to be proven (to me anyway <img src="http://www.catsailor.com/forums/images/graemlins/wink.gif" alt="" />). I still like to raise the boards in light conditions...this does seem give us an extra .5 to 1 knot through the water (GPS verified). This technique is no longer an option when you've faired...cause when boards are up you end up with a wide/slow opening at the front of the slot. Here is the faired slot pic from the Yahoo Tornado forum: The reason you fair the front of the case is to seal it up when the poard is down, this means you are carrying a lot less water in the case when you are sailing. I will try to take som epics today of the front of my case, and the strips on my boat.
Last edited by Tornado; 09/16/06 03:50 PM.
Mike Dobbs Tornado CAN 99 "Full Tilt"
| | | Re: Tornado Class Ballot Provisional Results
[Re: Tornado]
#83850 09/16/06 05:57 PM 09/16/06 05:57 PM |
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Posts: 3,528 Looking for a Job, I got credi... | Macca, Sorry mate but I gotta disagree with this...there is not a watertight seal at the slot opening...water is going to enter the case to the exact same level with ot without fairing the forward section. Both the slot strips & fairing help to keep water pressure from forcing water up the slot while the boat is moving...is that what you mean? I still maintain the fairing cleans up flow at the front section of the slot where boards sit. The strips do a reasonable job, but a well done fairing is much better. Whether fairings help improve boat speed to a noticable difference has yet to be proven (to me anyway <img src="http://www.catsailor.com/forums/images/graemlins/wink.gif" alt="" />). I still like to raise the boards in light conditions...this does seem give us an extra .5 to 1 knot through the water (GPS verified). This technique is no longer an option when you've faired...cause when boards are up you end up with a wide/slow opening at the front of the slot. Here is the faired slot pic from the Yahoo Tornado forum: The reason you fair the front of the case is to seal it up when the poard is down, this means you are carrying a lot less water in the case when you are sailing. I will try to take som epics today of the front of my case, and the strips on my boat. Picture does not work !
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