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 > Your search for posts made by 'mapguy' found 49 matches.

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  Subject Author Date Posted Forum
RE: Thru bolting a motor cycle chock

Through bolting with backup plates or into frame members is the only way the existing floor will take the load -long term. Remember most TH's use some version of engineered sheet goods (OSB)or a luan plywood/foam sandwich for subfloors. These sub-floor systems get soft very easily....
mapguy 08/14/17 10:40am Toy Haulers
RE: Your thoughts about changing tire size please

OP -you need 1" clearance between tires and about 3" of bump clearance at top/top inside of tire. Remember leaf sprung trailer axles oscillate as they follow the road imperfections. The three inch suspension travel expectation is on a trailer that is frame level when towing.
mapguy 08/05/17 04:58pm Fifth-Wheels
RE: Who here is tandem towing?

Yep - only worried about the western mountain states - don't care about OR or WA so that part is covered. I guess what really seems appealing is that I could get a smaller 5er (35'or so ) with 10' garage and still have room for expansion as my boy gets into whatever he wants to ride.. Just be aware that several variables, like overall length, hitching systems allowed, and braking requirements are codified on a state by state basis. The information about Washington and Oregon RV double/triple towing is accurate.
mapguy 07/27/17 09:06am Toy Haulers
RE: Spare Tire Lift VM

TRY THE LINK http://www.tecaassembly.com/rv.html
mapguy 07/25/17 06:52pm Fifth-Wheels
RE: What is the value of a level rig?

Funny thing here. Not one expert has referenced his experience weighing each axle separately on a cat scale. If you try it, you will find that an equalizer equalizes. The best reason to try and level a fifth wheel unit is to control ground clearance. The difference in axle travel is very slight. didn't use a Cat Scale, but have data on wheel position weights along with axle weights, pin weights, and total weights for inbound and outbound trips on my toy hauler. Weights will not show a marked difference of a trailer not being level. Being level gives the best ride period. It allows the trailer suspension to be in the neutral position so it has the use of the full range of suspension travel. Remember leaf sprung axles have very little suspension travel.
mapguy 06/29/17 04:53pm Fifth-Wheels
RE: What is the value of a level rig?

Doesn't the equalizer, if you have axles with springs, keep even weight on both axles...hence the name equalizer? Assuming close to level. Nope. Common misconception of the equalizer function. Equalizer is there to allow the axles to articulate individually while traveling. Suspension travel is limited any time the nose is high or low from the frame level position. Easy to see the suspension limiting action when trailer is disconnected by raising/lowering front jacks while viewing what happens at the equalizer.
mapguy 06/29/17 07:04am Fifth-Wheels
RE: What is the value of a level rig?

Level frame on trailer when towing provides a fully working trailer suspension system. Just being a couple inches nose high can leave the rear most axle with little to no suspension travel.
mapguy 06/28/17 04:07pm Fifth-Wheels
RE: ALTITUDE PRESSURE SENSOR

That year(and some other years like my 08) of Duramax have a fuel line problem when under load at high temperature. You can read about it on the Duramax forum. link Basically the rubber fuel hoses collapse due to the injectors sucking to hard. One cure is to get heavy duty hoses (the link provided solution) the other is to put a lift pump on the truck to feed fuel instead of having it sucked out of the tank. The lift pump solution has other advantages for the injectors but is around $1000 pro install vs the better hoses are $100 if you DIY. BTW: A code reader will likely say you need a new fuel filter or injector rail, or injectors. None of those are the problem it is low fuel pressure that causes the problem. I have a code reader and it kept telling me my fuel filter was clogged. It was not the fuel filter. One word of caution about the fuel filter. If it was not installed correctly (gaskets pinched) you may be having a air leak and that too will cause the symptoms mentioned. what code is popping? the fuel hose issue is the real deal and can have an effect on your injection pump (CP3)lasting. their is a TSB for the collapsing fuel lines. collapsed fuel lines cause the CP3 to work extra hard/get very hot.
mapguy 06/23/17 06:08pm Tow Vehicles
RE: Tire flex

Nitto Terra Grappler G2 are an aggressive all terrain tread pattern. It will tread flex way more than an OEM style all season type tire like comes from the factory new. The tread flex will reduce with miles, but will never "go away" completely in comparison to all season tread tires or a much milder AT tread design. Nitto suggests using the dura grappler for towing applications.
mapguy 06/23/17 05:58pm Tow Vehicles
RE: RV Command center panel

Raspberry Pi seems the way to go. Haven't messed with it, but seems pretty easy to grasp from what I've read Raspberry Pi is the rage in single board computers right now but IMO the Beaglebone series of single board computers is a little more user friendly along with being full open source unlike the Raspbery Pi and the Arduino based products. yes, we are just starting to see system implementation in the RV world of a canbus system - it is called RV-C and has its unique standards with potential to use multiple canbus library's for custom implementations of all types.
mapguy 06/22/17 12:44pm Do It Yourself Modifications and Upgrades (DIY)
RE: RV Command center panel

Raspberry Pi seems the way to go. Haven't messed with it, but seems pretty easy to grasp from what I've read Raspberry Pi is the rage in single board computers right now but IMO the Beaglebone series of single board computers is a little more user friendly along with being full open source unlike the Raspbery Pi and the Arduino based products.
mapguy 06/22/17 12:40pm Do It Yourself Modifications and Upgrades (DIY)
RE: Sailun Tires ?

Mapguy where do we find the load & inflation guide for Sailun tires? Thanks From Sailun -request it through their website. http://www.gosailun.com/MRT/Contact
mapguy 06/21/17 10:16am Fifth-Wheels
RE: Sailun Tires ?

second chance - Thanks for sharing your results running at 105 psi. Nothing better than hearing what has actually worked long term in the real world (not just inflation tables and charts). I appreciate it. Load and inflation chart published by Sailun plus ideally the weights of the individual trailer wheel positions allows a real world starting point for reduced by load inflation level. Trailers usually need 5 to 10 psi above the table.
mapguy 06/20/17 07:55pm Fifth-Wheels
RE: Gut check lithium 4S6P battery connections

picture of 4p4s setup from https://www.entropypool.de/2015/05/15/designing-a-lifepo4-battery-system-part-1-lifepo4-cells/ https://image.jimcdn.com/app/cms/image/transf/dimension=495x1024:format=jpg/path/s4d03b84c5c68cdfd/image/i39e4811875dac5b6/version/1448213610/image.jpg width=640
mapguy 06/18/17 12:40pm Tech Issues
RE: AirSafe 25K hitch problem

Was it air line parts/fittings you replaced? If so, did you trim the ends of the air line square without crushing the tube? Air brake tube needs very square end cuts without crushing to seal reliably. This doubly important with push lok type fittings.
mapguy 06/13/17 03:47pm Toy Haulers
RE: That Fuel Station Issue Again

EZ-8 or EZ-8RV model pump? Just went through this issue on my 2008 Rage'n. Make sure on the model by checking the serial number tag on the pump. Parts for EZ-8 are easy to find and reasonably priced at multiple places. EZ-8RV parts are available from one retail source. Price seems high in comparison. That source is Affordable RV located in Hesperia, California.http://www.affordablervhd.com If you are a qualified reseller, parts maybe available thru ECI Fuel Systems. ECI is the sole distributor of the Great Plains Industries EZ-8RV model pump. http://www.ecifuelsystems.com BTW, this is the first pump problem since buying the trailer new. The gear problem showed up after a long period of the trailer sitting with a full tank of treated non ethanol fuel. Got the pump to work fine with a little gear sanding. Not sure how long the repair will last so ordered a kit from Affordable RV.
mapguy 06/12/17 07:12pm Toy Haulers
RE: Gut check lithium 4S6P battery connections

Sometimes the simplest communications on here become so confusing. Agree
mapguy 06/10/17 11:30am Tech Issues
RE: Gut check lithium 4S6P battery connections

Why not just make one 12 volt battery? 6 cells in parallel 4 times? That would be a lot more interconnects. Don't understand you comment when I view the following picture from this post: http://www.rv.net/forum/index.cfm/fuseaction/thread/tid/29165028/gotomsg/29302293.cfm#29302293 http://photos.imageevent.com/2oldman/rvnetlinks/websize/inside3.jpg width=640
mapguy 06/09/17 01:58pm Tech Issues
RE: Gut check lithium 4S6P battery connections

Think you want to do 6p4s. What cells and BMS are you considering? Remember RV usage is similar to house battery systems on boats. Not really similar to EV battery systems due to the constant loads and multiple charging sources. Take a look at the following web pages: http://www.pbase.com/mainecruising/lifepo4_on_boats https://www.entropypool.de/engineering/ http://nordkyndesign.com/category/marine-engineering/electrical/lithium-battery-systems/
mapguy 06/09/17 09:46am Tech Issues
RE: Li batteries at 48vdc

No not drop in, his is special order Not too many RVs use 48v system Sold as a drop in 48v battery pack comprised of cylindrical cells and battery monitor system.
mapguy 06/01/17 07:16pm Tech Issues
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