Today's Message Index:
----------------------
1. 08:51 AM - radio noise (Gary K)
2. 12:06 PM - Re: weight, resale (Hinde, Frank George (Corvallis))
3. 03:11 PM - Re: weight, resale (Bryan Martin)
4. 03:16 PM - Re: weight, resale (Hinde, Frank George (Corvallis))
5. 03:33 PM - Re: radio noise (rueffy@jetthrust.com)
6. 03:42 PM - Re: weight, resale (rueffy@jetthrust.com)
Message 1
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--> Stratus-List message posted by: "Gary K" <garyk2@cox.net>
has anyone had to do anything to the wires/plugs to reduce radio noise?
i've never had great reception/transmission, but i'm guessing it's mostly
wiring and homemade antenna.
gary
Message 2
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--> Stratus-List message posted by: "Hinde, Frank George (Corvallis)" <frank.hinde@hp.com>
Not quite Bryan...You can fly with no generator because you have the
battery...A failed mount means potentially a thrown belt which means no
water pump....Now that IS an emergency.
You could possbly wrap the pulley up with the belt...i prefer not to
think about that..:)
Frank
Do not archive
-----Original Message-----
From: owner-stratus-list-server@matronics.com
[mailto:owner-stratus-list-server@matronics.com] On Behalf Of Bryan
Martin
Sent: Tuesday, January 10, 2006 1:57 PM
Subject: Re: Stratus-List: weight, resale
--> Stratus-List message posted by: Bryan Martin
--> <bryanmmartin@comcast.net>
If the alternator mounting fails, the worst case scenario is that the
alternator falls off causing a total electrical failure requiring an
emergency landing. In this airplane, you have a very good chance of
making a successful emergency landing and walking away unharmed.
If the engine mount fails, the worst case scenario it that the increased
stresses on the other mounts cause them to also fail and the engine
falls off. If the engine falls off, there is no hope of maintaining
control of the aircraft. If you don't have a parachute, you will
probably die in the resulting crash. Granted, this is a low probability
event but the consequences are so severe I would give the cracked engine
mount a higher priority.
--
Bryan Martin
N61BM, CH 601 XL, Stratus Subaru.
do not archive.
on 1/9/06 8:57 PM, rueffy@jetthrust.com at rueffy@jetthrust.com wrote:
> --> Stratus-List message posted by: rueffy@jetthrust.com
>
> Maybe your right about engine mount being critical. but then again so
is the
> alternator I would think? Id have to think what that alternator would
do if
the
> mounting broke completely!! I only had 200hrs at the time.
>
> Brett
>
> Quoting Bryan Martin <bryanmmartin@comcast.net>:
>
>> --> Stratus-List message posted by: Bryan Martin
<bryanmmartin@comcast.net>
>>
>> Maybe it was because I only had 120 hours on the plane at the time of
>> failure or maybe because the engine mount is a more critical item. I
don't
>> know.
>>
>>
>> --
>> Bryan Martin
>> N61BM, CH 601 XL, Stratus Subaru.
>> do not archive.
>>
>>
Message 3
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| Subject: | Re: weight, resale |
--> Stratus-List message posted by: Bryan Martin <bryanmmartin@comcast.net>
True, but if the alternator falls off and the alternator cable shorts out
and you have no way to cut the alternator out of the system and you don't
have a backup ignition system with an independent power source, you will
suddenly find yourself flying a glider.
But, you're right, a loss of coolant flow is much more likely in this case.
But a loss of coolant will not immediately cause a complete loss of engine
power. If you recognize the problem, you can pull back the power to reduce
heat buildup and glide to the nearest suitable landing site and probably
still have power available for the landing. With no engine power at all,
your options are much more limited, but even a controlled crash into the
tree tops is likely to be survivable in the Zodiac. Having the engine fall
off is not likely to result in a survivable situation. It tends to play
havoc with the center of gravity.
on 1/11/06 3:06 PM, Hinde, Frank George (Corvallis) at frank.hinde@hp.com
wrote:
> --> Stratus-List message posted by: "Hinde, Frank George (Corvallis)"
> <frank.hinde@hp.com>
>
> Not quite Bryan...You can fly with no generator because you have the
> battery...A failed mount means potentially a thrown belt which means no
> water pump....Now that IS an emergency.
>
> You could possbly wrap the pulley up with the belt...i prefer not to
> think about that..:)
>
> Frank
>
> Do not archive
>
> -----Original Message-----
> From: owner-stratus-list-server@matronics.com
> [mailto:owner-stratus-list-server@matronics.com] On Behalf Of Bryan
> Martin
> Sent: Tuesday, January 10, 2006 1:57 PM
> To: Stratus List
> Subject: Re: Stratus-List: weight, resale
>
> --> Stratus-List message posted by: Bryan Martin
> --> <bryanmmartin@comcast.net>
>
> If the alternator mounting fails, the worst case scenario is that the
> alternator falls off causing a total electrical failure requiring an
> emergency landing. In this airplane, you have a very good chance of
> making a successful emergency landing and walking away unharmed.
>
> If the engine mount fails, the worst case scenario it that the increased
> stresses on the other mounts cause them to also fail and the engine
> falls off. If the engine falls off, there is no hope of maintaining
> control of the aircraft. If you don't have a parachute, you will
> probably die in the resulting crash. Granted, this is a low probability
> event but the consequences are so severe I would give the cracked engine
> mount a higher priority.
Message 4
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--> Stratus-List message posted by: "Hinde, Frank George (Corvallis)" <frank.hinde@hp.com>
Ahh yes but of course we do have two ignition systems that have two
batteries that have a diode in between to completely isolate them don't
we?..
See Frank's archived rantings on the subject.
In that case the alternator can short to ground and burst into flames
and the motor won't stop...In theory.
Frank
-----Original Message-----
From: owner-stratus-list-server@matronics.com
[mailto:owner-stratus-list-server@matronics.com] On Behalf Of Bryan
Martin
Sent: Wednesday, January 11, 2006 3:12 PM
Subject: Re: Stratus-List: weight, resale
--> Stratus-List message posted by: Bryan Martin
--> <bryanmmartin@comcast.net>
True, but if the alternator falls off and the alternator cable shorts
out and you have no way to cut the alternator out of the system and you
don't have a backup ignition system with an independent power source,
you will suddenly find yourself flying a glider.
But, you're right, a loss of coolant flow is much more likely in this
case.
But a loss of coolant will not immediately cause a complete loss of
engine power. If you recognize the problem, you can pull back the power
to reduce heat buildup and glide to the nearest suitable landing site
and probably still have power available for the landing. With no engine
power at all, your options are much more limited, but even a controlled
crash into the tree tops is likely to be survivable in the Zodiac.
Having the engine fall off is not likely to result in a survivable
situation. It tends to play havoc with the center of gravity.
on 1/11/06 3:06 PM, Hinde, Frank George (Corvallis) at
frank.hinde@hp.com
wrote:
> --> Stratus-List message posted by: "Hinde, Frank George (Corvallis)"
> <frank.hinde@hp.com>
>
> Not quite Bryan...You can fly with no generator because you have the
> battery...A failed mount means potentially a thrown belt which means
> no water pump....Now that IS an emergency.
>
> You could possbly wrap the pulley up with the belt...i prefer not to
> think about that..:)
>
> Frank
>
> Do not archive
>
> -----Original Message-----
> From: owner-stratus-list-server@matronics.com
> [mailto:owner-stratus-list-server@matronics.com] On Behalf Of Bryan
> Martin
> Sent: Tuesday, January 10, 2006 1:57 PM
> To: Stratus List
> Subject: Re: Stratus-List: weight, resale
>
> --> Stratus-List message posted by: Bryan Martin
> --> <bryanmmartin@comcast.net>
>
> If the alternator mounting fails, the worst case scenario is that the
> alternator falls off causing a total electrical failure requiring an
> emergency landing. In this airplane, you have a very good chance of
> making a successful emergency landing and walking away unharmed.
>
> If the engine mount fails, the worst case scenario it that the
> increased stresses on the other mounts cause them to also fail and the
> engine falls off. If the engine falls off, there is no hope of
> maintaining control of the aircraft. If you don't have a parachute,
> you will probably die in the resulting crash. Granted, this is a low
> probability event but the consequences are so severe I would give the
> cracked engine mount a higher priority.
Message 5
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--> Stratus-List message posted by: rueffy@jetthrust.com
My Radio has been ok Gary. However, I have some sort of interferance between
the tach and the radio. Whenever I push the button to transmit (icom handheld
wired through intercom) the tach dies, then when I let go of the transmit it
bounces back to life. First time it happened my heart skipped a beat!
Brett
Quoting Gary K <garyk2@cox.net>:
> --> Stratus-List message posted by: "Gary K" <garyk2@cox.net>
>
> has anyone had to do anything to the wires/plugs to reduce radio noise?
> i've never had great reception/transmission, but i'm guessing it's mostly
> wiring and homemade antenna.
>
> gary
>
>
Message 6
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| Subject: | Re: weight, resale |
--> Stratus-List message posted by: rueffy@jetthrust.com
I can vouch for what the factory says about floats being hard on plane. I have
landed a few times on a small swell I didn't see. I swear something was going
to break off either the plane or me - the forces would far outweight anything
you could do to the plane in the air and would be much more violent than any
turbulence you would ever get.
I found an interesting site about engine weights. It listed the EA81 at 205Lbs
(stratus says 200Lbs). Obviously with Rad, fluid, accesories it would be much
more than that. Same site listed the C80 at 207Lbs although it has
comparitively little to add. Im assuming thats stock and a lightweight starter
and alternator would drop that weight. Interestingly I found the C90 was
exactly the same weight at 207Lbs for an extra 10hp. I also found the Lyc
O-200A was only 165Lbs!!! for 100hp. All food for thought regarding my
interest in swaping the soob for something else.
Cheerio
Brett
P.S. Set of Murphy 1500 straight floats for sale $5900US with rigging.
Quoting Gary K <garyk2@cox.net>:
> --> Stratus-List message posted by: "Gary K" <garyk2@cox.net>
>
> i do the cowl off routine too. doesn't take too much time and i feel better
> even though it's been starting and running perfectly for 120 hrs. i'm
> planning on making an easy fold-up (car hood) cowling with piano hinge.
>
> i am disappointed in myself for missing two things recently. i tug on all
> my cables (gently) every flight but missed a loose ground strap because i
> have two tie-wrapped together. the good one was holding the loose one in
> place (store bought from reputable electric place). when i went to start
> it, it turned a blade then the lights went out. popped the cowling looking
> at power stuff and when i looked closer, i pulled the braided strap right
> out of the terminal on the firewall ground block. i think my redundant
> battery and ignition would have kept it running but i need to check that or
> make redundant ground straps. anyway, after re-crimping i started it and my
> aux ig didn't work. found a blown fuse in my aux fuse panel. during my
> troubleshooting i noticed the aux ig bracket was cracked. this really
> disappointed me because that's a known problem that i check every flight. i
> grab the secondary ignition box near the flywheel and wiggle it. always
> tight, and still was but i saw a crack. so, my normal wiggle and look
> wasn't good enough, it took a real close look at that bracket to see it. it
> was broke clear through from one of those sharp inside corners, just like i
> was looking for, but the crack was so microscopic that i couldn't see it
> during normal preflight. so, making new bracket now but safety wired it and
> flew for an hour in the pattern to make sure everything was fine.
>
> i still love that engine. got a prop balancer and it's so smooth and has
> very nice power for my pelican. yes, disappointed in mykal with the heads -
> he offered to rework them at his cost after promising that they had clips
> (they didn't) for $350 but i sent to RAM for $500. lucky i checked and glad
> i sent them out. i would still buy another because they are a great little
> engine and good bang for the buck, with lowest operating and maint cost
> there is. although i would like a gear drive so i can get an adjustable
> prop. still waiting for autoflight's new engine to see how that works out.
> i need the time to save up anyway.
>
> as far as HP, when i asked my factory, he said it's not HP it's weight.
> thrust is maybe 450 lbs pulling out on the firewall but if plane is designed
> for let's say 4 g's, that's 250 lbs of engine weight times 4 which is 1000
> lbs of down force on the firewall. if it held up an floats, it should be
> good on wheels i would guess. factory always tells me how rough floats are
> on a plane.
>
> Gary Krysztopik
> Pelican PL N522GK
> Stratus subaru EA-81, 120 hrs
> Newport, RI
> http://www.prism.net/user/flyink/
>
>
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