Today's Message Index:
----------------------
1. 04:21 AM - Re: Re: Zenith-List Digest: 1 Msgs - 03/11/12 (Jay Bannister)
2. 07:54 AM - Re: Control Balance (Sabrina)
3. 08:51 AM - Baffle kit - 0235 (Steve Freeman)
4. 12:00 PM - Re: Baffle kit - 0235 (Brad Rawls)
5. 12:01 PM - First Composite Pedal Kitplane (Creative Eagles Corp)
6. 12:37 PM - Re: First Composite Pedal Kitplane (Steve Freeman)
7. 12:59 PM - Re: First Composite Pedal Kitplane (Carlos Sa)
8. 03:55 PM - Re: Baffle kit - 0235 (FLYaDIVE)
Message 1
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| Subject: | Re: Zenith-List Digest: 1 Msgs - 03/11/12 |
Chris,
The aileron bellcrank is the pivoting triangular piece out in the wing.
Jay
>
I have duel sticks but having a hard time picturing in my head the new desi
gn
and it's ramifications to the aileron bel crank. Isn't it on the back? Or i
s it
the flat bit at the bottom front.
Chris
Message 2
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| Subject: | Re: Control Balance |
For those of us with dual sticks, the approach taken to compensate for a sensitive
elevator by making the aileron just as sensitive does not make sense if it
is possible that the cause of any XL accident was unintended stick input, be
it a ham fisted pilot, a passenger bump or baggage hitting the stick.
Another method to achieve control balance that is available to dual stick flyers
would be to request a 'CH recommended' reduction in the R130 radius between
the pivot point and the HT Rod mounting hole. With the new limits on elevator
travel CH put out, there is clearance to spare between the HT rod and the center
spar. Also, I have never seen an airplane with cables/lines run under the
HT rod and above that portion of the center spar. No new parts, just a new mounting
hole and a fine tuning the HT rod ends.
Has anyone ever noticed that the Y stick has 120mm radius (6-B-17) for the elevator
cables and the dual stick has a 100mm radius (6-DS-3)?
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=368347#368347
Message 3
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| Subject: | Baffle kit - 0235 |
Hi guys,
I am working on installing my engine and installing a Zenair supplied baffle
kit on the Lycoming 0235 engine I purchased from them. Zenair is suggesting
<< People typically cover the oil cooler with aluminum tape so that the air
cannot go through it.>>
Can anyone explain to me why you would want do this? It seems to me that
would defeat the purpose of the oil cooler or at least limit its effective
ability to perform as designed. This was suggested "instead of" installing
a front baffle which they claim is only for extremely cold weather flying.
I am trying to learn as much as I can and I understand that sometimes what
seems obvious is the exact opposite of what reality might be. To that end,
I always thought "baffling" was installed to improve air circulation around
the heat dispersal fins on the cylinder heads to help cool the engine. If
that is the case why would a baffle need to be added only in "cold" weather
rather than hot? That seems counter intuitive to me. Also, why would you
want to decrease the performance of the oil cooler.
Finally, can anyone suggest a good oil cooler and location for mounting on
in an 0235 installation?
Thanks as always for any advice.
Steve
Message 4
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| Subject: | Baffle kit - 0235 |
Oil can be 'too cold' as well as "too hot". Cutting the airflow to the
cooler by using the baffle or tape keeps the heat in the oil. A lot of
aircraft have an adjustable louver to control the airflow to the cooler. To
low an oil temp can cost you horsepower and not lube and cool the engine
correctly. I've had to wait for the oil temp to come up before takeoff on
cold days.
Thanks - Brad
From: owner-zenith-list-server@matronics.com
[mailto:owner-zenith-list-server@matronics.com] On Behalf Of Steve Freeman
Sent: Tuesday, March 13, 2012 8:49 AM
Subject: Zenith-List: Baffle kit - 0235
Hi guys,
I am working on installing my engine and installing a Zenair supplied baffle
kit on the Lycoming 0235 engine I purchased from them. Zenair is suggesting
<< People typically cover the oil cooler with aluminum tape so that the air
cannot go through it.>>
Can anyone explain to me why you would want do this? It seems to me that
would defeat the purpose of the oil cooler or at least limit its effective
ability to perform as designed. This was suggested "instead of" installing
a front baffle which they claim is only for extremely cold weather flying.
I am trying to learn as much as I can and I understand that sometimes what
seems obvious is the exact opposite of what reality might be. To that end,
I always thought "baffling" was installed to improve air circulation around
the heat dispersal fins on the cylinder heads to help cool the engine. If
that is the case why would a baffle need to be added only in "cold" weather
rather than hot? That seems counter intuitive to me. Also, why would you
want to decrease the performance of the oil cooler.
Finally, can anyone suggest a good oil cooler and location for mounting on
in an 0235 installation?
Thanks as always for any advice.
Steve
Message 5
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| Subject: | First Composite Pedal Kitplane |
Good day everyone!
I thought that I mention here that the First Composite Pedal Kitplane is now
available!
The first GOTCHA!
Gotcha3.jpg
Gotcha Composite Pedal Kitplane turns your kids tricycle into something
wonderful and exciting rides. The Gotcha composite pedal kitplane is a
bolt-in project into your kids existing tricycle. The kit consist of the
fuselage, the propeller, seat back, wings, horizontal stabilizer and
hardwares.
Build your Gotcha now and enjoy watching your young pilots as they fly
around the neighborhood. Their smile will touch your heart!
Their website www.creative-eagles.com or contact at info@creative-eagles.com
Gotcha Pedal Plane.JPG
Unleash your young eagles and let them enjoy the power of flight.
Enjoy!
Message 6
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| Subject: | First Composite Pedal Kitplane |
But will the canopy fit?
Steve
Do not archive
From: owner-zenith-list-server@matronics.com
[mailto:owner-zenith-list-server@matronics.com] On Behalf Of Creative Eagles
Corp
Sent: Tuesday, March 13, 2012 12:00 PM
Subject: Zenith-List: First Composite Pedal Kitplane
Good day everyone!
I thought that I mention here that the First Composite Pedal Kitplane is now
available!
The first GOTCHA!
Gotcha3.jpg
Gotcha Composite Pedal Kitplane turns your kids tricycle into something
wonderful and exciting rides. The Gotcha composite pedal kitplane is a
bolt-in project into your kids existing tricycle. The kit consist of the
fuselage, the propeller, seat back, wings, horizontal stabilizer and
hardwares.
Build your Gotcha now and enjoy watching your young pilots as they fly
around the neighborhood. Their smile will touch your heart!
Their website www.creative-eagles.com or contact at info@creative-eagles.com
Gotcha Pedal Plane.JPG
Unleash your young eagles and let them enjoy the power of flight.
Enjoy!
Message 7
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| Subject: | Re: First Composite Pedal Kitplane |
zero emission !!!
On 13 March 2012 15:35, Steve Freeman <steve.freeman@syntaxds.com> wrote:
> But will the canopy fit?****
>
> ** **
>
> Steve ****
>
> ** **
>
> Do not archive****
>
> ** **
>
> *From:* owner-zenith-list-server@matronics.com [mailto:
> owner-zenith-list-server@matronics.com] *On Behalf Of *Creative Eagles
> Corp
> *Sent:* Tuesday, March 13, 2012 12:00 PM
> *To:* zenith-list@matronics.com
> *Subject:* Zenith-List: First Composite Pedal Kitplane ****
>
> ** **
>
> * *
>
> Good day everyone!****
>
> ** **
>
> I thought that I mention here that the First Composite Pedal Kitplane is
> now available! ****
>
> ** **
>
> The first GOTCHA!****
>
> ** **
>
> ** **
>
> [image: Gotcha3.jpg]****
>
> ** **
>
> ** **
>
> ** **
>
> Gotcha Composite Pedal Kitplane turns your kids tricycle into something
> wonderful and exciting rides. The Gotcha composite pedal kitplane is a
> bolt-in project into your kids existing tricycle. The kit consist of the
> fuselage, the propeller, seat back, wings, horizontal stabilizer and
> hardwares. ****
>
> ** **
>
> Build your Gotcha now and enjoy watching your young pilots as they fly
> around the neighborhood. Their smile will touch your heart! ****
>
> ** **
>
> Their website www.creative-eagles.com or contact at
> info@creative-eagles.com****
>
> ** **
>
> ** **
>
> ** **
>
> [image: Gotcha Pedal Plane.JPG]****
>
> ** **
>
> Unleash your young eagles and let them enjoy the power of flight. ****
>
> ** **
>
> Enjoy!****
>
> ** **
>
> ** **
>
Message 8
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| Subject: | Re: Baffle kit - 0235 |
Steve:
They are assuming that you are NOT using an oil cooler OR that you have it
remotely mounted. And if you do mount it (oil cooler) remotely don't use
tape to seal the hole. Make a good looking sheet of aluminum.
Many GA planes mount the oil cooler right on the baffle behind the #3
cylinder. Good location but not the best.
Do you have room right up front on the inlet of the cowling? Put it there
and make a small scoop to direct air DOWN and through the cooler. Take a
look at planes such as an RV6, Piper 140/160/180.
To answer your other question about air circulation: The engine and YOU
want the entire TOP of the engine SEALED OFF from any air flow that does
NOT PUSH the air DOWN from the TOP of the engine to the bottom. Putting
the oil cooler on the baffle does decrease the air flow through the engine.
As I said... A GOOD location but not GREAT!
These are AIR COOLED engines and to achieve that you NEED a
pressure deferential between the TOP of the engine and the BOTTOM. Th
bigger the pressure deferential the better the cooling.
If this is your first engine install take a look at some GA planes, 'well
kept' planes and LQQK at the effort that went into them to seal up air
leaks.
I would also suggest building a PLENUM... Slightly more work but you CAN'T
beat the cooling.
Barry
On Tue, Mar 13, 2012 at 11:49 AM, Steve Freeman
<steve.freeman@syntaxds.com>wrote:
> Hi guys,****
>
> ** **
>
> I am working on installing my engine and installing a Zenair supplied
> baffle kit on the Lycoming 0235 engine I purchased from them. Zenair is
> suggesting << People typically cover the oil cooler with aluminum tape so
> that the air cannot go through it.>>****
>
> Can anyone explain to me why you would want do this? It seems to me that
> would defeat the purpose of the oil cooler or at least limit its effectiv
e
> ability to perform as designed. This was suggested =93instead of=94 inst
alling
> a front baffle which they claim is only for extremely cold weather flying
.
> ****
>
> I am trying to learn as much as I can and I understand that sometimes wha
t
> seems obvious is the exact opposite of what reality might be. To that en
d,
> I always thought =93baffling=94 was installed to improve air circulation
around
> the heat dispersal fins on the cylinder heads to help cool the engine. I
f
> that is the case why would a baffle need to be added only in =93cold=94 w
eather
> rather than hot? That seems counter intuitive to me. Also, why would yo
u
> want to decrease the performance of the oil cooler. ****
>
> Finally, can anyone suggest a good oil cooler and location for mounting o
n
> in an 0235 installation?****
>
> Thanks as always for any advice.****
>
> Steve****
>
> ** **
>
> ****
>
> ****
>
> *
>
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> *
>
>
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