

| Subject: | Re: Couple of minor propane fridge mods |
| From: | Stephen Grisanti |
| Date: | Tue, 20 Jun 2017 14:55:03 -0400 |
Did not intend to start a Friday-type debate so I'll blame Alistair. Stephen Mobile > On Jun 20, 2017, at 2:46 PM, David Beierl <dbeierl@ATTGLOBAL.NET> wrote: > > I would personally reserve "squirrel cage" for a blower where the rotor was > a modified cylinder rather than a plate with wings. But that's me. > > On Tue, Jun 20, 2017 at 2:42 PM, Edward Maglott <emaglott3@gmail.com> wrote: > >> I agree you have squirrel cage fans there. but there is a muffin fan too, >> in the 3rd pic down. the 3 little squirrel cage fans are best visible in >> the 5th photo. David, is a squirrel cage fan a type of centrifugal >> blower? Or are they by definition always the same thing? >> >> I used reflectix type insulation on the back of my fridge to try to keep >> the heat from getting into the back of the fridge. somewhere I have photos >> of it. I had to cut it to fit and I think I may have done several layers >> where there was room. >> >> If this link works it will show my attempt at insulating the exhaust tube. >> https://goo.gl/photos/LwUTcCyDjNHi7mTS8 There should be improved draft in >> the combustion circuit because the temperature differential between the hot >> and cold side should be greater. I know the fridge vent plate on the >> outside of the van is much hotter after doing this mod. That westy habit >> of always checking to see if the propane is still lit when you walk by... >> Edward >> >> >>> On Tue, Jun 20, 2017 at 12:18 PM, Alistair Bell <albell@shaw.ca> wrote: >>> >>> Hi Ed, >>> >>> Well the thermal wrap on the exhaust tube does reduce the heat, but not >>> eliminate it. After about 40 min the wrap is warm, not hot. Maybe I >> should >>> stick the temp probe on it to give you a better feeling about it. >>> >>> I know, the backside of the fridge. I couldn't figure out what to use and >>> there is a lot of stuff in the way that makes a full back insulation >>> difficult. But I will say that if I had suitable material I would have >>> jammed some in between the sheet metal shroud of the "generator" ( the >>> mineral wool insulated part above the combustion chamber) and the fridge >>> body. That shroud does get hot. But I just didn't know what to use to >>> insulate. >>> >>> Neil documented or posted about pulling the entire heat exchanger from >> the >>> tube inside the fridge. I chickened out after just a little trying. It's >>> just clipped on the tube right? Maybe I'll try again. >>> >>> Ok laff it up about my thermal paste choice. I used the aluminum coloured >>> anti sieze, im betting the copper based stuff would work even better. >>> :-) >>> >>> Alistair >>> >>>> On Jun 20, 2017, at 6:37 AM, Edward Maglott <emaglott3@GMAIL.COM> >> wrote: >>>> >>>> very nice mods! I insulated my exhaust pipe with a high temp wrap >>> blanket >>>> thing made to put on the starter motor. Does your double wrap of >>>> fiberglass tape stay pretty cool to the touch on the outside? the one >>>> thing I would suggest is to insulate the back of the fridge from the >> heat >>>> of all that hot stuff behind it. this seemed to make a big difference >> on >>>> mine, along with the above mentioned insulating of the exhaust pipe. >>>> >>>> I don't remember the fins coming off of the part inside the fridge that >>>> snaps onto the cooling pipe. seems like that was all one piece on >> mine. >>>> I was scared to pull on mine too. I found that I could get my fingers >>>> beside/behind the fins unit on the left side, at the end of the cooling >>>> pipe and hold it, then pull on the fins unit and it came off starting >> at >>>> that end. it was having quite poor contact with the cooling pipe. for >>>> replacing it, I first tried mayonnaise, then astroglide to improve >>> thermal >>>> transfer, but neither worked better than the Radio Shack thermal paste >> I >>>> found later. ;) >>>> >>>> Edward >>>> >>>> >>>> >>>> On Mon, Jun 19, 2017 at 6:13 PM, Steven Johnson <sjohnso2000@gmail.com >>> >>>> wrote: >>>> >>>>> Thanks, I'll check it out. >>>>> >>>>>> On Jun 19, 2017 5:50 PM, "Alistair Bell" <albell@shaw.ca> wrote: >>>>>> >>>>>> About the sim based wireless control of propex. Found it , here ya go >>>>>> Stephen, knock yerself out :-) >>>>>> >>>>>> >>>>>> https://www.sharkbait.website/1064/controlling-the- >>>>>> heatsource-hs2000-heater-from-your-iphone/ >>>>>> >>>>>> >>>>>> Alistair >>>>>> >>>>>> >>>>>> On Jun 19, 2017, at 1:52 PM, Steven Johnson <sjohnso2000@GMAIL.COM> >>>>> wrote: >>>>>> >>>>>> And while you are at it Alistair, can you rig it up so it can be >> turned >>>>> on >>>>>> remotely via >>>>>> wifi on Android and iPhone? :) >>>>>> >>>>>> Steven >>>>>> >>>>>> On Mon, Jun 19, 2017 at 4:39 PM, Roy Nicholl <RNicholl@nbnet.nb.ca> >>>>> wrote: >>>>>> >>>>>> Alistair, >>>>>> >>>>>> >>>>>> Next fridge challenge: a set of rails (one part of fridge, one part >> in >>>>>> >>>>>> van) and quick connects to allow easy installation and removal. >>> While I >>>>>> >>>>>> agree the fridge lights easily when squeaky clean and adjusted, it >> does >>>>> not >>>>>> >>>>>> stay that way long (at least mine doesn’t). >>>>>> >>>>>> >>>>>> I’d probably clean it more often if getting to the bench (and back) >> was >>>>>> >>>>>> smoother. >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> On 19-Jun-2017, at 17:01, Alistair Bell <albell@SHAW.CA> wrote: >>>>>> >>>>>> >>>>>> Nothing super earth shaking, just exhaust insulation and a bank of >>> three >>>>>> >>>>>> wee squirrel cage fans. >>>>>> >>>>>> >>>>>> https://shufti.blog/2017/06/19/vanagon-a-couple-of-minor- >> fridge-mods/ >>>>>> >>>>>> >>>>>> Alistair >>>>>> >>>>>> >>>>>> >>>>> >>> >>> >>
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