Today's Message Index:
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1. 04:07 AM - Re: engine choices (Thom Riddle)
2. 04:09 AM - Re: ANOTHER broken exhaust tube (Thom Riddle)
3. 04:12 AM - Re: engine choices (Airgriff2@aol.com)
Message 1
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| Subject: | Re: engine choices |
--> Allegro-List message posted by: Thom Riddle <jtriddle@adelphia.net>
Lou,
When we bought our Allegro, I specifically wanted the 80 hp Rotax 912
engine, for the following reasons:
- Low compression engine requires only 87 octane autogas - ~20-30 cents
/ gallon cheaper than 91+ octane
- 4 gallons per hour consumption at 75% power vs. 5 gph for the 100 hp
version
- Still cruises as fast as a Cessna 152
- About 6 1/2 lb. lighter installed weight
- Solo at standard conditions it gets 1100 fpm climb rate with the prop
pitched for best cruise.
- Climbs better than a Cessna 152 at full gross with prop pitched for
best cruise.
- Can operate from 1,000' grass field in this part of the country.
- ~$2,000 remains in your pocket - enough to pay for transponder and
other goodies.
At the current price of $3.12/ gallon of 87 octane vs. $2.87/gallon
for 93 octane and 5 gph vs 4 gph, the fuel cost per hour at 75% cruise
power is 35% higher (over $4/hour) for about 8-9 mph extra speed. Not
worth it in my book, especially since we spend most of our flying hours
at 55-65% power, sight seeing.
Thom in Buffalo
Message 2
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| Subject: | Re: ANOTHER broken exhaust tube |
--> Allegro-List message posted by: Thom Riddle <jtriddle@adelphia.net>
Ooops!!
It appears I said "... is not standard" when I meant to type ".... is
NOW standard". Sorry for the typo.
Thom in Buffalo
Message 3
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| Subject: | Re: engine choices |
--> Allegro-List message posted by: Airgriff2@aol.com
Hi Lou, I have flown 5 Allegros in NC and our demo plane. Some 80 and others
100 hp. The 80 hp performs very well. I would consider the 100 hp if towing or
putting floats on it.
Bob Griffin
upstate NY
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