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williamtsullivan(at)att.n
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 Posted: Fri Mar 21, 2008 6:26 pm Post subject: stalls |
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Dana- I recieved my training on an Alon A2 Ercoupe about 40 years ago, and we could definately stall them. I could not get spin training, because Ercoupes did not have enough rudder. If I remember, the stalls were typical- quiet, light in the seat, a shudder, and a wing would start to drop. Recovery was also standard- power, and push the nose down. I think they weighed about 1300 pounds- 4 times what our Firestar l weighs. The Ercoupe took off at 55, and landed at 88. I don't remember the stall speed.
Bill Sullivan
FS l
Windsor Locks, Ct.
[quote][b]
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Dana
Joined: 13 Dec 2007
Posts: 1047
Location: Connecticut, USA
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| Posted: Sat Mar 22, 2008 4:19 am Post subject: stalls |
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At 10:23 PM 3/21/2008, william sullivan wrote:
| Quote: | Dana- I recieved my training on an Alon A2 Ercoupe about 40 years ago, and
we could definately stall them. I could not get spin training, because
Ercoupes did not have enough rudder. If I remember, the stalls were typical...
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Well, I may well been mistaken. I know they can't be spun, of course, but
I thought the elevator travel was limited to prevent a stall except in the
most extreme conditions. Pull the wheel full back and it just sorta mushes
down, though it goes down pretty fast. Maybe that was only the early ones,
which also had no rudder pedals.
-Dana
do not archive
--
Dyslexics Untie!
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slyck(at)frontiernet.net
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| Posted: Sat Mar 22, 2008 5:12 am Post subject: stalls |
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I have ridden in two different ercoupes. The early models were sans
rudder pedals and you steered
on the ground with the steering wheel like a car. The elevator was
rigged to prevent true stalls and
it was supposedly spin proof. Some neanderthal types retro-fitted
rudder pedals.
The last versions manf by Alon had a more attractive bubble canopy
and O-200 continental.
The wing was stubby and high lift so the impression on take off was
like a mini airliner:
You would roar down the runway seemingly glued to the ground and then
suddenly be climbing
at a fairly steep angle.
I admired the wing design, very light aluminum with diagonal ribs
needing no drag members.
Much lighter than a MkIII wing and no lift strut.
BB
do not archive
On 22, Mar 2008, at 8:14 AM, Dana Hague wrote:
| Quote: |
At 10:23 PM 3/21/2008, william sullivan wrote:
> Dana- I recieved my training on an Alon A2 Ercoupe about 40 years
> ago, and we could definately stall them. I could not get spin
> training, because Ercoupes did not have enough rudder. If I
> remember, the stalls were typical...
Well, I may well been mistaken. I know they can't be spun, of
course, but I thought the elevator travel was limited to prevent a
stall except in the most extreme conditions. Pull the wheel full
back and it just sorta mushes down, though it goes down pretty
fast. Maybe that was only the early ones, which also had no rudder
pedals.
-Dana
do not archive
--
Dyslexics Untie!
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ez(at)embarqmail.com
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| Posted: Sat Mar 22, 2008 5:43 am Post subject: stalls |
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On Mar 22, 2008, at 9:09 AM, robert bean wrote:
| Quote: | I admired the wing design, very light aluminum with diagonal ribs
needing no drag members.
Much lighter than a MkIII wing and no lift strut.
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Really? How much weight would I save using ercoupe wings rather than
my Kolb wings on my Firestar?
Perhaps my Firestar could make part 103....... AND also totally
eliminate the infamous kolb kwit without those controversial pointy
things all over my kolb wings.
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slyck(at)frontiernet.net
Guest
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| Posted: Sat Mar 22, 2008 6:31 am Post subject: stalls |
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alas there is a hitch to that idea. To use it as a cantilever
attachment a box structure would have to be
created in the center section to take the stress, thereby canceling
out any weight savings.
If an attach point was created on the spar without compromising it,
you could use a lift strut.
The early wings were fabric covered but the same neanderthals
sometimes metallized them.
The conversion would be more applicable to a MkIII than a FS.
google "breezy" for an experimental craft that used lots of different
wings, had a welded tube fuselage, and pusher
engine. -somewhat before the Kolb.
BB do not archive
On 22, Mar 2008, at 9:40 AM, Eugene Zimmerman wrote:
| Quote: |
On Mar 22, 2008, at 9:09 AM, robert bean wrote:
> I admired the wing design, very light aluminum with diagonal ribs
> needing no drag members.
> Much lighter than a MkIII wing and no lift strut.
Really? How much weight would I save using ercoupe wings rather
than my Kolb wings on my Firestar?
Perhaps my Firestar could make part 103....... AND also totally
eliminate the infamous kolb kwit without those controversial
pointy things all over my kolb wings.
|
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