• **unknown user**
  
  

  • Rank: Lubber
  • Registered: Jan 01, 2024
  • Last visit: Sep 11, 2024
  • Posts: 32

  Posted: Oct 31, 2014 - 08:45 AM

  Another rookie question. Hobie 16
  I’m replacing my mast step that I broke as a rookie. When I ordered the replacement part, I also purchased a new 3 hole mast tang and a jib halyard pulley located near the bottom of the mast. The wheel was worn badly. The mast tang I have is a single hole which is very busy looking even with only one set of trapeze wires. I thought this would be a good time to replace these items at the same time. The mast plate “Kit” came with pop rivets. I think these are steel because it has some magnetic to it and is shiney. These pop rivets are 3/16” x ½”. My question is, when replacing the mast tang and jib halyard pulley, what type of pop rivets should I use? Should I find some like the mast plate ones I got? I’m thinking aluminum rivets would not be strong enough. I do have access to air and hand rivet guns but need to know what rivets are best for what I’m doing. Your advice, please. Thank you.

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• nacra55
  
  

  • Rank: Mate
  • Registered: Nov 02, 2004
  • Last visit: Aug 07, 2023
  • Posts: 626

  Posted: Oct 31, 2014 - 09:29 AM

  http://shop.mariner-sails…-16-Rivet-Guide_c419.htm
  
  --
  Ron
  Nacra F18
  Reservoir Sailing Assn.
  Brandon, Mississippi
  --

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• rattlenhum
  
  

  • Rank: Mate
  • Registered: Aug 01, 2002
  • Last visit: Nov 26, 2024
  • Posts: 426

  Posted: Oct 31, 2014 - 11:48 AM

  To decipher the chart in Ron's link (from the Hobie Catalog)....
  
  8010020 RIVET 1/8 X 5/16, BRASS
  8010051 RIVET 4-8 CSK ALUM
  8010071 RIVET 3/16x 5/16 ALUM
  8010121 RIVET POP 3/16x5/8 PH-SS
  8010131 RIVET POP 3/16x3/8 PH-SS
  8010151 RIVET, MASTHEAD SHEAVE SINGLE
  8010171 RIVET 3/16 x 5/8 CSK ALUM
  8010181 RIVET POP 3/16x1/4 PH
  8010201 RIVET 3/16 X 3/8" CSK
  8010261 RIVET 3/16 x 3/16 SS
  8011101 RIVET SEMI 3/16 x 9/16 ALUM
  8011231 RIVET POP 3/16x1/2 PH
  8011251 RIVET 3/16 x 1-1/8 PH-AL
  8011281 RIVET 1/4 X 1 RH SOLID-302 SS
  8011291 RIVET CAP
  
  The 3/16 x 1/2 stainless ones would work for the tang and cheek block, too.....they're just a little longer (and probably pricier) than the application actually requires. I try to keep a handful of them in my box of spares...they fit a lot of places on most cats.
  
  
  
  Edited by rattlenhum on Oct 31, 2014 - 12:14 PM.
  
  --
  Jerome Vaughan
  Hobie 16
  Clinton, Mississippi
  --

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• CatsailorMike
  
  

  • Rank: Lubber
  • Registered: Jul 08, 2005
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  • Posts: 97

  Posted: Oct 31, 2014 - 01:28 PM

  400 series stainless and monel alloy can be slightly magnetic. you should be all set...as rattlenhum says it's a good idea to have a few of various sizes in your parts box....
  
  --
  Mike Conway
  H16
  Hilton, NY
  --

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• klozhald
  
  

  • Rank: Chief
  • Registered: Apr 19, 2011
  • Last visit: Nov 20, 2024
  • Posts: 1460

  Posted: Oct 31, 2014 - 01:50 PM

  Be sure to seal everything you do with silicone. This will keep water out of the mast when you capsize, which is a major cause of going completely turtle.
  
  --
  Sheet In!
  Bob
  _/)_____/)_/)____/)____/)_____/)/)__________/)__
  Prindle 18-2 #244 "Wakizashi"
  Prindle 16 #3690 "Pegasus" Sold (sigh)
  AZ Multihull Fleet 42 member
  (Way) Past Commodore of Prindle Fleet 14
  Arizona, USA
  --

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• **unknown user**
  
  

  • Rank: Lubber
  • Registered: Jan 01, 2024
  • Last visit: Sep 11, 2024
  • Posts: 32

  Posted: Oct 31, 2014 - 04:04 PM

  Thank you to all. I am glad I joined this site! I will order the correct rivets with a few extra sizes as mentioned per the rivet chart Ron supplied along with the definitions Jerome supplied. Thanks again everyone!

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• Edchris177
  
  

  • Rank: Chief
  • Registered: Nov 26, 2009
  • Last visit: Aug 10, 2024
  • Posts: 2531

  Posted: Oct 31, 2014 - 05:39 PM

  Remember to dip the rivets in some sort of barrier coat before you pull them, especially if you are in salt water. It will prevent galvanic corrosion.
  Here is a recent thread on the same topic.
  http://www.thebeachcats.c…nc=viewtopic&topic=15291
  Don't forget to seal the mast rivets, to prevent water getting inside.
  
  
  
  Edited by Edchris177 on Oct 31, 2014 - 05:41 PM.
  
  --
  Hobie 18 Magnum
  Dart 15
  Mystere 6.0XL Sold Was a handful solo
  Nacra 5.7
  Nacra 5.0
  Bombardier Invitation (Now officially DEAD)
  Various other Dock cluttering WaterCrap
  --

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• RicardOben
  
  

  • Rank: Mate
  • Registered: Jan 24, 2012
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  • Posts: 173

  Posted: Nov 03, 2014 - 05:11 AM

  Also they make Rivet pockets, put them in first as with any pop rivet it is not sealed when installed the rivet cup with make sure it is sealed. HTH, R.
  
  --
  Lake Perry KS
  H-18
  N-5.5 UNI +spin
  --

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