Johnson 18 rudder and tiller

[Mark Beaton]

Recently acquired a Johnson 18 from a scrapyard in Paterson, NJ! It's missing the rudder assembly and sails. 

I'm a sailmaker so the sails won't be an issue. 

The rudder is the real problem.

. Can someone send me a tracing of the rudder and tiller or direct me to a source? I looked through the forum and see a few solutions that might work but I want to explore all options.

Thanks in advance!

[markgri...@gmail.com]

Congrats on the find. 

When I broke my centerboard a few years ago, I contacted Roger Martin (designer) and he send me the CAD file for it. I then had one fabricated by Competition Composites in Canada. Much better than the original, but expensive. However, if you’re able to fabricate one yourself, that’s where I’d suggest you turn.

Hope you get it in the water. It’s a fun boat to sail.

Best,

[alfre...@gmail.com]

Greetings,

I was on the same boat... ;-}  not long ago. this was my answer, and it has worked out wonderfully.

Customer service, purchasing, and shipping was a breeze.

https://tinyurl.com/55yjsv6e

[Tyler Wolf]

Mark,

Not to hijack this thread but I just split my center board two weekends ago when righting from a turtle… I am in contact with Ross at Rodger Martin Designs who is the current engineer since Rodger has passed. He has been a great help but has thus far not been able to locate any of the original drawings, CAD, calculations, etc… for the center board. If you still have the information you were given lying around it would be a great resource to have as I repair mine. Right now Ross and I are in talks of reverse engineering the board so I can make one with a shear spar in it to avoid this issue in the future. Thanks in advance!

[Mark Griffin]

Hi Tyler - Perhaps these will help…:)

<50CBD.DWG>

The second file is legit - it’s the CAD file.

Sent from my iPad

On Sep 20, 2024, at 11:57 PM, Tyler Wolf <tylerw...@gmail.com> wrote:

Mark,

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[MARK BEATON]

Hi Alfredo,

Thank you for the link. 

I have a few questions about your new rudder. It looks like a nice product. 

Did the pintles fit onto the gudgeons without any issues?  

My gudgeons have plastic inserts. Do yours?

It looks like the pintles can be adjusted up and down for custom spacing. Does that work?

Rudder blade angle is adjustable?

Overall length of rudder from tip to top of rudder head on leading edge?

Thanks for your help. 

Mark 

Sent from my iPhone

On Sep 18, 2024, at 7:20 PM, alfre...@gmail.com <alfre...@gmail.com> wrote:



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[Mark Beaton]

What is the overall length of the rudder including the rudder head?

Thanks.