Today's Message Index:
----------------------
1. 04:37 AM - Re: AVGAS Prices (FLYaDIVE@aol.com)
2. 07:10 AM - Re: AVGAS Prices (Gil Alexander)
3. 07:38 AM - Re: AVGAS Prices (flyv35b)
4. 07:42 AM - Re: AVGAS Prices (flyv35b)
5. 08:14 AM - Re: AVGAS Prices (Gil Alexander)
6. 10:32 AM - Re: TeamGrumman-List Digest: 7 Msgs - 04/21/06 (GOLDPILOT@aol.com)
7. 01:59 PM - Re: Re: TeamGrumman-List Digest: 7 Msgs - 04/21/06 (Walt Beaulieu)
8. 11:46 PM - Re: AVGAS Prices (TeamGrumman@aol.com)
9. 11:48 PM - Re: AVGAS Prices (TeamGrumman@aol.com)
Message 1
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| Subject: | Re: AVGAS Prices |
--> TeamGrumman-List message posted by: FLYaDIVE@aol.com
In a message dated 4/22/06 2:39:06 AM Eastern Daylight Time,
gilalex@earthlink.net writes:
> At 11,000 ft, 2500 rpm, 123 kts gets 16.0 mpg
>
> At 6,000 ft, 2450 rpm, 123.5 kts and 15.35 mpg (interpolating)
>
> 4% worst mpg, same speed, but you would use more gas climbing the extra
> 5,000 ft.
>
> gil in Tucson
===========================
Gil:
Why are you using MPG, instead of GPH?
I know, you are just trying to confuse me ... Hey! It does not take much.
Barry
"Chop'd Liver"
Message 2
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| Subject: | Re: AVGAS Prices |
--> TeamGrumman-List message posted by: Gil Alexander <gilalex@earthlink.net>
Barry... just trying to determine the least fuel used for distance
travelled.... and hence get the lowest fuel cost component of that $150
hambuger.
Gallons per hour (which was on the original chart) does not take speed into
account, so I hid that column (GPH) on the spread sheet and made a new MPG
column...
To put it in common automotive terms, I mixed units and used statute miles
and not nautical miles.
The Tiger is in the MPG range of a large SUV, but travels 2 to 3 times
faster and takes a straight line....
gil in Tucson
At 04:35 AM 4/22/2006, you wrote:
>--> TeamGrumman-List message posted by: FLYaDIVE@aol.com
>
>In a message dated 4/22/06 2:39:06 AM Eastern Daylight Time,
>gilalex@earthlink.net writes:
>
> > At 11,000 ft, 2500 rpm, 123 kts gets 16.0 mpg
> >
> > At 6,000 ft, 2450 rpm, 123.5 kts and 15.35 mpg (interpolating)
> >
> > 4% worst mpg, same speed, but you would use more gas climbing the extra
> > 5,000 ft.
> >
> > gil in Tucson
>===========================
>Gil:
>
>Why are you using MPG, instead of GPH?
>
>I know, you are just trying to confuse me ... Hey! It does not take much.
>
>
>Barry
>"Chop'd Liver"
>
>
Message 3
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| Subject: | Re: AVGAS Prices |
--> TeamGrumman-List message posted by: "flyv35b" <flyv35b@ashcreekwireless.com>
Gil, I'm not sure where you got these numbers from but they look awfully
optimistic and don't agree with the POH for the Tiger.
At standard temp of 3 C and 6000 ft. and 2450 rpm the POH shows 9.25 gph
(interpolation) and that would provide 13.35 nmpg. 8000 ft at 2600 rpm
results in 132 kts and 10 gph or 13.2 nmpg. Not much different and nearly
10 kts. faster. This is over 2 nmpg less than what you mentioned and more
in line with what I've seen on numerous stock Tigers.
Actually, these numbers are very close to what I get in my "gas guzzling"
Bonanza at 160 kts operating at peak or on the lean side of peak EGT. I
would imagine that Gary is doing noticeably better with those HC pistons and
reduced drag. FYI a typical RV-8, -9, -7 will do about 20 nmpg at 160 kts.
I've flown formation with them for hundreds of miles and the fuel
consumption is 2/3 of what it is in my Bonanza OR a Tiger.
Cliff
----- Original Message -----
From: "Gil Alexander" <gilalex@earthlink.net>
Sent: Friday, April 21, 2006 11:35 PM
Subject: Re: TeamGrumman-List: AVGAS Prices
> --> TeamGrumman-List message posted by: Gil Alexander
> <gilalex@earthlink.net>
>
> I took an MS Excel performance chart for the Tiger (off the other list)
> and
> modified it to show power settings - density altitude and miles per
> gallon.
>
> If anyone is interested in a copy, it is here....
>
> http://home.earthlink.net/~gilalex/Tiger/
>
> called "performance chart.xls"
>
> Except for high power settings at low altitudes - not applicable to me
> since I live at 3000 ft in a warmer than average climate, the MPG does not
> really alter that much...
>
> At 11,000 ft, 2500 rpm, 123 kts gets 16.0 mpg
>
> At 6,000 ft, 2450 rpm, 123.5 kts and 15.35 mpg (interpolating)
>
> 4% worst mpg, same speed, but you would use more gas climbing the extra
> 5,000 ft.
>
> gil in Tucson 90F tomorrow... summers on the way.....
>
> At 01:43 PM 4/21/2006, you wrote:
>>--> TeamGrumman-List message posted by: Matthew Drahzal <mattd@drahz.com>
>>
>>I think we are all going to be more European in our approach to flying -
>>long distance will be a 2 hour flight with an overnight stay (of course,
>>on the Continent, you can cover many countries in two hours!)
>>
>>I have gotten mighty "economy minded" when I fly - maybe its time create
>>some economy charts and find the best-efficiency altitude and
>>horsepower...(Flying through France - I do remember a $250.00 fuel bill
>>to top off a Tiger...)
>>
>>
>>/drahz
>
>
>
Message 4
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| Subject: | Re: AVGAS Prices |
--> TeamGrumman-List message posted by: "flyv35b" <flyv35b@ashcreekwireless.com>
> To put it in common automotive terms, I mixed units and used statute miles
> and not nautical miles.
No wonder your #'s came out optimistic - you mixed the units and the mpg is
statute!
Cliff
----- Original Message -----
From: "Gil Alexander" <gilalex@earthlink.net>
Sent: Saturday, April 22, 2006 7:08 AM
Subject: Re: TeamGrumman-List: AVGAS Prices
> --> TeamGrumman-List message posted by: Gil Alexander
> <gilalex@earthlink.net>
>
> Barry... just trying to determine the least fuel used for distance
> travelled.... and hence get the lowest fuel cost component of that $150
> hambuger.
>
> Gallons per hour (which was on the original chart) does not take speed
> into
> account, so I hid that column (GPH) on the spread sheet and made a new MPG
> column...
>
> To put it in common automotive terms, I mixed units and used statute miles
> and not nautical miles.
>
> The Tiger is in the MPG range of a large SUV, but travels 2 to 3 times
> faster and takes a straight line....
>
> gil in Tucson
>
>
> At 04:35 AM 4/22/2006, you wrote:
>>--> TeamGrumman-List message posted by: FLYaDIVE@aol.com
>>
>>In a message dated 4/22/06 2:39:06 AM Eastern Daylight Time,
>>gilalex@earthlink.net writes:
>>
>> > At 11,000 ft, 2500 rpm, 123 kts gets 16.0 mpg
>> >
>> > At 6,000 ft, 2450 rpm, 123.5 kts and 15.35 mpg (interpolating)
>> >
>> > 4% worst mpg, same speed, but you would use more gas climbing the
>> > extra
>> > 5,000 ft.
>> >
>> > gil in Tucson
>>===========================
>>Gil:
>>
>>Why are you using MPG, instead of GPH?
>>
>>I know, you are just trying to confuse me ... Hey! It does not take much.
>>
>>
>>
>>Barry
>>"Chop'd Liver"
>>
>>
>>
>>
>>
>>
>>
>>
>>
>
>
>
Message 5
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| Subject: | Re: AVGAS Prices |
--> TeamGrumman-List message posted by: Gil Alexander <gilalex@earthlink.net>
Yeah... I don't usually mix units, but I thought automotive terms would be
good in this case.
Sorry for the confusion......
gil A
At 07:42 AM 4/22/2006, you wrote:
>--> TeamGrumman-List message posted by: "flyv35b"
><flyv35b@ashcreekwireless.com>
>
> > To put it in common automotive terms, I mixed units and used statute miles
> > and not nautical miles.
> No wonder your #'s came out optimistic - you mixed the units and the mpg is
>statute!
>
>Cliff
>----- Original Message -----
>From: "Gil Alexander" <gilalex@earthlink.net>
>To: <teamgrumman-list@matronics.com>
>Sent: Saturday, April 22, 2006 7:08 AM
>Subject: Re: TeamGrumman-List: AVGAS Prices
>
>
> > --> TeamGrumman-List message posted by: Gil Alexander
> > <gilalex@earthlink.net>
> >
> > Barry... just trying to determine the least fuel used for distance
> > travelled.... and hence get the lowest fuel cost component of that $150
> > hambuger.
> >
> > Gallons per hour (which was on the original chart) does not take speed
> > into
> > account, so I hid that column (GPH) on the spread sheet and made a new MPG
> > column...
> >
> > To put it in common automotive terms, I mixed units and used statute miles
> > and not nautical miles.
> >
> > The Tiger is in the MPG range of a large SUV, but travels 2 to 3 times
> > faster and takes a straight line....
> >
> > gil in Tucson
> >
> >
> > At 04:35 AM 4/22/2006, you wrote:
> >>--> TeamGrumman-List message posted by: FLYaDIVE@aol.com
> >>
> >>In a message dated 4/22/06 2:39:06 AM Eastern Daylight Time,
> >>gilalex@earthlink.net writes:
> >>
> >> > At 11,000 ft, 2500 rpm, 123 kts gets 16.0 mpg
> >> >
> >> > At 6,000 ft, 2450 rpm, 123.5 kts and 15.35 mpg (interpolating)
> >> >
> >> > 4% worst mpg, same speed, but you would use more gas climbing the
> >> > extra
> >> > 5,000 ft.
> >> >
> >> > gil in Tucson
> >>===========================
> >>Gil:
> >>
> >>Why are you using MPG, instead of GPH?
> >>
> >>I know, you are just trying to confuse me ... Hey! It does not take much.
> >>
> >>
> >>
> >>Barry
> >>"Chop'd Liver"
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
>
>
Message 6
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| Subject: | Re: TeamGrumman-List Digest: 7 Msgs - 04/21/06 |
--> TeamGrumman-List message posted by: GOLDPILOT@aol.com
In a message dated 4/22/2006 12:00:22 AM Pacific Daylight Time,
teamgrumman-list-digest@matronics.com writes:
I posted this to the OTHER board: Bounced it as NOT Grumman Specific. I
thought all Grummans use gas of some sort...
Maybe they don't? The "other" list is pretty weird!
David
Message 7
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| Subject: | Re: TeamGrumman-List Digest: 7 Msgs - 04/21/06 |
--> TeamGrumman-List message posted by: Walt Beaulieu <aviation@acs-group.net>
What an ass.
GOLDPILOT@aol.com wrote:
>--> TeamGrumman-List message posted by: GOLDPILOT@aol.com
>
>
>In a message dated 4/22/2006 12:00:22 AM Pacific Daylight Time,
>teamgrumman-list-digest@matronics.com writes:
>
>I posted this to the OTHER board: Bounced it as NOT Grumman Specific. I
>thought all Grummans use gas of some sort...
>
>
>Maybe they don't? The "other" list is pretty weird!
>David
>
>
>
>
>
>
>
>
>
Message 8
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| Subject: | Re: AVGAS Prices |
--> TeamGrumman-List message posted by: TeamGrumman@aol.com
In a message dated 4/22/06 7:10:52 AM, gilalex@earthlink.net writes:
> The Tiger is in the MPG range of a large SUV, but travels 2 to 3 times
> faster and takes a straight line....
>
I went to Lancaster and back (400 miles each way) last week and burned 3.7
gallons per hour and averaged 72 mph (11 hours round trip) in my Tahoe. Fuel
cost was $120.
In my Tiger, the 576 nautical mile round trip takes 4.4 hours, burns about 11
gph (at that speed), and costs about $200.
It takes about 2.5 times the length of time to drive as it does to fly.
I've made this trip many times. It's cheaper to drive.
Gary
By-the-Way, if I hammer down, I can cut about 15 minutes on the time to
Lancaster. Gas mileage drops from about 20 to 21 miles per gallon to about 18
to
19 miles per gallon. If I slow down to the speed limit, I can average 60 mph
and I get 23 to 24 mpg. That adds about an hour to the trip.
Message 9
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| Subject: | Re: AVGAS Prices |
--> TeamGrumman-List message posted by: TeamGrumman@aol.com
In a message dated 4/22/06 7:39:19 AM, flyv35b@ashcreekwireless.com writes:
> I would imagine that Gary is doing noticeably better with those HC pistons
> and
> reduced drag.=A0
>
in miles per gallon, I'm getting about
288 nm * 1.15 miles per nm =3D 331 miles in 2.2 hours =3D 150 mph average. =20
2.2*11
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