I misspoke earlier. Most (almost all) spinnaker poles are fixed length. In heavy air, you may want more of the spinny behind the main to depower the sail/boat. Shortening the pole can help you do that. Also/similarly, if you carry more than one size spinny, and don’t want to carry multiple poles. If you primarily buoy race, or if you only have one spinnaker, a fixed pole is best (lighter, cheaper). In addition to the weight and cost penalty for being adjustable, whisker poles are sized for higher compression loads than spinnaker poles (at least according to Forespar).
Keith Sneddon From: [email protected] [mailto:[email protected]] On Behalf Of [email protected] Sent: Wednesday, June 30, 2010 2:40 PM To: [email protected] Subject: Re: [IC27A] spinnaker pole I can see the point of an adjustable whisker pole, but why would you want to adjust the length of a spinnaker pole? Chuck Fogel Bloody Mary #2381 In a message dated 6/30/2010 8:41:07 A.M. Central Daylight Time, [email protected] writes: I depends on your spinnaker size and configuration, the wind strength, the sea state, and your point of sail. That’s why they’re usually adjustable, and/or you carry a couple different lengths. There is a legal maximum. Somebody else probably knows what that is. There are a lot of on-line vendors for aluminum tube. You probably want it clear anodized in 6061-T6. McMaster will absolutely nail you on shipping. Higher strength alloys (such as 2XXX or 7XXX) usually don’t make sense, as the pole is buckling, not strength, critical, and the higher strength/cost alloys generally do worse on corrosion concerns. I rebuilt an adjustable really big whisker pole that had failed (on the internal smaller diameter section) in buckling. If you hunt around, you can probably find a damaged pole, and scavenge off the adjustable system. All I did was accurately measure the damaged section, and hunt down the equivalent tube on-line. A little measuring, a little cutting, a little drilling, a little sealant, a couple of rivets, and bing-bang-boom, a new pole. Keith Sneddon From: [email protected] [mailto:[email protected]] On Behalf Of Mark Robertson Sent: Wednesday, June 30, 2010 9:19 AM To: IC27A@ Subject: Re: [IC27A] spinnaker pole What length should a spinnaker pole be for a C27? >>> Read Howarth <[email protected]> 6/29/2010 5:34 PM >>> Try McMaster-Carr for an extrusion. Sent from my IPhone Read S Howarth TBG West Manager Group Benefits 6077 Bristol Parkway Culver City, California 90272 310-573-7419 [email protected]<mailto:[email protected]> 310-463-4234 cell On Jun 29, 2010, at 3:25 PM, [email protected]<mailto:[email protected]> wrote: Sounds OK as long as the extrusion you got will handle the loads that a working pole has to carry. John McLaughlin 1975 SR #1994 "Shambhala" -----Original Message----- From: Ivan <[email protected]<http://yahoo.com/>> To: [email protected] Sent: Tue, Jun 29, 2010 5:58 pm Subject: Re: [IC27A] spinnaker pole Wow! Way to go man. What were these fittings, and is this an adjustable pole? You should show off your work and show us some pictures. -Ivan Sent Using my Blackberry 8350i ________________________________ From: [email protected] Sender: [email protected] Date: Tue, 29 Jun 2010 17:55:27 EDT To: <[email protected]> ReplyTo: [email protected] Subject: Re: [IC27A] spinnaker pole I shopped around for a metals/aluminum distributor and bought a 12 ft extrusion for about $100, ordered end fittings from Defender and put it together myself. Total coast was about $200. Chuck Fogel Bloody Mary #2381 Montrose Harbor, Chicago In a message dated 6/29/2010 1:50:10 P.M. Central Daylight Time, [email protected] writes: I need a spinnaker pole for my C27 (which came from the PO with spinnaker but no pole, other than an adjustable whisker pole). The Forespar pole carried by West and others seems a bit pricey at over $500. Any other suggestions? Used would be fine, if you know of one. Matthew Chachere "Bochinche" Brooklyn/Sag Harbor NY ________________________________ This e-mail and any files transmitted with it may be proprietary and are intended solely for the use of the individual or entity to whom they are addressed. If you have received this e-mail in error please notify the sender. Please note that any views or opinions presented in this e-mail are solely those of the author and do not necessarily represent those of ITT Corporation. The recipient should check this e-mail and any attachments for the presence of viruses. ITT accepts no liability for any damage caused by any virus transmitted by this e-mail.
