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Stick Steer Project

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Stick Steer Project

Postby IDXCJUNKIE » Fri Feb 23, 2018 11:52 pm

Over the years I have really enjoyed everyone’s, photos, projects, and stories on this site. I have received so much advice and knowledge. I have owned 3 jet boats, my latest one, 98 CW Storm, I picked up from Bill on consignment at Whitewater Marine for a fairly good deal. It was 20 years old, but only had 43 hours on it.(I know sad) And in amazing shape other than the canvas. While it doesn’t have everything I have wanted, I love that these boats are forever restorable and customizable. This brings me to my latest project, Stick steer with an AT pump.
I figure its time I give something back and document some of my process. I will be completing this project as time allows and when the boat isn’t out fishing on a weekend. I have modeled it up in CADD with correct dimensions and calculated throws. My father has offered the services of his metal lathe and Mig and Tig welders. If anyone needs more detail or information, just ask. I am also open to advise. Jim
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Last edited by IDXCJUNKIE on Sat Feb 24, 2018 12:56 am, edited 1 time in total.
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Re: Stick Steer Project

Postby IDXCJUNKIE » Sat Feb 24, 2018 12:04 am

Here are some pieces he has made on his lathe.

This holds the switch at the end of the handle for the wipers. The O rings hold it in the handle.
I got the lighted momentary switch on amazon.
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Re: Stick Steer Project

Postby IDXCJUNKIE » Sat Feb 24, 2018 12:21 am

These Parts are what makes up the log control rod with the rod ends. I am using fairly thk walled 1.25" aluminum tube with a Aluminum weldable bung in each end for the 1/2" X 20 threaded rod to give me some adjustment. I couldnt find aluminum weldable threaded bungs, so they were made on the lathe.
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Re: Stick Steer Project

Postby IDXCJUNKIE » Sat Feb 24, 2018 12:29 am

Here are the last items that we have made. These are not SST or Aluminum so I will have to paint them or have them powder coated.
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Re: Stick Steer Project

Postby Eagle1 » Sat Feb 24, 2018 12:59 am

Nice

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Re: Stick Steer Project

Postby Stormtrooper » Sat Feb 24, 2018 2:07 am

How long are your "arms" front and rear? They need to be as long as possible. Just for the simple fact of needing the mechanical advantage.
Everything works great on the trailer but once you have pressure moving through that pump it's hard to bend that water.
My original design gave me a 2:1 ratio which gave me a 12" stick throw. But I had no mechanical advantage on that pump when at speed. I lengthened the rear arm that came from the stick back to a 1:1 ratio and got the mechanical advantage back. It gave me 16" of throw at the stick lock to lock. Much more comfortable to steer though.
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Re: Stick Steer Project

Postby smitty » Sat Feb 24, 2018 4:18 am

When I worked for Johnson Matthey / Honeywell ... got the opportunity to work with Autodesk AutoCAD 2000 and design parts in 3D

This rings a bell with me, and you are able to put things into motion which is quite clever.

Pay attention to the advice on throw and leverage - have not 'felt' it myself, but they have.
Re: reading water: "I use a completely different method.. When I get high centered I don't go that way again. " - bigcat_ak
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Re: Stick Steer Project

Postby Stormtrooper » Sat Feb 24, 2018 10:19 am

I just put it on paper with a pipe and a nail. No need for fancy CAD when you can simulate it live with full size parts.
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Re: Stick Steer Project

Postby IDXCJUNKIE » Sat Feb 24, 2018 8:21 pm

Storm trooper I really appreciate the advise. I think I will modify my lower arm at the rear. I work with the software a lot for my work, so its available, might as well use it. In reality, concept only goes so far. Nothing compares to the real world, actual building process. Its the only way to truly see all difficulties. Thanks again for the advise.
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Re: Stick Steer Project

Postby Stormtrooper » Sat Feb 24, 2018 9:08 pm

It's been a long time but I think all 3 arms are 8" or so. Total throw will depend on your stick length too.
My original rear arm coming from the stick was 4" and the one from the pivot point to the pump steering arm was 8". That's where I got my 2:1 ratio from.
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Re: Stick Steer Project

Postby IDXCJUNKIE » Wed Mar 07, 2018 10:44 am

Some work on the handle last weekend.

4925.jpeg
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Re: Stick Steer Project

Postby IDXCJUNKIE » Wed Mar 07, 2018 12:24 pm

5146.jpeg
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Re: Stick Steer Project

Postby julio » Mon Mar 26, 2018 8:36 pm

whats your plan for the fixed pivot point in the transom? with a bellcrank on each end it will be tricky. only mention it as I did this same thing years ago and gave up and went with a cable it worked and still works flawlessly. julio
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Re: Stick Steer Project

Postby Stormtrooper » Mon Mar 26, 2018 11:14 pm

The longer the bellcrank in the rear the less movement side to side you need. I can't remember lock to lock what the Hamilton arm needs. It's not much though
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Re: Stick Steer Project

Postby Oakes1 » Wed Mar 28, 2018 5:17 am

I did this on a twin many years ago. The rod threw the transom was 3/4 stainless bar with machined threads on both ends for the hymn joints. Les shwabs was nice enough to let me go threw their entire stock of cv boots until I found one that worked for the transom to rod seal. Don't remember what the part number was. Never leaked, worked perfect. Not sure if you can use this info, but maybe. :Drink:
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Re: Stick Steer Project

Postby IDXCJUNKIE » Wed Mar 28, 2018 9:06 pm

Thanks Oaks, I am using a 3/4 SST rod through the transom and using the same steering cable 7/8 all thread pipe to go through with the lube nuts on each end of the 7/8 all thread pipe. I am hoping this will work with two lube nuts and o-rings. I think he cable steering system calls it a splash well fitting at the transom.

Work has been busy, not much work on the boat. I have the 3/8 rivet nuts installed for the rear pillow block bearing, and thats about it. I will update as I get more done. Thanks for all your guys help and advise.
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Re: Stick Steer Project

Postby ukrb2b2 » Fri Mar 30, 2018 6:33 am

Looking at the drawings if you pull stick back the boat will go right, and if you push stick forward boat will go left. Is that correct?
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Re: Stick Steer Project

Postby julio » Fri Mar 30, 2018 7:08 am

take another look, he has it correct.
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Re: Stick Steer Project

Postby ukrb2b2 » Fri Mar 30, 2018 8:46 am

I see it now. Stick forward goes right, pull back goes left.
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Re: Stick Steer Project

Postby smitty » Sat Mar 31, 2018 1:53 pm

ukrb2b2 wrote:Looking at the drawings if you pull stick back the boat will go right, and if you push stick forward boat will go left. Is that correct?


That was the first thing that I had to verify, does the nozzle go the right way <c: As I recall, your boat was a right stick

I believe IDXCJUNKIE has the ability with his cad program to put it (the model) into motion
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