Today's Message Index:
----------------------
1. 05:19 AM - Re: [Pulsar-Aviators] Damaged main gear (GREGSMI@aol.com)
2. 05:30 AM - Re: Damaged main gear (GREGSMI@aol.com)
3. 07:34 AM - Re: Damaged main gear (Bernard Wilder)
4. 08:37 AM - Re: Pulsar-List Digest: 4 Msgs - 04/12/13 (Bob Hartunian)
5. 09:22 AM - Re: Damaged main gear (Emil Sr)
6. 09:43 AM - Re: Damaged main gear (Scott - Special Effects Armourer)
7. 10:26 AM - Re: Re: [Pulsar-Aviators] Damaged main gear (Ray Wilhelm)
8. 10:34 AM - Re: Damaged main gear (GREGSMI@aol.com)
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| Subject: | Re: [Pulsar-Aviators] Damaged main gear |
I am aware of the Grove gear. We have a few Pulsars flying with it. I just
do not believe it is the best option for the Pulsar and prefer the glass
gear. I plan to talk about this at the Pulsar reunion this year, as well a
s
the nose gear.
Greg
In a message dated 4/12/2013 10:22:09 P.M. Central Daylight Time,
mnugents70@yahoo.com writes:
_Www.groveaircraft.com_ (http://www.groveaircraft.com/)
Sent from my iPad
On Apr 12, 2013, at 10:48 PM, Chris Horsten <_cphorsten@yahoo.ca_
(mailto:cphorsten@yahoo.ca) > wrote:
Greg, is there no aluminum option?
Sent from my iPlane.
On 2013-04-12, at 6:55 PM, _gregsmi@aol.com_ (mailto:gregsmi@aol.com)
wrote:
OK guys, seems no one has a glass gear for sale so I have decided to make
a good mold. Does anyone have a cracked gear I can use as a plug for the
mold? If not, does anyone have a gear I can borrow long enough to make the
mold?
Once I have the mold, I will be able to make gears for anyone that needs
one.
Thanks
Greg Smith
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| Subject: | Re: Damaged main gear |
This is exactly what I may have to do, although I am not thrilled with the
idea of cutting the bottom out of the plane to remove the gear. The upper
portion of the gear is in good shape and the attach points are solid with no
sign of delaminating on the gear tabs, which is a good testimony to the
strength of the design.
In a message dated 4/13/2013 1:39:55 A.M. Central Daylight Time,
kdpalmer@mweb.co.za writes:
Greg,
You mentioned your cracked gear could be repaired - couldn't you
epoxy and clamp it together, then clean it up for mould purposes ?
Keith
----- Original Message -----
From: _GREGSMI@aol.com_ (mailto:GREGSMI@aol.com)
Sent: Saturday, April 13, 2013 3:48 AM
Subject: Re: Pulsar-List: Damaged main gear
In the case I am working on, it appears the gear was damaged upon a high
speed touch down with the brakes on, causing vertical cracks radiating from
the axle plate. This may be repaired with 45 degree wraps of carbon fiber
but I want a way to replace glass gears in the future. I am a firm believer
in the glass gear for the Pulsar. I plan to talk about this at the Pulsar
reunion.
Greg
In a message dated 4/12/2013 6:35:43 P.M. Central Daylight Time,
lwheat2083@gmail.com writes:
Just out of curiosity what happened to the gear? Something maybe we should
look for on our inspections? What is the glass makeup you would use on the
new gear. Thanks in advance for any input. Cheers, Larry N852LW
On Fri, Apr 12, 2013 at 3:55 PM, <_GREGSMI@aol.com_
(mailto:GREGSMI@aol.com) > wrote:
OK guys, seems no one has a glass gear for sale so I have decided to make
a good mold. Does anyone have a cracked gear I can use as a plug for the
mold? If not, does anyone have a gear I can borrow long enough to make the
mold?
Once I have the mold, I will be able to make gears for anyone that needs
one.
Thanks
Greg Smith
arget="_blank">http://www.matronics.com/Navigator?Pulsar-List
tp://forums.matronics.com _blank">http://www.matronics.com/contribution
--
Larry Wheat
ef="http://www.matronics.com/Navigator?Pulsar-List">http://www.matronics.com/Navigator?Pulsar-List
s.matronics.com/">http://forums.matronics.com
p://www.matronics.com/contribution">http://www.matronics.com/contribution
href="http://www.matronics.com/Navigator?Pulsar-List">http://www.matronhref="http://forums.matronics.com">http://forums.matronics.com
href="http://www.matronics.com/contribution">http://www.matronics.com/c
Message 3
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| Subject: | Re: Damaged main gear |
Greg,
I have had a crack going about six inches up my left gear now for about
nine years. It has never gone any farther up. My theory is that the
landing gear face plate keeps it from spreading. No blood,,, no fowl ! !
Knock Wood ! ! ! !
At some point before my kit #390 Aero Designs told me that they had
strengthened the original composite gear. I think they said they had gone
from a foam core to a solit core. I was told that to test the strengthen
gear they had pressed it down flat and that it didn't break but it didn't
come all the way back to its original shape either. ((( I took this all
with a grain of salt. )))
What is the core material of the one you have ? ? ? ?
Bernie Wilder
On Sat, Apr 13, 2013 at 8:29 AM, <GREGSMI@aol.com> wrote:
> **
> This is exactly what I may have to do, although I am not thrilled with the
> idea of cutting the bottom out of the plane to remove the gear. The upper
> portion of the gear is in good shape and the attach points are solid with
> no sign of delaminating on the gear tabs, which is a good testimony to
> the strength of the design.
>
> In a message dated 4/13/2013 1:39:55 A.M. Central Daylight Time,
> kdpalmer@mweb.co.za writes:
>
> *Greg,*
> * You mentioned your cracked gear could be repaired - couldn't
> you epoxy and clamp it together, then clean it up for mould purposes ?*
> **
> *Keith*
> **
> **
>
> ----- Original Message -----
> *From:* GREGSMI@aol.com
> *To:* pulsar-list@matronics.com
> *Sent:* Saturday, April 13, 2013 3:48 AM
> *Subject:* Re: Pulsar-List: Damaged main gear
>
> In the case I am working on, it appears the gear was damaged upon a high
> speed touch down with the brakes on, causing vertical cracks radiating from
> the axle plate. This may be repaired with 45 degree wraps of carbon fiber
> but I want a way to replace glass gears in the future. I am a firm believer
> in the glass gear for the Pulsar. I plan to talk about this at the Pulsar
> reunion.
>
> Greg
>
> In a message dated 4/12/2013 6:35:43 P.M. Central Daylight Time,
> lwheat2083@gmail.com writes:
>
> Just out of curiosity what happened to the gear? Something maybe we should
> look for on our inspections? What is the glass makeup you would use on the
> new gear. Thanks in advance for any input. Cheers, Larry N852LW
>
>
> On Fri, Apr 12, 2013 at 3:55 PM, <GREGSMI@aol.com> wrote:
>
>> **
>> OK guys, seems no one has a glass gear for sale so I have decided to make
>> a good mold. Does anyone have a cracked gear I can use as a plug for the
>> mold? If not, does anyone have a gear I can borrow long enough to make the
>> mold?
>>
>> Once I have the mold, I will be able to make gears for anyone that needs
>> one.
>>
>> Thanks
>> Greg Smith
>>
>> *
>>
>> arget="_blank">http://www.matronics.com/Navigator?Pulsar-List
>> tp://forums.matronics.com
>> _blank">http://www.matronics.com/contribution
>> *
>>
>>
>
>
> --
> Larry Wheat
>
> *
>
> ef="http://www.matronics.com/Navigator?Pulsar-List">http://www.matronics.com/Navigator?Pulsar-Lists.matronics.com/">http://forums.matronics.com
> p://www.matronics.com/contribution">http://www.matronics.com/contribution
> *
>
> *
>
> href="http://www.matronics.com/Navigator?Pulsar-List">http://www.matronhref="http://forums.matronics.com">http://forums.matronics.com
> href="http://www.matronics.com/contribution">http://www.matronics.com/c*
>
> *
>
> ef="http://www.matronics.com/Navigator?Pulsar-List">http://www.matronics.com/Navigator?Pulsar-Lists.matronics.com/">http://forums.matronics.com
> p://www.matronics.com/contribution">http://www.matronics.com/contribution
> *
>
> *
>
> *
>
>
Message 4
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| Subject: | Re: Pulsar-List Digest: 4 Msgs - 04/12/13 |
Regarding gear repair from Palmer-
If fractures were confined to only the resin between fibers, you could
theoretically inject resin and repair gear. But cracking of structure
normally involves fracturing of internal fibers which can not be repaired by
resin. Once a fracture is started, subsequent loading will propagate it
along the path of least resistance which is the resin/fiber interface.
Repairing such a part might be possible by adding sufficient external plies
to carry loading and bypass the damage of original leg. This would increase
weight and without high quality inspection equipment, you are never sure if
the repair came out as intended.
Bob H
> From: Pulsar-List Digest Server <pulsar-list@matronics.com>
> Date: Fri, 12 Apr 2013 23:58:20 -0700
> To: Pulsar-List Digest List <pulsar-list-digest@matronics.com>
> Subject: Pulsar-List Digest: 4 Msgs - 04/12/13
>
> *
>
> =================================================
> Online Versions of Today's List Digest Archive
> =================================================
>
> Today's complete Pulsar-List Digest can also be found in either of the
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> in HTML for viewing with a web browser and features Hyperlinked Indexes
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>
> HTML Version:
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>
> ----------------------------------------------------------
> Pulsar-List Digest Archive
> ---
> Total Messages Posted Fri 04/12/13: 4
> ----------------------------------------------------------
>
>
> Today's Message Index:
> ----------------------
>
> 1. 03:57 PM - Damaged main gear (GREGSMI@aol.com)
> 2. 04:35 PM - Re: Damaged main gear (Larry Wheat)
> 3. 06:49 PM - Re: Damaged main gear (GREGSMI@aol.com)
> 4. 07:56 PM - Re: Damaged main gear (Keith Palmer)
>
>
>
> ________________________________ Message 1
> _____________________________________
>
>
> Time: 03:57:01 PM PST US
> From: GREGSMI@aol.com
> Subject: Pulsar-List: Damaged main gear
>
> OK guys, seems no one has a glass gear for sale so I have decided to make a
> good mold. Does anyone have a cracked gear I can use as a plug for the
> mold? If not, does anyone have a gear I can borrow long enough to make the
> mold?
>
> Once I have the mold, I will be able to make gears for anyone that needs
> one.
>
> Thanks
> Greg Smith
>
> ________________________________ Message 2
> _____________________________________
>
>
> Time: 04:35:21 PM PST US
> Subject: Re: Pulsar-List: Damaged main gear
> From: Larry Wheat <lwheat2083@gmail.com>
>
> Just out of curiosity what happened to the gear? Something maybe we should
> look for on our inspections? What is the glass makeup you would use on the
> new gear. Thanks in advance for any input. Cheers, Larry N852LW
>
>
> On Fri, Apr 12, 2013 at 3:55 PM, <GREGSMI@aol.com> wrote:
>
>> **
>> OK guys, seems no one has a glass gear for sale so I have decided to make
>> a good mold. Does anyone have a cracked gear I can use as a plug for the
>> mold? If not, does anyone have a gear I can borrow long enough to make the
>> mold?
>>
>> Once I have the mold, I will be able to make gears for anyone that needs
>> one.
>>
>> Thanks
>> Greg Smith
>>
>> *
>>
>> *
>>
>>
>
>
> --
> Larry Wheat
>
> ________________________________ Message 3
> _____________________________________
>
>
> Time: 06:49:45 PM PST US
> From: GREGSMI@aol.com
> Subject: Re: Pulsar-List: Damaged main gear
>
> In the case I am working on, it appears the gear was damaged upon a high
> speed touch down with the brakes on, causing vertical cracks radiating from
> the axle plate. This may be repaired with 45 degree wraps of carbon fiber
> but I want a way to replace glass gears in the future. I am a firm believer
> in the glass gear for the Pulsar. I plan to talk about this at the Pulsar
> reunion.
>
> Greg
>
>
> In a message dated 4/12/2013 6:35:43 P.M. Central Daylight Time,
> lwheat2083@gmail.com writes:
>
> Just out of curiosity what happened to the gear? Something maybe we should
> look for on our inspections? What is the glass makeup you would use on the
> new gear. Thanks in advance for any input. Cheers, Larry N852LW
>
>
> On Fri, Apr 12, 2013 at 3:55 PM, <_GREGSMI@aol.com_
> (mailto:GREGSMI@aol.com) > wrote:
>
>
> OK guys, seems no one has a glass gear for sale so I have decided to make
> a good mold. Does anyone have a cracked gear I can use as a plug for the
> mold? If not, does anyone have a gear I can borrow long enough to make the
> mold?
>
> Once I have the mold, I will be able to make gears for anyone that needs
> one.
>
> Thanks
> Greg Smith
>
>
> arget="_blank">http://www.matronics.com/Navigator?Pulsar-List
>
>
> tp://forums.matronics.com _blank">http://www.matronics.com/contribution
>
>
> --
> Larry Wheat
>
>
> ________________________________ Message 4
> _____________________________________
>
>
> Time: 07:56:32 PM PST US
> From: "Keith Palmer" <kdpalmer@mweb.co.za>
> Subject: Re: Pulsar-List: Damaged main gear
>
> Greg,
> You mentioned your cracked gear could be repaired - couldn't
> you epoxy and clamp it together, then clean it up for mould purposes ?
>
> Keith
>
>
> ----- Original Message -----
> From: GREGSMI@aol.com
> To: pulsar-list@matronics.com
> Sent: Saturday, April 13, 2013 3:48 AM
> Subject: Re: Pulsar-List: Damaged main gear
>
>
> In the case I am working on, it appears the gear was damaged upon a
> high speed touch down with the brakes on, causing vertical cracks
> radiating from the axle plate. This may be repaired with 45 degree wraps
> of carbon fiber but I want a way to replace glass gears in the future. I
> am a firm believer in the glass gear for the Pulsar. I plan to talk
> about this at the Pulsar reunion.
>
> Greg
>
> In a message dated 4/12/2013 6:35:43 P.M. Central Daylight Time,
> lwheat2083@gmail.com writes:
> Just out of curiosity what happened to the gear? Something maybe we
> should look for on our inspections? What is the glass makeup you would
> use on the new gear. Thanks in advance for any input. Cheers, Larry
> N852LW
>
>
> On Fri, Apr 12, 2013 at 3:55 PM, <GREGSMI@aol.com> wrote:
>
> OK guys, seems no one has a glass gear for sale so I have decided
> to make a good mold. Does anyone have a cracked gear I can use as a plug
> for the mold? If not, does anyone have a gear I can borrow long enough
> to make the mold?
>
> Once I have the mold, I will be able to make gears for anyone that
> needs one.
>
> Thanks
> Greg Smith
>
>
> arget="_blank">http://www.matronics.com/Navigator?Pulsar-List
> tp://forums.matronics.com
> _blank">http://www.matronics.com/contribution
>
>
> --
> Larry Wheat
>
>
> ef="http://www.matronics.com/Navigator?Pulsar-List">http://www.matronic
> s.com/Navigator?Pulsar-List
> s.matronics.com/">http://forums.matronics.com
> p://www.matronics.com/contribution">http://www.matronics.com/contribution
>
>
>
>
>
>
>
>
>
Message 5
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| Subject: | Re: Damaged main gear |
On 4/12/2013 6:55 PM, GREGSMI@aol.com wrote:
> OK guys, seems no one has a glass gear for sale so I have decided to
> make a good mold. Does anyone have a cracked gear I can use as a plug
> for the mold? If not, does anyone have a gear I can borrow long enough
> to make the mold?
> Once I have the mold, I will be able to make gears for anyone that
> needs one.
> Thanks
> Greg Smith
> *
>
>
> *
Hi Greg You might think back to EAA this summer when we had a discussion
with with a fellow Pulsar man and his wife from England? He was looking
for a Grove gear, possibly he might want a glass set up just a thought.
Emil
Message 6
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| Subject: | Re: Damaged main gear |
Hi
It was me. I have a perfectly repaired glass leg which I could ship as I got
an aluminium version as it had gun-drilled holes for hydraulics.
Please let me know if it's of interest.
Cheers
Scott MacIntyre
SFX and Armoury Supervisor
UK +44 7860 208432
US +1 (818) 397 0666
scott@s-f-x.com
On 13 Apr 2013, at 17:22, Emil Sr <papa11@centurylink.net> wrote:
> On 4/12/2013 6:55 PM, GREGSMI@aol.com wrote:
>> OK guys, seems no one has a glass gear for sale so I have decided to make
a good mold. Does anyone have a cracked gear I can use as a plug f
or the mold? If not, does anyone have a gear I can borrow long enough to mak
e the mold?
>>
>> Once I have the mold, I will be able to make gears for anyone that needs o
ne.
>>
>> Thanks
>> Greg Smith
> Hi Greg You might think back to EAA this summer when we had a discussion w
ith with a fellow Pulsar man and his wife from England? He was looking for a
Grove gear, possibly he might want a glass set up just a thought. Emil
>
>
==========================
=========
==========================
=========
==========================
=========
==========================
=========
>
Message 7
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| Subject: | Re: [Pulsar-Aviators] Damaged main gear |
I think the Grove gear is best for the heavier Pulsar II & III. It
certainly is in my case. It is more flexible then the glass gear was on
landings.
Ray Pulsar III/3300
From: owner-pulsar-list-server@matronics.com
[mailto:owner-pulsar-list-server@matronics.com] On Behalf Of
GREGSMI@aol.com
Sent: Saturday, April 13, 2013 5:18 AM
Subject: Pulsar-List: Re: [Pulsar-Aviators] Damaged main gear
I am aware of the Grove gear. We have a few Pulsars flying with it. I
just do not believe it is the best option for the Pulsar and prefer the
glass gear. I plan to talk about this at the Pulsar reunion this year,
as well as the nose gear.
Greg
In a message dated 4/12/2013 10:22:09 P.M. Central Daylight Time,
mnugents70@yahoo.com writes:
Www.groveaircraft.com <http://www.groveaircraft.com/>
Sent from my iPad
On Apr 12, 2013, at 10:48 PM, Chris Horsten <cphorsten@yahoo.ca> wrote:
Greg, is there no aluminum option?
Sent from my iPlane.
On 2013-04-12, at 6:55 PM, gregsmi@aol.com wrote:
OK guys, seems no one has a glass gear for sale so I have decided to
make a good mold. Does anyone have a cracked gear I can use as a plug
for the mold? If not, does anyone have a gear I can borrow long enough
to make the mold?
Once I have the mold, I will be able to make gears for anyone that needs
one.
Thanks
Greg Smith
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| Subject: | Re: Damaged main gear |
I am suspecting it is the solid gear. I think it can be repaired with
several layers of 45 degree carbon. Your situation is encouraging.
Thanks
Greg
In a message dated 4/13/2013 10:56:20 A.M. Central Daylight Time,
bernard.wilder2@gmail.com writes:
Greg,
I have had a crack going about six inches up my left gear now for about
nine years. It has never gone any farther up. My theory is that the landing
gear face plate keeps it from spreading. No blood,,, no fowl ! !
Knock Wood ! ! ! !
At some point before my kit #390 Aero Designs told me that they had
strengthened the original composite gear. I think they said they had gone from
a
foam core to a solit core. I was told that to test the strengthen gear
they had pressed it down flat and that it didn't break but it didn't come all
the way back to its original shape either. ((( I took this all with a
grain of salt. )))
What is the core material of the one you have ? ? ? ?
Bernie Wilder
On Sat, Apr 13, 2013 at 8:29 AM, <_GREGSMI@aol.com_
(mailto:GREGSMI@aol.com) > wrote:
This is exactly what I may have to do, although I am not thrilled with the
idea of cutting the bottom out of the plane to remove the gear. The upper
portion of the gear is in good shape and the attach points are solid with
no sign of delaminating on the gear tabs, which is a good testimony to the
strength of the design.
In a message dated 4/13/2013 1:39:55 A.M. Central Daylight Time,
_kdpalmer@mweb.co.za_ (mailto:kdpalmer@mweb.co.za) writes:
Greg,
You mentioned your cracked gear could be repaired - couldn't you
epoxy and clamp it together, then clean it up for mould purposes ?
Keith
----- Original Message -----
From: _GREGSMI@aol.com_ (mailto:GREGSMI@aol.com)
Sent: Saturday, April 13, 2013 3:48 AM
Subject: Re: Pulsar-List: Damaged main gear
In the case I am working on, it appears the gear was damaged upon a high
speed touch down with the brakes on, causing vertical cracks radiating from
the axle plate. This may be repaired with 45 degree wraps of carbon fiber
but I want a way to replace glass gears in the future. I am a firm believer
in the glass gear for the Pulsar. I plan to talk about this at the Pulsar
reunion.
Greg
In a message dated 4/12/2013 6:35:43 P.M. Central Daylight Time,
_lwheat2083@gmail.com_ (mailto:lwheat2083@gmail.com) writes:
Just out of curiosity what happened to the gear? Something maybe we should
look for on our inspections? What is the glass makeup you would use on the
new gear. Thanks in advance for any input. Cheers, Larry N852LW
On Fri, Apr 12, 2013 at 3:55 PM, <_GREGSMI@aol.com_
(mailto:GREGSMI@aol.com) > wrote:
OK guys, seems no one has a glass gear for sale so I have decided to make
a good mold. Does anyone have a cracked gear I can use as a plug for the
mold? If not, does anyone have a gear I can borrow long enough to make the
mold?
Once I have the mold, I will be able to make gears for anyone that needs
one.
Thanks
Greg Smith
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