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Apples to apples; oranges to oranges!??
You are comparing a Hummer (8 mpg) to a tiny ATV. If the ATV were
powered by gasoline (80 mpg) your fuel costs would be less than $500
per year. Thus your "savings" would be -$400 per year. Payback - Never,
Never.
Don
zoe_lithoi wrote:
> My main point was just presenting the calculations. It was an
> initial posting, not a thesis. I didn't want to make my post any longer
> than it was. But here goes:
>
> Intiatial cost:
> -------------------------------
> PV panels cost: 17*300 = ~ $5100
> 4 batteries: 4*75 = $300
> New 150cc ATV: $2000 (call Pahrump Valley Motorsports for details...
> and no, I don't work for or with them).
> Hydrogen conversion kit: $1000
> Labor costs: free
> Land costs?: free, I already own the property I live on.
> --------------------------------
> Intiatial cost: $8400
>
> Maintenance Costs:
> --------------------------------------
> Battery replacement every 5 years: $300/5yr = $60/year
> Engine replacement every 5 years: $2000/5yr = $400/year
> Miscellaneous maintenance: $1000/5yr = $200/year
> Replace PV panels every 20 years: $5000/20yr = $250/year
> --------------------------------
> Yearly Maintenance cost: $900/year
>
>
> Yearly Gas Savings:
> --------------------------------------------
> 5gal/day * 365days/year * $2.50/gal = $4560
> --------------------------------------------
>
> Payback time: --- about 2 years as follows:
>
> 2 years x $4560 savings = $9120 savings
>
> Initial cost plus 2 years of maintenance = 8400 + 2*900 = 10200 total
> cost after 2 years.
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