Today's Message Index:
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1. 12:27 AM - Re: AA5B vs. AG5B (FLYaDIVE)
2. 02:23 AM - Re: AA5B vs. AG5B (Mike Babin)
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| Subject: | Re: AA5B vs. AG5B |
When you say book values, are you refering to AA
On Sunday, October 4, 2015, cannuck <pmdolan@sasktel.net> wrote:
> <javascript:;>>
>
> At the risk of opening a can of worms, can anyone give me the real reasons
> why AG5B aircraft are slower than AA5B? With my '77 Tiger, I could easily
> beat book values, but many tell me the new airplanes just won't do that.
>
> I am hopefully going to start shopping for another bird soon, and really
> wanted the extra panel space and 24VDC electrics of the newer airframe, but
> NOT if it is at the expense of reason #1 to own a Tiger.
>
> Also, if slower as claimed, how much? Also, what remedies?
>
> --------
> AA1 and AA5B former (future?) owner
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=447679#447679
>
>
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| Subject: | Re: AA5B vs. AG5B |
My data points:
I have a 2004 AG5B, Powerflow exhaust, Ly-Con port&polish, flow-matched,
63=9D prop, and I get 128 KTAS at full throttle and about 2650 RPM
at 7500' pressure altitude. Consistently.
My previous 1976 AA5A, converted to a Tiger with a factory new engine
and bigger spar, with the Powerflow exhaust, no P&P, same prop, same
altitude, and same loading/cg, could exceed redline at WOT, and would
yield 135 KTAS. Consistently.
The most common theory I=99ve heard to explain the lower speeds in
the Tiger LLC aircraft is the design of the induction system,
specifically that the air intake is in a relatively low pressure area of
the cowl. I=99m not an engineer, so I can=99t verify that,
but the inflight performance data is accurate.
-Mike
> On Oct 4, 2015, at 20:13 43, Ken Kirk <ken@wejoysing.com> wrote:
>
> AG5B Owner
>
> Trying to figure out how fast a Tiger cruises is impossible. You
have to understand that folks tell less than the truth about their
cruise speed figures. Some folks boast really high cruise speeds but
then later you find out that they are flying above red line RPM or have
significantly modified the airplane. Prop pitch also makes a
difference, do you want a climb or a cruise. Do you have the port and
flowed engine, do you have the fancy muffler system... the list goes
on and on.
>
> I have given up on the subject.
>
> My AG5B will cruise at 135 knots. I have the muffler, the port and
flowed but a climb prop. I suppose I could get a couple more or 3
knots by going to a cruise prop.
>
> On Sun, Oct 4, 2015 at 8:55 PM, cannuck <pmdolan@sasktel.net
<mailto:pmdolan@sasktel.net>> wrote:
<mailto:pmdolan@sasktel.net>>
>
> At the risk of opening a can of worms, can anyone give me the real
reasons why AG5B aircraft are slower than AA5B? With my '77 Tiger, I
could easily beat book values, but many tell me the new airplanes just
won't do that.
>
> I am hopefully going to start shopping for another bird soon, and
really wanted the extra panel space and 24VDC electrics of the newer
airframe, but NOT if it is at the expense of reason #1 to own a Tiger.
>
> Also, if slower as claimed, how much? Also, what remedies?
>
> --------
> AA1 and AA5B former (future?) owner
>
>
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=447679#447679
<http://forums.matronics.com/viewtopic.php?p=447679#447679>
>
>
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