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Old 03-11-2019, 07:43 PM   #101
Senior Member
The Gritz Carlton's Avatar
Brand: Thor Motor Coach
Model: THOR Chateua 35SF
State: Georgia
Posts: 4,051
THOR #11130
Originally Posted by blw2 View Post
an onboard generator was on my high list....a primary reason for getting a motorhome over a TT.
I'm not boondocking for days running it 24/7, but I love the ability to run the AC off grid.
We use it on super hot days on the highway for the house AC, and have used it a few times stopping for a few hours in the evening before bed or for a lunch break or such.... and for my morning coffee

An big inverter battery system like this with engine mounted alternator would work too for most of my needs, and i can imagine a day when this type of idea will overtake current technology.

I have often wondered why they don't install a smaller generator in place of the onans, more like the honda that FW describes. Maybe a hybrid of an inverter system, plus a smaller generator like his Honda on ly integrally mounted, to supplement for longer term needs might be an answer

Another thought..... my wife's honda van has technology now that automatically shuts down cylinders when the power isn't needed. I can imagine a chassis engine mounted generator, where the engine could run on reduced cylinders for extended idle times..... why carry around two engines when one will do?

Newer generators like the QD6000 are inverter generators, basically "shutting down" unneeded output while they run. although I don't need to run mine during day for A/C (dash unit cools coach well enough) I do use portables (Honda 2000's and Champion 3100) when boondocking. I wouldn't consider any MH that didn't have a generator of any kind. Always have a back up plan.

2018 THOR Chateau 35SF
Two Labs, Bugsie & Blondie
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Old 03-16-2019, 09:57 PM   #102
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Brand: Still Looking
State: Texas
Posts: 4,946
THOR #2121
Sprinter Alternator Option

This new 120-Amp alternator option at 58 Volts for Mercedes Sprinter OEM bracket is something I had not seen before, and shows aftermarket vendors realizing the need to address the shift to 48-Volt (nominal) electrical systems.

The initial post almost 4 years ago was about Roadtrek introducing an innovative system that was ahead of its time, but was limited to 3,500 watts (which in fairness was plenty for AGM batteries). This new alternator is rated at over 6,000 watts, making it possible to charge a large lithium battery bank in a matter of a couple of hours.

Product release: Alternator for Mercedes-Benz Sprinter N62 Bracket - American Power Systems, Inc.ģ

P.S. ó I think itís wrong to think these types of motorhomes donít have generators. Electricity is generated in a different manner using the vehicleís engine, but in effect itís still a generator. Again, not for everyone, but for some owners the entire system is better.

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