Solar in winter months?

in h said:
It is about the same, but just a little cheaper.
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So is it cheaper? Or the same?

in h said:
You forgot about the £500 cost of buying a generator.
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You forgot the premature wear on the MH engine. And idle with no load is no where near the same as driving at 20mph.... The force required to push a 3.5t brick through the air is very significant.

You also forgot the fact that the generator will continue to be worth most of that £500 for some time, you could get your money back if required.
 
in h said:
I'm guessing that an ice cream van engine is running about ten hours a day on average, seven days a week (with a few days off at Xmas).
Given that it's the equivalent of very gentle driving, let's assume it's like travelling at 20 mph.
So how far would the equivalent mileage be after five years?
20 * 10 * 360 * 5 = 360,000 miles.
Smoking after that "mileage" (or even half of that), doesn't seem like premature failure to me
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They smoke after the first year,ford tractors turn down glass bore claims for forestry tractors idling all day long.
 
SquirrellCook said:
If I didn't think it would fall on deaf ears I'd write a technical description and explanations as to why it is unwise to leave an automotive engine idling for extended periods.
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I'm keen to hear, just for reference. I'll be able to link to it next time this comes up lol.
 
St3v3 said:
You forgot the premature wear on the MH engine. And idle with no load is no where near the same as driving at 20mph.... The force required to push a 3.5t brick through the air is very significant.
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I dispute that running the engine for half an hour every few days would cause premature wear. As for the force required to push along at 20mph, you'd be surprised how little power is needed.
 
I don't drive far enough at that speed to find out. Do you?
But at 20mph on a level road, the engine is just idling.
 
in h said:
I don't drive far enough at that speed to find out. Do you?
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Ah, it sounded like you knew from your post. But just guessing. again. I haven't, but I can be sure that the vehicle doesn't all of a sudden get massive mpg at that speed, or we'd all be driving along at 20mph.


But at 20mph on a level road, the engine is just idling.
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Whilst, if the conditions were perfect, you might be able to cruise at 20mph @ 900rpm, the engine is far from idling. A lot more fuel is being introduced to provide the necessary power to overcome the drag and friction.
 
St3v3 said:
Whilst, if the conditions were perfect, you might be able to cruise at 20mph @ 900rpm, the engine is far from idling. A lot more fuel is being introduced to provide the necessary power to overcome the drag and friction.
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Another fact-free post from you. Here are some facts to mull over.
I have indeed sat in my car, which is automatic, and just let it idle in D. It doesn't reach 20mph, but given long enough, it gets well past 10mph. The tiny extra amount of power to get to 20mph is shown by the fact that the tachometer doesn't move far off the idle speed.
OK, this isn't a motorhome, but it is an easy way to assess how much effort is needed.
And, yes, I do this regularly, because I live on a road with a 20mph speed limit.
 
Trotter said:
Why do you type comments like this? We realise you are not on here to make friends, your copy book was marked years ago. Often, to many of us, you’re posts come over as obnoxious, merely for the sake of it. Not to make a point, but to get a reaction.
I’m sure if you were to look elsewhere. You’d find somewhere you’d find likeminded people. TBH, it’s getting tedious.
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Please mark me as "ignore" in the forum settings. I'll manage to get by without your attentions.
 
in h said:
I used to have a car that gave an accurate reading on consumption at tickover. .....it was always between 0.4 and 0.6 gallons per hour,
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Half a gallon per hour on idle, which you're equating to 20mph. Which would mean 40mpg at 20mph.

Do you really believe that to be anywhere near true?

Another fact-free post from you.
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I do apologise, I do have a habit of letting the people I'm talking to rub off on me...

in h said:
I have indeed sat in my car, which is automatic, and just let it idle in D. It doesn't reach 20mph, but given long enough, it gets well past 10mph.
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IT'S NOT IDLING!
 
St3v3 said:
Half a gallon per hour on idle, which you're equating to 20mph. Which would mean 40mpg at 20mph.
Do you really believe that to be anywhere near true?
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Sounds about right, yes. It does about 40mpg at 60mph
 
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