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Old 06-05-2012, 08:53 PM   #101
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Re: The Roach Motel

I'm sure I missed it but what is your floor covering? It looks good and looks not to need high maintence?
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Old 06-06-2012, 10:58 AM   #102
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Re: The Roach Motel

The floor is some jute-backed linoleum that was left over from a previous renovation at the building where I work. It is nice, heavy stuff but was a bear to work with, especially for a first-timer like myself.
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Old 06-09-2012, 05:13 PM   #103
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Re: The Roach Motel

I've spent the last week sanding out the fiberglass body in preparation for buffing and polishing. That is WAY too much like work!

Where the tape stripes were is nice, shiny fiberglass while the rest is oxidized and dull. I started out wet sanding with 600 grit wet/dry paper but that wasn't aggressive enough to blend the two areas so I got some 400 grit paper which did a pretty fair job even if I did have to go over it several times. Surprisingly, the 400 grit left the fiberglass with a low gloss which was way better than what it was before. I followed the 400 grit with a quick pass with 600 grit then another pass with 1000 grit (all wet sanded). I can still barely see where the stripes and lettering was and I'm hoping the rubbing compound will erase all traces of them. Stay tuned.

The roof, in particular, was a rough, dark, nasty grey which soap and a sponge wouldn't budge. The sandpaper took the grunge off quickly and left a smooth surface. I have one more side to sand out then I'll use some rubbing compound and a low-speed buffer to bring back the gloss. After THAT cones a pass with polishing compound then a good coat of wax.

I also sanded, primed and painted my rusty wheelchair door frame, patched a big chip at the back corner of the body and built an accumulator for the water system. The idea is to trap some air in the system which will be compressed when the water pump runs. The next time water is needed the trapped air will force water out giving the water pump a rest. I just used some 4" PVC pipe with a tee at the bottom. It'll be a while before I can test it out.

Here's the body patch. I used Bondoglass to patch the chip then sanded it smooth with 80 grit sandpaper. after I took this shot I put on a coat of white gellcoat and tomorrow I'll sand out the gellcoat. Hopefully I won't have to put on another layer of gellcoat.



This is the cobbled up accumulator

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Old 06-09-2012, 09:56 PM   #104
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Re: The Roach Motel

Your air tank should do the job. They used to use a vertical section of pipe next to the old fashioned radiators in buildings to buffer the energy of the steam going through the system. Worked then, works now. I still want your floor!
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Old 06-10-2012, 07:24 PM   #105
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Re: The Roach Motel

Quote:
Originally Posted by ol trunt
Your air tank should do the job. They used to use a vertical section of pipe next to the old fashioned radiators in buildings to buffer the energy of the steam going through the system. Worked then, works now. I still want your floor!
Yeah, I couldn't think of any reason why it wouldn't work. All it's missing is the diaphram separating the air and water. In time air in the chamber might combine with the water so I put in a bleeder valve at the top to make it easier to drain down the water.
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Old 06-10-2012, 07:56 PM   #106
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Re: The Roach Motel

i wonder if you could build one of these and use a blood pressure cuff bladder... i bet that would work if sealed properly... and a bleeder like halfway up on the tank, like my well tank has.
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Old 06-10-2012, 08:02 PM   #107
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Re: The Roach Motel

Hadn't thought of building an accumulator tank! I'll bet it works good enough the way it is, I have also seen a similar setup on residential plumbing to eliminate water hammer, they just used a capped vertical piece of whatever diameter pipe was being used.
In the metro atlanta area, expansion tanks are required on all new waterheaters, just a small tank with a charged bladder to accept the expansion of heated water (without causing the emergency relief valve from lifting) since most municipalities are now requiring check valves to be installed just after water meter, Although the application is different, the concept is the same. Thanks for the idea! Hope you don't mind if I use it!
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Old 06-10-2012, 10:15 PM   #108
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Re: The Roach Motel

Accumulator tank with an RV water pump lessens the pump run (if large enough) when you flush the toilet in the middle of the night and big after market addition as many RV's have pumps mounted to where they make a lot of noise. Also lessens the pulsing water when taking a shower. Lots' of DIY how to's on how to make one. ModmyRV has one here.
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Old 06-11-2012, 11:48 AM   #109
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Re: The Roach Motel

Quote:
Originally Posted by atcc77
Thanks for the idea! Hope you don't mind if I use it!
No one gets to use this idea! This is MY stolen idea!

Actually, I remembered my brother's well tank which had a bad diaphram. It worked well enough that he didn't replace it for a year or two.

Edit: After looking at Lorna's link it appears that I stole their idea. I put my valve in a different location but otherwise the two are identical.
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Old 06-11-2012, 02:52 PM   #110
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Re: The Roach Motel

These PVC Pipe accumulator tanks have been being made for years. Earliest one I knew of was in a Mother Earth News Mag (1970's?). So the link I posted certainly wasn't original.
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