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If Ernest was a really nice guy, he would have saved it in Excel format
for all you Windows guys that are still spending way too much money on
Office. .xls attached
Bob W. (Open Office is Free and works on Windows too!)
On Thu, 23 Oct 2008 15:10:33 -0400
"Ed Anderson" <eanderson@carolina.rr.com> wrote:
> Couldn't get your spreadsheet to work, Earnest.
>
> But based on my own I whipped up it looked I would save around $10.39 for
> the 190 mile trip. However, I was flying 770 miles in which case the
> savings were around $42.00. I did however spend approx another 2 hours in
> the cockpit. But, like I say, being retired I have no place to be in a
> hurry. So I land a couple of hours later with $42.00 more in my pocket.
>
> On the round trip to the Rotary Round up (round trip = 782 SM) and fuel cost
> 5.40/gallon I saved around $46.00. Another way to look at it is I saved
> enough to by 46/5.40 = 8 gallons of gas which means I could go fly another
> hour for FREE!!!!! {:>)
>
> Naturally the further you travel and the higher the price of fuel, the more
> $$ you save and the more time you spend.
>
>
> Now If I were gainfully employed making all the big $$ like some people I
> know and had to be someplace in a hurry (like work), then things would be
> different {:>).
>
> You really were bored weren't you {:>)
>
> Ed
>
> Ed Anderson
>
> Rv-6A N494BW Rotary Powered
>
> Matthews, NC
>
> eanderson@carolina.rr.com
>
> http://www.andersonee.com
>
> http://members.cox.net/rogersda/rotary/configs.htm#N494BW
>
> http://www.dmack.net/mazda/index.html
>
> -----Original Message-----
> From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On
> Behalf Of Ernest Christley
> Sent: Thursday, October 23, 2008 1:51 PM
> To: Rotary motors in aircraft
> Subject: [FlyRotary] Re: N613BX update
>
> Ed Anderson wrote:
> >
> > My best performance with the current 2.85 and 74x88 prop was 200 MPH
> > TAS 12.3 GPH burn rate at 9500 MSL. Pulling back to 10.3 GPH gave 190
> > MPH TAS. But, I normally cruise at 7.5-8.5 GPH at 140-150 IAS - just
> > too cheap to go anywhere in a big hurry {:>).
> >
> How much did you really save? You're burning less fuel, but you're in
> the air longer.
>
> OK, so I'm bored, with nothing to do but watch progress messages scroll
> by from my tests. I set up a spreadsheet for some comparative analysis.
> With a 50mph headwind (when Ed is at his safest), and fuel at $4.96/gal,
> you'll save $5.61 over a 190 mile trip and be in the cockpit for an
> extra 45 minutes or so. If that headwind were negative (ie, the evil
> tailwind), that extra fuel burn will make your trip 6.6 minutes shorter
> and your wallet $11.88 lighter.
>
> Moral: Relax in the tailwind, but pour it on in a headwind.
>
> I'm attaching the spreadsheet and a screenshot.
>
>
>
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> --
> Homepage: http://www.flyrotary.com/
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--
N93BD - Rotary Powered BD-4 - http://www.bob-white.com
3.8 Hours Total Time and holding
Cables for your rotary installation - http://roblinstores.com/
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