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Author Topic: 71 22-2 Flatback Re-build Watch and Comment Please  (Read 13642 times)

May 31, 2018, 08:19:56 PM
Reply #30

dirtwheelsfl

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Re: 71 22-2 Flatback Re-build Watch and Comment Please
« Reply #30 on: May 31, 2018, 08:19:56 PM »
x2 on the pressure wash/clean out first to see whats going on.   I would eliminate that center stringer altogether (at least from livewell aft) and run some kind of keel stiffener and put some bulkheads in. That way you can have an actual bilge compartment in the rear, along with the new tank compartment.

Hope the stringers dont need to be totally removed!

June 01, 2018, 06:55:01 AM
Reply #31

Marcel4t

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Re: 71 22-2 Flatback Re-build Watch and Comment Please
« Reply #31 on: June 01, 2018, 06:55:01 AM »
Okay, here is a video of my floor after pressure washing.  I did drill some holes in the stringers towards the back, and the bottoms have some wetness.  Take a look and let me know what you guys think? 
Thanks!

https://youtu.be/yxNeQUbxs60
1971 222

June 01, 2018, 08:00:41 AM
Reply #32

FL.flatback

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Re: 71 22-2 Flatback Re-build Watch and Comment Please
« Reply #32 on: June 01, 2018, 08:00:41 AM »
Front section definitely looks rough. Looking like that area needs rebuilding. As far as the hard stuff on top of the srtingers. Mine had the same stuff, thinking it's some type of bedding material for the floor.

June 01, 2018, 09:52:59 AM
Reply #33

Marcel4t

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Re: 71 22-2 Flatback Re-build Watch and Comment Please
« Reply #33 on: June 01, 2018, 09:52:59 AM »
x2 on the pressure wash/clean out first to see whats going on.   I would eliminate that center stringer altogether (at least from livewell aft) and run some kind of keel stiffener and put some bulkheads in. That way you can have an actual bilge compartment in the rear, along with the new tank compartment.

Hope the stringers dont need to be totally removed!
I think the stringers are solidly attached to hull, other than the front port side.
Any ideas on a keel stiffener?  Ive seen PVC pipe cut in half glassed over on the keel, maybe that would be an option?  Also, the keel has a strip of wood in them correct?  I bet that needs some attention. 
1971 222

June 01, 2018, 12:29:45 PM
Reply #34

dirtwheelsfl

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Re: 71 22-2 Flatback Re-build Watch and Comment Please
« Reply #34 on: June 01, 2018, 12:29:45 PM »
It looks like the previous owners stringer rebuild consisted of some wood glassed to the tops and thats about it...

First thing i would do is make sure the hull is supported nicely,  then cut the tops off the stringers and dig the foam out to have a better look at the tabbing onto the hull. At the very minimum i would tab the insides of the stringers to the hull, if the outside tabbing is stuck well.

Go ahead and remove the chine "stringers" too. Prepare to use that yellow crowbar  :great02:

June 01, 2018, 01:21:36 PM
Reply #35

Marcel4t

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Re: 71 22-2 Flatback Re-build Watch and Comment Please
« Reply #35 on: June 01, 2018, 01:21:36 PM »
It looks like the previous owners stringer rebuild consisted of some wood glassed to the tops and thats about it...

First thing i would do is make sure the hull is supported nicely,  then cut the tops off the stringers and dig the foam out to have a better look at the tabbing onto the hull. At the very minimum i would tab the insides of the stringers to the hull, if the outside tabbing is stuck well.

Go ahead and remove the chine "stringers" too. Prepare to use that yellow crowbar  :great02:
I'm going to assume that the hull is not supported good enough on the trailer huh?  I want to take it off trailer anyways, doing it in my back yard with no heavy lifting equipment other than a 3 ton jack will be a challenge. 
And good to know chine stringers can come out, thanks!
And
1971 222

June 01, 2018, 02:36:22 PM
Reply #36

FL.flatback

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Re: 71 22-2 Flatback Re-build Watch and Comment Please
« Reply #36 on: June 01, 2018, 02:36:22 PM »
Are you going to make a ground cradle? A engine hoist will easily lift the front or rear. To slide the trailer from under it.

June 01, 2018, 04:51:47 PM
Reply #37

Marcel4t

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Re: 71 22-2 Flatback Re-build Watch and Comment Please
« Reply #37 on: June 01, 2018, 04:51:47 PM »
Yes, I would like to build a ground cradle (making it easier to get in and out 1000000).  And cool, I will I'll rent an engine hoist. And be VERY careful.
1971 222

June 02, 2018, 09:17:15 AM
Reply #38

RickK

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Re: 71 22-2 Flatback Re-build Watch and Comment Please
« Reply #38 on: June 02, 2018, 09:17:15 AM »
You asked a few questions in the video (nice video by the way) -
The notch in the starboard stringer in the aft - in the early boats the top of the deck was sealed from the bilge and there was a trough that ran from in front of the engine (had the scupper drains there), to the starboard side and forward to the console.  This trough is used to run wires, harnesses, fuel line (console was inside the console, above deck) and steering. The trough had a lid that was screwed down every foot or so.  So that notch in the stringer allowed the trough to run across the aft of the boat.
The round tube like things in the front were used to pull the hull from the mold - that's all.
Chris (dirtwheelsFL) has a FB and has rebuilt a few of these things, so he's a great resource for you. Also look for a rebuild by Hawgleg.
FL.FB replaced his windows and is rebuilding his FB also. 
Rick
1971 "170" with 115 Johnson (It's usable but not 100% finished)

1992 230 Explorer with 250 Yamaha

June 13, 2018, 11:31:36 AM
Reply #39

FL.flatback

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Re: 71 22-2 Flatback Re-build Watch and Comment Please
« Reply #39 on: June 13, 2018, 11:31:36 AM »
How's it coming along?

June 13, 2018, 04:33:31 PM
Reply #40

Marcel4t

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Re: 71 22-2 Flatback Re-build Watch and Comment Please
« Reply #40 on: June 13, 2018, 04:33:31 PM »
Its going kind of slow with all this rain, it's been practically non-stop for weeks. And when its not raining, the heat has me limited to an hour before I tap out.  I just got a 10x20 canopy to set up so that will help with both issues. 
I got the transom wood out, wish my big compressor wasn't broken, an air hammer would have worked wonders. Been obtaining more tools and supplies.  US composites is not far from me, I got 2 sheets of 3/4 coosa, few gallons of epoxy, few yards of 1708, cabisol, and a few other things.  I have also been buying tools to help, like a dust collection shroud for my angle grinder, it awesome! 
Got more grinding on the skin and hull floor/sides.  I also want to make sure the boat is dried out totally before I start laying glass.
 


1971 222

June 13, 2018, 05:28:04 PM
Reply #41

RickK

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Re: 71 22-2 Flatback Re-build Watch and Comment Please
« Reply #41 on: June 13, 2018, 05:28:04 PM »
A GRIND-A-THON!!  :woohoo:
Boy do I remember those days.  Harbor freight 4 and 7" angle grinders with flap sanding disks in 40 or less grit - WHAM - it's gone  :8):
Rick
1971 "170" with 115 Johnson (It's usable but not 100% finished)

1992 230 Explorer with 250 Yamaha

June 14, 2018, 04:07:10 PM
Reply #42

theFunsmith

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Re: 71 22-2 Flatback Re-build Watch and Comment Please
« Reply #42 on: June 14, 2018, 04:07:10 PM »
She was due. Good call on the Coosa. I look forward to watching more videos on this build. There are not many aquasport rebuild videos out there, and I really wish there were, especially when I was just getting my feet wet.

June 19, 2018, 04:37:09 PM
Reply #43

Marcel4t

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Re: 71 22-2 Flatback Re-build Watch and Comment Please
« Reply #43 on: June 19, 2018, 04:37:09 PM »
How far do I tab the transom into the hull?
1971 222

June 19, 2018, 05:01:46 PM
Reply #44

FL.flatback

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Re: 71 22-2 Flatback Re-build Watch and Comment Please
« Reply #44 on: June 19, 2018, 05:01:46 PM »
I did roughly 12" on first layer then 8, 6. Any new pics?

 

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