How to Cut and Fit New Stringers to a Jet Boat / 79' Centurion Restoration
Автокөліктер мен көлік құралдары
How to Cut and Fit New Stringers to a 1979 Centurion #jetboat
Getting these new stringers cut and fit to the hull of this jet boat is a big step for this project. I really wanted to take my time and be very methodical in the positioning, marking, and cutting of the new stringers. Since I chose to go back with a 2x6 stinger using CVG (Clear Vertical Grain) Douglas Fir, I had a fair amount invested in the lumber. The CVG wood is a good choice for this application because it has significantly less knotting, and is cut at a different angle to the tree as opposed to your standard lumber. This places the grain in a different direction from the wood which increases its strength greatly. Typically CVG is cut from older-growth wood in order to meet the knotting requirements, so it is also more compact in grain, and is much less prone to warping, bowing, or cupping. The main downside of CVG is its expense.
As a comparison, my stringers required 16’ boards. One 2x6x16 CVG Douglas Fir was around $140. Meanwhile, you can purchase a 2x6x16 Hem-Fir from the standard hardware store for around $20. (These prices were from the summer of 2022).
Since the cost of the wood is so high, I really was cautious and thoughtful when marking the stringers to fit the boat. There are a lot of talking points that I go over in this video that outlines how I chose to find the center point of the boat and how I chose the position of the stringers in the boat. I cover the methods that I used to mark the wood and make the cuts precisely.
I also address the locations of the water drains on the stringers, and how I deviated from the design of the previous stringers.
I ended up covering a lot more in this video than I expected. I initially planned on covering the installation and tabbing of the stringers in this video as well, but I felt that the video was getting too long. So I chose the cut this video into two sections. This video covers the positioning, cutting, and fitting of the stringers.
My next Jet Boat video will cover the installation, tabbing, and laminating of the stringers into the hull.
My goal is to try to keep the detail high in these videos, while also trying to keep them from getting too long and drawn out. I will try to break these videos down into smaller segments. So if you haven’t, I encourage you to subscribe to the channel and turn on notifications, so you can be notified of the new videos coming out. I hope that you find this series of videos to be helpful for your project, or just enjoyable to watch. If you have comments, suggestions, or tips that you would like to share please leave them in the comments section. I would love to hear what you have to say about the project and video…
Thank you for watching!!!
If you enjoyed this video take a look at my other videos on this 79 Centurion Jet Boat.
Cutting and Fitting the Stringers: • How to Cut and Fit New...
Transom Replacement: • Transom Replacement on...
Hull preparation & Repairs: • Repairing the Hull of ...
Transom Wood Removal: • Cutting Out & Removing...
Cutting Out the Stringers in my 79 Centurion Jet Boat: • Cutting out the String...
Replacing the Stringers in a 1979 Centurion Jet Boat: • Replacing the Stringer...
Comparing the Berkeley & Dominator Jet Drives: • Comparing The Differen...
Restoring Berkeley Jet Pump: • Restoring a Berkeley 1...
Assembling Berkeley 12JG Jet Drive: • How to Assemble a Berk...
Berkeley Stuffer Installation: • Installing a Bowl Stuf...
Installing an inducer into a Berkeley Jet Pump: • Installing an Inducer ...
Restoring and polishing out the transom: • Polishing out the Gel ...
Restoring the Gel Coat on a 1979 Centurion Jet Boat: • Resurrecting the Gel C...
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Пікірлер: 31
Excellent wood working skills. I bet you’d do great in the furniture business, too! 😄 I hope that sad looking keg in the background is full to keep you going through the build…
@AutoTechNick
Жыл бұрын
The keg is empty… And it has been for far to long. 😔
Love the emphasis on measure twice cut once! Great job as always Nick, look forward to seeing the continued great work!
@AutoTechNick
Жыл бұрын
Thank you!
Man this is great to watch. Wish I could be doing the stringers in my boat myself, but lack of space and experience means a restoration shop is doing it. Hopefully they do work half as good as you!!
@AutoTechNick
Жыл бұрын
Thank you. Don’t let experience stop you from taking on a new project. There is only one way to learn and get the experience… and that’s by diving in and getting your hands dirty. Now the space issue is harder to overcome! I CANNOT wait until I can get the boat out of my shop! I need the space badly… Hopefully your project goes smoothly For you and the shop doing the work. ~ Nick
Great work cant wait to see glass work on stringers
@AutoTechNick
Жыл бұрын
Thank you. Hopefully I’ll have the second part of the stringer install video uploaded within a few weeks. ~ Nick
Thanks for the info. I am going to attempt installing stringers in my jet boat this spring. This info will help.
@AutoTechNick
Жыл бұрын
Best of luck with your project!!
Excellent Work 💯 Great videography 👍🏼
@AutoTechNick
Жыл бұрын
Thank you Cory, I appreciate it!!!
Wood in a boat will go bad it’s only a matter of time. Use coosa. Great work
I been waiting for this video I’m replacing ones in my 68 Kona
@AutoTechNick
Жыл бұрын
Good luck on your Kona. Hopefully this video was a little bit of a help for you. Just take your time and think it through. ~ Nick
Brilliant
Love it very informative 👌
@AutoTechNick
Жыл бұрын
Glad to hear that you enjoyed the video!!
Great work I’ve been watching all your videos in preparation of doing stringers and potential problems that I may encounter on my 77 southwind 21’ mini day jet, my boat is currently a 1/4 stringer boat but wanting to put full stringers in. I see you’re a Washington boat as I am too in Bonney Lake
@AutoTechNick
Жыл бұрын
Thanks Derrick! Small world. I am up in the Seattle area. Maybe someday we'll meet up on the water. Sounds like you're planning on a decent-sized project by going to the full stringer setup... You will have plenty of work to keep you busy for a while! Best of luck with your build! ~ Nick
@derrickschumsky4404
Жыл бұрын
@@AutoTechNick Most definitely, Head to the Skagen end of the summer bash the weekend after labor day
@AutoTechNick
Жыл бұрын
@@derrickschumsky4404 I gotta get it on the water first…🤣
@derrickschumsky4404
Жыл бұрын
@@AutoTechNick definitely not for the lack of effort 🤣
Nice work once again Nick! Can't wait for the upcoming videos. Did you mention the dimentions of the wood you are using? If you did please disregard my question. Thanks again Nick keep up the good work!
@AutoTechNick
Жыл бұрын
Thank you! 🙏 the new stringers are 2x6 and for my boat they were 16 feet long. ~ Nick
Hello, you mentioned the hull of the boat having a V shape and you cut on your inside measured line so the stringer was cut on the long side. After that did you cut the bottom of the stringer at an angle so it matches the angle of the bottom of the boat?
@AutoTechNick
Жыл бұрын
Excellent question Shane. After making my initial cut on the inside (long side) of the stringer, I then flipped the board over. Since I marked both sides of the wood, the mark for the outside was still present since it is the short side. I made my initial trim with a jig saw, by giving the blade a step angle. I then used my 8" grinder to grind the wood down to the mark. I did not remove any wood from the inside edge that I just cut. This is what gave my wood the bevel that I needed to match the shape of the hull. I cover this around the 17:09 mark in the video. ~ Nick
Where did you find the wood for the transom and stringers??
@AutoTechNick
3 ай бұрын
I purchased it from a local lumber yard. They had to order the wood for the stringers, but had the marine plywood in stock.
@micahcarey3042
3 ай бұрын
@@AutoTechNick do you think a big box store would be able to order it?
@AutoTechNick
3 ай бұрын
@micahcarey3042 never hurts to ask.