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Legal Spinnaker Cloth #6677
07/19/04 02:10 PM
07/19/04 02:10 PM
Joined: Apr 2004
Posts: 159
grand rapids, mi
311 Temptation Offline OP
Western Great Lakes District Governor
311 Temptation  Offline OP
Western Great Lakes District Governor
Joined: Apr 2004
Posts: 159
grand rapids, mi
I see the new class rules are up as of 7.1.04. Thanks for that.

Regarding cloth rules, I thought I saw Airx600 was approved for our use. However, now I do not see that, and here is the offical ruling:

5.6 Spinnaker

.1 Minimum cloth weight is 0.75 oz. nominal and 0.9 oz. actual weight. Spinnakers must be made of nylon.

No mention of Airx 600. Please advise whether Airx is legal and which weight is approved. Thank you.

Dell Todd

Dell Todd
#311 Temptation
Holland MI
Re: Legal Spinnaker Cloth #6678
07/24/04 07:36 PM
07/24/04 07:36 PM
Joined: Mar 2003
Posts: 155
Annapolis, MD US
LChristy Offline
J/30 Class Measurer
LChristy  Offline
J/30 Class Measurer
Joined: Mar 2003
Posts: 155
Annapolis, MD US
This is a complex issue because various cloth manufacturers calculate cloth weight differently. I reviewed this issue about 2 years ago and went so far as studing the data from several production runs of Airex cloth. As a result of that study and consultation with Airex we approved Airex 700 and 650 for use in J30 spinnakers. However, Airex 600 is not heavy enough to meet the current J30 specifications.

Larry Christy
J30 Class Measurer

Moderated by  LChristy 

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