Tiller crossbar :: Catamaran Sailboats at TheBeachcats.com

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Tiller crossbar

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dmgbear55

Rank: Mate

Registered: Jun 22, 2015

Last visit: Jul 06, 2018

Posts: 258
Posted: Aug 07, 2017 - 10:44 PM

Good to know we still all know how to scratch our heads and go find the appropriate alcohol for the remaining itch. It is also good to know what the best practices are, whether or not we have the tools and wherewithal to use them (I had to look up how to spell wherewithal could be that itch thing )

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dg
NACRA 5.2 #400
This End Up
Original owner since 1975
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P.M.

Rank: Mate

Registered: Jan 14, 2004

Last visit: Jan 26, 2025

Posts: 878
Posted: Aug 08, 2017 - 07:58 AM

leeboweffect
P.M.When I read this I had to scratch my head and go fix a double bourbon. There is no way a center punch like these are going to crush/deform AL tubing.
http://www.homedepot.com/…r-Punch-70079H/206007134
https://www.harborfreight…ed-center-punch-621.html

Most folks have never seen a spring loaded "automatic" center punch. The old punch in left hand, hammer in right hand smack it method prevails in home shops. Agreed the "automatic" type wouldn't crush the tube, but it will not help with centerline accuracy as the drill guide will.

Well this has been a fun lesson. Maybe if the operator of said hammer doesn't have the skill set or common sense to not Beat the Helll out of soft aluminum tubing, than maybe he does not belong in the DIY arena.
All the same, the bourbon was excellent.

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Philip
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Dogboy

Rank: Mate

Registered: Mar 19, 2004

Last visit: Apr 08, 2025

Posts: 965
Posted: Aug 08, 2017 - 08:17 AM

The point is, you need to use some method of locating the drill and keeping it on the mark. If you just try to drill directly onto the tube, the bit will wander all over the place. I have used a center punch on tubing countless times and it has worked fine for my needs on Hobie repairs. We are not talking aircraft parts here needing four deimal place precision, get within 10-20 thousanths and you're fine.

sm
leeboweffect

Rank: Mate

Registered: Apr 22, 2015

Last visit: May 21, 2023

Posts: 484
Posted: Aug 08, 2017 - 11:37 AM

P.M.All the same, the bourbon was excellent.

+1

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Hobie 16 (3 formerly)
MacGregor 25 (formerly)
Chrysler Dagger 14 (formerly)
NACRA 5.0 (currently)
High Point, NC
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gahamby

Rank: Mate

Registered: Feb 05, 2011

Last visit: Jun 15, 2021

Posts: 575
Posted: Aug 08, 2017 - 04:35 PM

I made my crossbar with 3/4" & 1" schedule 40 aluminum pipe.
The 3/4" sleeves into the 1" just right. I used pointed Allen key set screws to secure the 3/4" inside the 1".
http://www.sailrite.com/Drill-Steady-Tubing-Tool
I used a home made version of the item linked above for the drill guide.
You can find ground clamps of various sizes at your local electrical supplier.

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'82 Super Cat 15
Hull #315
Virginia
Previously owned: '70 H14, '79 H16, '68 Sailmaster 26, '85 H14T
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Edchris177

Rank: Chief

Registered: Nov 26, 2009

Last visit: Aug 10, 2024

Posts: 2531
Posted: Aug 08, 2017 - 10:52 PM

QuoteWhen I read this I had to scratch my head and go fix a double bourbon. There is no way a center punch like these are going to crush/deform AL tubing.
http://www.homedepot.com/…r-Punch-70079H/206007134

+1
I've had those for years. They are the only way to mark something when you need to do it insitu.

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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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gahamby

Rank: Mate

Registered: Feb 05, 2011

Last visit: Jun 15, 2021

Posts: 575
Posted: Aug 09, 2017 - 11:35 AM

So now I have a huge tool (don't go there!) shopping list plus the Bourbon. I hate to go cheap on either one.

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'82 Super Cat 15
Hull #315
Virginia
Previously owned: '70 H14, '79 H16, '68 Sailmaster 26, '85 H14T
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