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Old 06-13-2016, 07:33 PM   #501
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Greetings,
Mr. SK. Another possible source of "weight" may be a high volume tire shop. I have no idea what they do with their old wheel weights but you may be able to swing a deal with their discards.
Tried that route already RTF. There's a well established network of 'scrappers' who routinely scoop (they pay approx. 25 cents/lb) up all the used weights around here. Only about half are actually lead anymore though. I've even tried to mine the berms at the shooting range. Apparently they have a prior arrangement with someone who does that a couple times a year!
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Old 06-13-2016, 08:22 PM   #502
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Why not build a wildly large battery bank
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Old 06-14-2016, 07:46 AM   #503
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Why not build a wildly large battery bank
Thought of that too. Having batts under the engine and inaccessible could be problematic methinks. I could fit 2 x 4D's down there. To remove a batt I'd have to remove the drive shaft etc.

Thoughts?
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Old 06-14-2016, 10:49 AM   #504
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Lots of barges use old rail track 'connectors' as ballast; heavy small and flat , easy to fit under the engine.

You can get them free when they rip up the old tracks and replace them with welded track; ask at your local train station maintenance depot.
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Old 06-14-2016, 12:16 PM   #505
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Greetings,
Mr. Rb. Could be wrong but I think they still bolt the tracks together here in North America. Temperature extremes and all...
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Old 06-14-2016, 12:36 PM   #506
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Greetings,
Mr. Rb. Could be wrong but I think they still bolt the tracks together here in North America. Temperature extremes and all...
I think they heat the rail before welding it to allow for heat expansion, and some systems actually stretch it with a hydaulic rams as its laid. Not sure how long the welded sections are?

I seem to remember some rail used in Australia has a slots cast into the bottom to take some heat expansion?
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Old 06-14-2016, 04:13 PM   #507
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I think there's a big desire to have something useful take up the space and make the weight for ballast such as batts or f/w. My NavArc buddy is willing to do the stability calcs for me when we get it in the water so I'll know either way. If it's not a good setup I'll pull the bladder or whatever out and stick in some iron or lead.

Anywho. You know you're making progress when you start drilling holes in the hull!



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PS. The tracks are bolted together in this part of the world.
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Old 06-14-2016, 06:17 PM   #508
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Greetings,
Mr. SK. Agree that your "space" would NOT be a good place to put items that need periodic service (batteries). While it would be very nice to have your weight AND useful storage in that particular area, for the life of me, I can't think of anything nautical that would fit the bill or space, as it were. Beer just isn't heavy enough and hefting tool boxes in and out of the bowels would get stale really fast. Sections of old rail track perhaps??? Only problem with that is you'd have to know how much to add...Still thinking.
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Old 06-14-2016, 08:46 PM   #509
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AGM batteries are "service free"
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Old 06-15-2016, 03:23 PM   #510
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Rearranging Inventory. Web log updated: M/V She:Kon: Rearranging Inventory
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Old 06-16-2016, 09:50 AM   #511
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Do you have enough structure in the hull, to take the weight of the drive line, without causing the hull to deform?
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Old 06-16-2016, 01:33 PM   #512
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Do you have enough structure in the hull, to take the weight of the drive line, without causing the hull to deform?
I should think so. The designer is well versed in composite construction so I assume he's done the math.

I usually go overkill on the fiberglass etc. The white oak engine beds will add a lot more strength to the stringers as well so the weight of the engine/transmission (abt. 565 lbs) will be distributed over the entire length of the stringers.

So the stringers are abt 2-1/2" wide by 22' long (X2) that's 1320 sq in. 565 lbs divided by 1320 is abt .4 lbs sq in. Did I do that right?
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Old 06-16-2016, 02:45 PM   #513
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Craig wrote;
"Lead is ideal but as you've noticed it's pricy, besides air and moisture cannot wreak havoc with the steel if it cannot reach it."

That's what Willard thought when they put steel punchings in the concrete in bilges. Well the sea water got to mine .. at least in the laz. I had to help jack hammer it out. Did I put steel back in? .. no I put in lead.
They thought the water could'nt get to the wood stringers in FG boats too. It did. I think way over half of the 2x6 (ect) wood stringers, frames and most all other glassed over wood eventially got wet and rotted.
Even epoxy cracks and in goes the water. It's a boat right?

Not pick'in on you one bit Craig.
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Old 06-18-2016, 07:58 PM   #514
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I should think so. The designer is well versed in composite construction so I assume he's done the math.

I usually go overkill on the fiberglass etc. The white oak engine beds will add a lot more strength to the stringers as well so the weight of the engine/transmission (abt. 565 lbs) will be distributed over the entire length of the stringers.

So the stringers are abt 2-1/2" wide by 22' long (X2) that's 1320 sq in. 565 lbs divided by 1320 is abt .4 lbs sq in. Did I do that right?
Checks out.

I didn't realize you had the stringers in and read to bed in the engine.
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Old 06-19-2016, 08:29 AM   #515
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I huff'd and I puff'd but I whipped that ole' hunk of iron into submission!



Actually my little 2500 lb winch did most of the work getting it up the ramp without breaking a sweat!



It'll get serviced next week then I'll spruce it up a bit with some new paint and it'll be ready to go in the boat. Got a lot of stuff to do before that but hopefully week after next I can hoist it up and drop it on the engine beds.

Standby....
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Old 06-19-2016, 08:59 AM   #516
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Looking great old boy!


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Old 06-19-2016, 10:27 AM   #517
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Old 06-19-2016, 10:36 AM   #518
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I vote bright pink for engine color.That way you can spot any leaks that may come up.
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Old 06-19-2016, 09:17 PM   #519
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I vote bright pink for engine color.That way you can spot any leaks that may come up.

It'll match his frilly knickers and stockings too


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Old 06-20-2016, 10:18 AM   #520
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