Today's Message Index:
----------------------
1. 03:21 AM - Re: When to service the propeller? (Bob Leffler)
2. 06:31 AM - Re: When to service the propeller? (Kelly McMullen)
3. 07:43 AM - Re: When to service the propeller? (Lenard Iszak)
4. 09:24 AM - Re: When to service the propeller? (William Greenley)
5. 03:03 PM - Re: When to service the propeller? (Tim Lewis)
6. 04:52 PM - TruTrak C servo repair/teardown (Tim Olson)
7. 05:18 PM - Re: TruTrak C servo repair/teardown (Richard Gurley)
8. 05:19 PM - TruTrak C servo repair/teardown (Richard McBride)
9. 06:32 PM - Re: TruTrak C servo repair/teardown (Tim Lewis)
10. 08:38 PM - Re: TruTrak C servo repair/teardown (Jesse Saint)
11. 08:53 PM - Re: TruTrak C servo repair/teardown (Tim Olson)
12. 08:54 PM - Re: TruTrak C servo repair/teardown (David Saylor)
13. 09:09 PM - Re: TruTrak C servo repair/teardown (Tim Olson)
Message 1
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| Subject: | Re: When to service the propeller? |
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Message 2
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| Subject: | Re: When to service the propeller? |
The only one I found is:
https://www.skygeek.com/nyco-gn-148-blue-grease-400-gram-cartridge.html
$23
On 1/3/2021 4:20 AM, Bob Leffler wrote:
> Heres a photo of the new grease Hartzell is now using. It appears
> that its only available through Hartzell authorized service centers.
> The shop I used wanted $20~$25 per tube.
>
> It would be nice if one of the major retailers would start stocking. I
> suspect it may take some time for them to begin aware of the change and
> demand to warrant stocking.
>
> If anyone finds alternate sources, please let the list know.
>
> Bob
>
> Image.jpeg
> Get Outlook for iOS <https://aka.ms/o0ukef>
> ------------------------------------------------------------------------
> *From:* owner-rv10-list-server@matronics.com
> <owner-rv10-list-server@matronics.com> on behalf of Bob Leffler
> <bob@thelefflers.com>
> *Sent:* Tuesday, December 29, 2020 10:53:09 AM
> *To:* rv10-list@matronics.com <rv10-list@matronics.com>
> *Subject:* Re: RV10-List: When to service the propeller?
> I was surprised with that as well when I had my prop serviced recently.
> The shop included a tube of the new grease. I have yet to find a
> source for the new grease other than a prop shop.
>
> Anyone have a solution for stopping the grease from breaking down and
> leaking from the gun during hot weather? With just six pumps per
> condition inspection, it would be nice to use a tube on more than one
> inspection.
>
> Get Outlook for iOS <https://aka.ms/o0ukef>
> ------------------------------------------------------------------------
> *From:* owner-rv10-list-server@matronics.com
> <owner-rv10-list-server@matronics.com> on behalf of Tim Olson
> <Tim@MyRV10.com>
> *Sent:* Tuesday, December 29, 2020 10:26:10 AM
> *To:* rv10-list@matronics.com <rv10-list@matronics.com>
> *Subject:* Re: RV10-List: When to service the propeller?
>
> On that note,I read recently that hartzell started using a new grease
> not long ago. So if you have a new prop or get an overhaul or reseal,
> make sure to verify the type of grease because you may need to order
> that special type of grease from there on.
> Tim
>
>> On Dec 29, 2020, at 7:45 AM, Kelly McMullen <kellym@aviating.com> wrote:
>>
>>
>> As for the grease in the prop, you should use whatever the prop shop installed
when it was last reassembled, and there should be a sticker identifying that
grease. Most until recent years used Aeroshell 6.
>>
>>> On 12/28/2020 10:50 PM, Lenny Iszak wrote:
>>> I had mine (2009 prop with 700 hrs) overhauled a few months ago at Palm Beach
Aircraft Propeller, for $2845 + tax.
>>> The seals in it where in pretty bad shape, it was covering my windshield with
grease after every flight. A pretty good sign that it needed some TLC.
>>> Btw, Hartzell recommends a new grease now, so if you do get an overhaul, grab
a couple of tubes from the prop shop, as its otherwise unobtanium from the
popular aircraft parts stores.
>>> Lenny
>>>>> On Dec 29, 2020, at 12:24 AM, Tim Olson <Tim@MyRV10.com> wrote:
>>>>
>>>>
>>>> Rob,
>>>> You're not alone. I am overdue on my Hartzell also. Nearly 15 years.
>>>> But, I did have mine re-sealed a few years ago. I am sure that your
>>>> prop will still be functioning fine a while from now, but, I'd say
>>>> plan on a 10 year at least.
>>>>
>>>> I've had mine off a few times for various reasons. Inside the
>>>> crank cavity into the prop hub, you've almost certainly got a lot of
>>>> gray paste build-up that happens over time. I've cleaned mine
>>>> out whenever the prop has been off. This winter I plan to get
>>>> the prop overhauled, and it will be interesting to hear how it
>>>> goes. I agree that 6 years and 550 hours would seem pretty short.
>>>> To me it's like how Lycoming recommends an engine rebuild in 12 years
>>>> or 2000 hours. But, there still is a point where an overhaul is due
>>>> and I think I'm there. I intended to do it when I replaced the engine
>>>> this summer, but this wasn't a good year for it $$$.
>>>>
>>>> I have heard overhauls run $2500, but the place near me charges
>>>> $3000. Would be nice to hear what kinds of quotes other people have
>>>> gotten, and where they recommend.
>>>> Tim
>>>>
>>>>
>>>> On 12/28/20 10:58 PM, Rob Kochman wrote:
>>>>> My RV-10 has the standard Hartzell 2-blade constant speed prop, purchased
new. To this point, I've done nothing but lubricate and inspect it annually,
as well as file out nicks. I know Hartzell says 6 years for an overhaul, but given
limited use (550 hours total time) and the fact that it's always hangared,
that seemed
> excessively conservative. It's also not leaking any oil (still looks
> like new inside the spinner). However, I'm now approaching 10 years, so
> curious to hear what people recommend. Thanks!
>>>>> -Rob
>>>>> --
>>>>> Rob Kochman
>>>>> RV-10 Flying since March 2011
>>>>> Kirkland, WA
>>>>
>>>>
>>>>
>>
>>
>>
>
> <http://www.matronics.com/Navigator?RV10-List>
> <http://www.matronics.com/contribution>
>
>
>
Message 3
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| Subject: | Re: When to service the propeller? |
This is what they put in my prop:
Lenny
> On Jan 3, 2021, at 9:54 AM, Kelly McMullen <kellym@aviating.com> wrote:
>
com>
>
> The only one I found is:
> https://www.skygeek.com/nyco-gn-148-blue-grease-400-gram-cartridge.html
> $23
>> On 1/3/2021 4:20 AM, Bob Leffler wrote:
>> Here=99s a photo of the new grease Hartzell is now using. It appe
ars that it=99s only available through Hartzell authorized service cen
ters. The shop I used wanted $20~$25 per tube.
>> It would be nice if one of the major retailers would start stocking. I s
uspect it may take some time for them to begin aware of the change and deman
d to warrant stocking.
>> If anyone finds alternate sources, please let the list know.
>> Bob
>> Image.jpeg
>> Get Outlook for iOS <https://aka.ms/o0ukef>
>> ------------------------------------------------------------------------
>> *From:* owner-rv10-list-server@matronics.com <owner-rv10-list-server@matr
onics.com> on behalf of Bob Leffler <bob@thelefflers.com>
>> *Sent:* Tuesday, December 29, 2020 10:53:09 AM
>> *To:* rv10-list@matronics.com <rv10-list@matronics.com>
>> *Subject:* Re: RV10-List: When to service the propeller?
>> I was surprised with that as well when I had my prop serviced recently.
The shop included a tube of the new grease. I have yet to find a source f
or the new grease other than a prop shop.
>> Anyone have a solution for stopping the grease from breaking down and lea
king from the gun during hot weather? With just six pumps per condition in
spection, it would be nice to use a tube on more than one inspection.
>> Get Outlook for iOS <https://aka.ms/o0ukef>
>> ------------------------------------------------------------------------
>> *From:* owner-rv10-list-server@matronics.com <owner-rv10-list-server@matr
onics.com> on behalf of Tim Olson <Tim@MyRV10.com>
>> *Sent:* Tuesday, December 29, 2020 10:26:10 AM
>> *To:* rv10-list@matronics.com <rv10-list@matronics.com>
>> *Subject:* Re: RV10-List: When to service the propeller?
>> On that note,I read recently that hartzell started using a new grease not
long ago. So if you have a new prop or get an overhaul or reseal, make sure
to verify the type of grease because you may need to order that special typ
e of grease from there on.
>> Tim
>>>> On Dec 29, 2020, at 7:45 AM, Kelly McMullen <kellym@aviating.com> wrote
:
g.com>
>>> As for the grease in the prop, you should use whatever the prop shop ins
talled when it was last reassembled, and there should be a sticker identifyi
ng that grease. Most until recent years used Aeroshell 6.
>>>> On 12/28/2020 10:50 PM, Lenny Iszak wrote:
>>>> I had mine (2009 prop with 700 hrs) overhauled a few months ago at Palm
Beach Aircraft Propeller, for $2845 + tax.
>>>> The seals in it where in pretty bad shape, it was covering my windshiel
d with grease after every flight. A pretty good sign that it needed some TLC
.
>>>> Btw, Hartzell recommends a new grease now, so if you do get an overhaul
, grab a couple of tubes from the prop shop, as it=99s otherwise unobt
anium from the popular aircraft parts stores.
>>>> Lenny
>>>>>> On Dec 29, 2020, at 12:24 AM, Tim Olson <Tim@MyRV10.com> wrote:
>>>>> Rob,
>>>>> You're not alone. I am overdue on my Hartzell also. Nearly 15 years.
>>>>> But, I did have mine re-sealed a few years ago. I am sure that your
>>>>> prop will still be functioning fine a while from now, but, I'd say
>>>>> plan on a 10 year at least.
>>>>> I've had mine off a few times for various reasons. Inside the
>>>>> crank cavity into the prop hub, you've almost certainly got a lot of
>>>>> gray paste build-up that happens over time. I've cleaned mine
>>>>> out whenever the prop has been off. This winter I plan to get
>>>>> the prop overhauled, and it will be interesting to hear how it
>>>>> goes. I agree that 6 years and 550 hours would seem pretty short.
>>>>> To me it's like how Lycoming recommends an engine rebuild in 12 years
>>>>> or 2000 hours. But, there still is a point where an overhaul is due
>>>>> and I think I'm there. I intended to do it when I replaced the engine
>>>>> this summer, but this wasn't a good year for it $$$.
>>>>> I have heard overhauls run $2500, but the place near me charges
>>>>> $3000. Would be nice to hear what kinds of quotes other people have
>>>>> gotten, and where they recommend.
>>>>> Tim
>>>>> On 12/28/20 10:58 PM, Rob Kochman wrote:
>>>>>> My RV-10 has the standard Hartzell 2-blade constant speed prop, purch
ased new. To this point, I've done nothing but lubricate and inspect it annu
ally, as well as file out nicks. I know Hartzell says 6 years for an overhau
l, but given limited use (550 hours total time) and the fact that it's alwa
ys hangared, that seemed
>> excessively conservative. It's also not leaking any oil (still looks like
new inside the spinner). However, I'm now approaching 10 years, so curious t
o hear what people recommend. Thanks!
>>>>>> -Rob
>>>>>> --
>>>>>> Rob Kochman
>>>>>> RV-10 Flying since March 2011
>>>>>> Kirkland, WA
>> <http://www.matronics.com/Navigator?RV10-List>
>> <http://www.matronics.com/contribution>
==========================
=========
==========================
=========
==========================
=========
==========================
=========
==========================
=========
>
>
>
Message 4
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|
| Subject: | Re: When to service the propeller? |
The manufacturer describes is as follows: (interesting that they list it as
a wheel bearing grease)
*The newest high-temperature range grease for longer wheel bearing life*
DESCRIPTION
NYCO GREASE GN 3058 is a white lithium complex thickened synthetic grease
designed to operate in salty and humid environment in a very wide
temperature range going from -54=C2=B0C to +175=C2=B0C.
APPLICATIONS
- Wheels
- Landing gears
- Heavy loaded systems
MAIN BENEFITS
- High load carrying capabilities,
- Outstanding resistance to water washout and to high temperatures,
- Very good protection against corrosion even in the presence of salt
water.
On Sun, Jan 3, 2021 at 10:47 AM Lenard Iszak <lenard@rapiddecision.com>
wrote:
> This is what they put in my prop:
>
>
> Lenny
>
>
> > On Jan 3, 2021, at 9:54 AM, Kelly McMullen <kellym@aviating.com> wrote:
> >
ng.com>
> >
> > The only one I found is:
> > https://www.skygeek.com/nyco-gn-148-blue-grease-400-gram-cartridge.html
> > $23
> >> On 1/3/2021 4:20 AM, Bob Leffler wrote:
> >> Here=99s a photo of the new grease Hartzell is now using. It a
ppears
> that it=99s only available through Hartzell authorized service cent
ers. The
> shop I used wanted $20~$25 per tube.
> >> It would be nice if one of the major retailers would start stocking.
I
> suspect it may take some time for them to begin aware of the change and
> demand to warrant stocking.
> >> If anyone finds alternate sources, please let the list know.
> >> Bob
> >> Image.jpeg
> >> Get Outlook for iOS <https://aka.ms/o0ukef>
> >> ----------------------------------------------------------------------
--
> >> *From:* owner-rv10-list-server@matronics.com <
> owner-rv10-list-server@matronics.com> on behalf of Bob Leffler <
> bob@thelefflers.com>
> >> *Sent:* Tuesday, December 29, 2020 10:53:09 AM
> >> *To:* rv10-list@matronics.com <rv10-list@matronics.com>
> >> *Subject:* Re: RV10-List: When to service the propeller?
> >> I was surprised with that as well when I had my prop serviced
> recently. The shop included a tube of the new grease. I have yet to
> find a source for the new grease other than a prop shop.
> >> Anyone have a solution for stopping the grease from breaking down and
> leaking from the gun during hot weather? With just six pumps per
> condition inspection, it would be nice to use a tube on more than one
> inspection.
> >> Get Outlook for iOS <https://aka.ms/o0ukef>
> >> ----------------------------------------------------------------------
--
> >> *From:* owner-rv10-list-server@matronics.com <
> owner-rv10-list-server@matronics.com> on behalf of Tim Olson
> <Tim@MyRV10.com>
> >> *Sent:* Tuesday, December 29, 2020 10:26:10 AM
> >> *To:* rv10-list@matronics.com <rv10-list@matronics.com>
> >> *Subject:* Re: RV10-List: When to service the propeller?
> >> On that note,I read recently that hartzell started using a new grease
> not long ago. So if you have a new prop or get an overhaul or reseal, mak
e
> sure to verify the type of grease because you may need to order that
> special type of grease from there on.
> >> Tim
> >>>> On Dec 29, 2020, at 7:45 AM, Kelly McMullen <kellym@aviating.com>
> wrote:
ting.com>
> >>> As for the grease in the prop, you should use whatever the prop shop
> installed when it was last reassembled, and there should be a sticker
> identifying that grease. Most until recent years used Aeroshell 6.
> >>>> On 12/28/2020 10:50 PM, Lenny Iszak wrote:
> lenard@rapiddecision.com>
> >>>> I had mine (2009 prop with 700 hrs) overhauled a few months ago at
> Palm Beach Aircraft Propeller, for $2845 + tax.
> >>>> The seals in it where in pretty bad shape, it was covering my
> windshield with grease after every flight. A pretty good sign that it
> needed some TLC.
> >>>> Btw, Hartzell recommends a new grease now, so if you do get an
> overhaul, grab a couple of tubes from the prop shop, as it=99s othe
rwise
> unobtanium from the popular aircraft parts stores.
> >>>> Lenny
> >>>>>> On Dec 29, 2020, at 12:24 AM, Tim Olson <Tim@MyRV10.com> wrote:
> >>>>> Rob,
> >>>>> You're not alone. I am overdue on my Hartzell also. Nearly 15
> years.
> >>>>> But, I did have mine re-sealed a few years ago. I am sure that you
r
> >>>>> prop will still be functioning fine a while from now, but, I'd say
> >>>>> plan on a 10 year at least.
> >>>>> I've had mine off a few times for various reasons. Inside the
> >>>>> crank cavity into the prop hub, you've almost certainly got a lot o
f
> >>>>> gray paste build-up that happens over time. I've cleaned mine
> >>>>> out whenever the prop has been off. This winter I plan to get
> >>>>> the prop overhauled, and it will be interesting to hear how it
> >>>>> goes. I agree that 6 years and 550 hours would seem pretty short.
> >>>>> To me it's like how Lycoming recommends an engine rebuild in 12 yea
rs
> >>>>> or 2000 hours. But, there still is a point where an overhaul is du
e
> >>>>> and I think I'm there. I intended to do it when I replaced the engi
ne
> >>>>> this summer, but this wasn't a good year for it $$$.
> >>>>> I have heard overhauls run $2500, but the place near me charges
> >>>>> $3000. Would be nice to hear what kinds of quotes other people hav
e
> >>>>> gotten, and where they recommend.
> >>>>> Tim
> >>>>> On 12/28/20 10:58 PM, Rob Kochman wrote:
> >>>>>> My RV-10 has the standard Hartzell 2-blade constant speed prop,
> purchased new. To this point, I've done nothing but lubricate and inspect
> it annually, as well as file out nicks. I know Hartzell says 6 years for
an
> overhaul, but given limited use (550 hours total time) and the fact that
> it's always hangared, that seemed
> >> excessively conservative. It's also not leaking any oil (still looks
> like new inside the spinner). However, I'm now approaching 10 years, so
> curious to hear what people recommend. Thanks!
> >>>>>> -Rob
> >>>>>> --
> >>>>>> Rob Kochman
> >>>>>> RV-10 Flying since March 2011
> >>>>>> Kirkland, WA
> >> <http://www.matronics.com/Navigator?RV10-List>
> >> <http://www.matronics.com/contribution>
> ========================
===========
> ========================
===========
> ========================
===========
> ========================
===========
> ========================
===========
> >
> >
> >
>
Message 5
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|
| Subject: | Re: When to service the propeller? |
> Anyone have a solution for stopping the grease from breaking down and
> leaking from the gun during hot weather? With just six pumps per
> condition inspection, it would be nice to use a tube on more than one
> inspection.
On my grease gun, I can pull the T handle all the way back, rotate the
handle (takes some trial and error) to find the T handle orientation
where the handle stays pulled out. This keeps the grease from being
under constant spring pressure, which helps prevent the oil from
separating from the wax (on Aeroshell 6).
BTW, Aeroshell now extends the shelf life of Aeroshell 6 if unopened and
stored at constant temp:
https://jota.net.pl/wp-content/uploads/2020/03/Change-of-AeroShell-Grease-Shelf-Life-12062019.pdf
--
Tim Lewis -- HEF (Manassas, VA)
CFI, A&P
RV-6A N47TD -- 1104 hrs - sold
RV-10 N31TD -- 1200 hrs
Bob Leffler wrote on 12/29/2020 10:53 AM:
> I was surprised with that as well when I had my prop serviced
> recently. The shop included a tube of the new grease. I have yet to
> find a source for the new grease other than a prop shop.
>
> Anyone have a solution for stopping the grease from breaking down and
> leaking from the gun during hot weather? With just six pumps per
> condition inspection, it would be nice to use a tube on more than one
> inspection.
>
> Get Outlook for iOS <https://aka.ms/o0ukef>
> ------------------------------------------------------------------------
> *From:* owner-rv10-list-server@matronics.com
> <owner-rv10-list-server@matronics.com> on behalf of Tim Olson
> <Tim@MyRV10.com>
> *Sent:* Tuesday, December 29, 2020 10:26:10 AM
> *To:* rv10-list@matronics.com <rv10-list@matronics.com>
> *Subject:* Re: RV10-List: When to service the propeller?
>
> On that note,I read recently that hartzell started using a new grease
> not long ago. So if you have a new prop or get an overhaul or reseal,
> make sure to verify the type of grease because you may need to order
> that special type of grease from there on.
> Tim
>
> > On Dec 29, 2020, at 7:45 AM, Kelly McMullen <kellym@aviating.com> wrote:
> >
> >
> > As for the grease in the prop, you should use whatever the prop shop
> installed when it was last reassembled, and there should be a sticker
> identifying that grease. Most until recent years used Aeroshell 6.
> >
> >> On 12/28/2020 10:50 PM, Lenny Iszak wrote:
> >> I had mine (2009 prop with 700 hrs) overhauled a few months ago at
> Palm Beach Aircraft Propeller, for $2845 + tax.
> >> The seals in it where in pretty bad shape, it was covering my
> windshield with grease after every flight. A pretty good sign that it
> needed some TLC.
> >> Btw, Hartzell recommends a new grease now, so if you do get an
> overhaul, grab a couple of tubes from the prop shop, as its otherwise
> unobtanium from the popular aircraft parts stores.
> >> Lenny
> >>>> On Dec 29, 2020, at 12:24 AM, Tim Olson <Tim@MyRV10.com> wrote:
> >>>
> >>>
> >>> Rob,
> >>> You're not alone. I am overdue on my Hartzell also. Nearly 15 years.
> >>> But, I did have mine re-sealed a few years ago. I am sure that your
> >>> prop will still be functioning fine a while from now, but, I'd say
> >>> plan on a 10 year at least.
> >>>
> >>> I've had mine off a few times for various reasons. Inside the
> >>> crank cavity into the prop hub, you've almost certainly got a lot of
> >>> gray paste build-up that happens over time. I've cleaned mine
> >>> out whenever the prop has been off. This winter I plan to get
> >>> the prop overhauled, and it will be interesting to hear how it
> >>> goes. I agree that 6 years and 550 hours would seem pretty short.
> >>> To me it's like how Lycoming recommends an engine rebuild in 12 years
> >>> or 2000 hours. But, there still is a point where an overhaul is due
> >>> and I think I'm there. I intended to do it when I replaced the engine
> >>> this summer, but this wasn't a good year for it $$$.
> >>>
> >>> I have heard overhauls run $2500, but the place near me charges
> >>> $3000. Would be nice to hear what kinds of quotes other people have
> >>> gotten, and where they recommend.
> >>> Tim
> >>>
> >>>
> >>> On 12/28/20 10:58 PM, Rob Kochman wrote:
> >>>> My RV-10 has the standard Hartzell 2-blade constant speed prop,
> purchased new. To this point, I've done nothing but lubricate and
> inspect it annually, as well as file out nicks. I know Hartzell says 6
> years for an overhaul, but given limited use (550 hours total time)
> and the fact that it's always hangared, that seemed excessively
> conservative. It's also not leaking any oil (still looks like new
> inside the spinner). However, I'm now approaching 10 years, so curious
> to hear what people recommend. Thanks!
> >>>> -Rob
> >>>> --
> >>>> Rob Kochman
> >>>> RV-10 Flying since March 2011
> >>>> Kirkland, WA
> >>>
> >>>
> >>>
> >
> >
> >
>
> <http://www.matronics.com/Navigator?RV10-List>
> <http://www.matronics.com/contribution>
>
>
Message 6
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| Subject: | TruTrak C servo repair/teardown |
Hey all, my 16 year old TruTrack DSB-C type servo in my wing (aileron)
got tight and binding. Interestingly it releases once in a while like
the clutch releases but then binds again. So I pulled it out today,
and will start looking into replacement. I would also like to
tear it open if it's something that I can do without wrecking anything
inside, to see what broke. Does anyone have any teardown pics or
has anyone had a servo rebuilt by TruTrak (I guess now Bendix) before?
Just interested in how much $$ I'll be out to get it fixed up and
working again. I'd like to keep one as a spare from here out,
since I have 2 planes that could use them.
Tim
Message 7
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|
| Subject: | Re: TruTrak C servo repair/teardown |
I have an older never installed servo that I am more than willing to sell. Let
me know if you are interested.
Dick
Sent from my iPhone
> On Jan 3, 2021, at 7:52 PM, Tim Olson <Tim@myrv10.com> wrote:
>
>
> Hey all, my 16 year old TruTrack DSB-C type servo in my wing (aileron) got tight
and binding. Interestingly it releases once in a while like
> the clutch releases but then binds again. So I pulled it out today,
> and will start looking into replacement. I would also like to
> tear it open if it's something that I can do without wrecking anything
> inside, to see what broke. Does anyone have any teardown pics or
> has anyone had a servo rebuilt by TruTrak (I guess now Bendix) before?
> Just interested in how much $$ I'll be out to get it fixed up and working again.
I'd like to keep one as a spare from here out,
> since I have 2 planes that could use them.
> Tim
>
>
>
Message 8
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|
| Subject: | TruTrak C servo repair/teardown |
Tim,
I have the servo youre looking for and it has never been used. I can provide you
pics and details if you wish. Ill take $375 plus shipping if youre interested.
Rick McBride
> On Jan 3, 2021, at 5:57 PM, Tim Olson <Tim@myrv10.com> wrote:
>
>
> Hey all, my 16 year old TruTrack DSB-C type servo in my wing (aileron) got tight
and binding. Interestingly it releases once in a while like
> the clutch releases but then binds again. So I pulled it out today,
> and will start looking into replacement. I would also like to
> tear it open if it's something that I can do without wrecking anything
> inside, to see what broke. Does anyone have any teardown pics or
> has anyone had a servo rebuilt by TruTrak (I guess now Bendix) before?
> Just interested in how much $$ I'll be out to get it fixed up and working again.
I'd like to keep one as a spare from here out,
> since I have 2 planes that could use them.
> Tim
Message 9
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|
| Subject: | Re: TruTrak C servo repair/teardown |
Photos from my tear down of failed roll servo:
https://vansairforce.net/community/showthread.php?t=185735
I think roll servos are about $500.
--
Tim Lewis -- HEF (Manassas, VA)
CFI, A&P
RV-6A N47TD -- 1104 hrs - sold
RV-10 N31TD -- 1200 hrs
Tim Olson wrote on 1/3/2021 7:51 PM:
>
> Hey all, my 16 year old TruTrack DSB-C type servo in my wing (aileron)
> got tight and binding. Interestingly it releases once in a while like
> the clutch releases but then binds again. So I pulled it out today,
> and will start looking into replacement. I would also like to
> tear it open if it's something that I can do without wrecking anything
> inside, to see what broke. Does anyone have any teardown pics or
> has anyone had a servo rebuilt by TruTrak (I guess now Bendix) before?
> Just interested in how much $$ I'll be out to get it fixed up and
> working again. I'd like to keep one as a spare from here out,
> since I have 2 planes that could use them.
> Tim
>
>
Message 10
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|
| Subject: | Re: TruTrak C servo repair/teardown |
Ive never torn one apart, but you may be able to contact Bruce at Mid Continent,
as hey are the TruTrak service center. Best option is finding someone who has
one, which has already been offered. Going price for a used one should be about
$250.
Jesse Saint
Saint Aviation, Inc.
352-427-0285
jesse@saintaviation.com
Sent from my iPad
> On Jan 3, 2021, at 8:00 PM, Tim Olson <Tim@myrv10.com> wrote:
>
>
> Hey all, my 16 year old TruTrack DSB-C type servo in my wing (aileron) got tight
and binding. Interestingly it releases once in a while like
> the clutch releases but then binds again. So I pulled it out today,
> and will start looking into replacement. I would also like to
> tear it open if it's something that I can do without wrecking anything
> inside, to see what broke. Does anyone have any teardown pics or
> has anyone had a servo rebuilt by TruTrak (I guess now Bendix) before?
> Just interested in how much $$ I'll be out to get it fixed up and working again.
I'd like to keep one as a spare from here out,
> since I have 2 planes that could use them.
> Tim
>
>
>
Message 11
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|
| Subject: | Re: TruTrak C servo repair/teardown |
Thanks to those who have replied so far. I do have a friend somewhat
near by that has
a pair of servos that he isn't using that he's been meaning to sell, so
I'm going to
take him up on that offer so that I have some spares.
Tim, your servo issues were a little shocking to read. I hadn't seen
those threads.
And even more shocking to hear it wasn't a single incident. In the
end, it was
comforting seeing the post that said they have adjusted the pin and hole
size to
prevent further issues. That's probably why mine that's a 2005 variety
is fine, but
that some of the newer ones are having issues. The ones I'll be getting
from
my friend are newer, so I should plan to inspect and secure those roll
pins before
ever using them. Your pics were good.
In the meantime, I removed the motor from my gear box. Everything in my
gear box
is fine. The motor itself is where my issues were, so it's a bit
different. What I found
was that if I let the motor sit, it would spin more freely for a
revolution or so, but then
get tight and stay tight, until I let it sit a while again. Not sure
why..maybe some magnetics
from rotating it? Anyway, after pulling the center core out, I didn't
see any real issues,
but, one of the 4 screws was corroded so obviously moisture was in that
area.
And there was corrosion around the bottom plate where it meets the round
sealing
area on the motor. The bearings on the motor were fine, and I didn't
see any
real visible reason for it jamming. However, after pulling it apart,
some particles
came out, probably either being corrosion that was crumbling and
released, or
something that was inside. Not a lot, mind you, but the tolerance of
that rotor
in the surrounding coils is pretty tight. And once I put it back in, it
spun much
more freely.
That was it, for tonight. Tomorrow night I'll take some gentle scotch
brite to
it inside to make sure any rust and corrosion is gone, and wipe it down
with something to clean it up. Maybe throw a little lightweight oil on the
bearings, and put some light oil on the screw shafts to keep them a
little more
corrosion free. I think this servo of mine will still have life left in it.
With 2 planes to maintain though, I'll gladly keep a pair of servos around
for spares.
Thanks to you all again for the replies. I'll take some pics if I can
remember to
do that when it's apart again.
Tim
On 1/3/2021 8:30 PM, Tim Lewis wrote:
>
> Photos from my tear down of failed roll servo:
> https://vansairforce.net/community/showthread.php?t=185735
>
> I think roll servos are about $500.
>
Message 12
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|
| Subject: | Re: TruTrak C servo repair/teardown |
TruTrak overhauled a roll servo for me in Aug 2019. The cost was $380 and
it looked <brand new>, including the serial number! They turned it around
the same day.
On Sun, Jan 3, 2021 at 16:55 Tim Olson <Tim@myrv10.com> wrote:
>
> Hey all, my 16 year old TruTrack DSB-C type servo in my wing (aileron)
> got tight and binding. Interestingly it releases once in a while like
> the clutch releases but then binds again. So I pulled it out today,
> and will start looking into replacement. I would also like to
> tear it open if it's something that I can do without wrecking anything
> inside, to see what broke. Does anyone have any teardown pics or
> has anyone had a servo rebuilt by TruTrak (I guess now Bendix) before?
> Just interested in how much $$ I'll be out to get it fixed up and
> working again. I'd like to keep one as a spare from here out,
> since I have 2 planes that could use them.
> Tim
>
>
Message 13
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| Subject: | Re: TruTrak C servo repair/teardown |
Was that when it was still TruTrak, or through Bendix? I'm a little
leery of anything but
the original TruTrak folks, since the stories become less positive after
that purchase.
I would hope that good service will continue, but I'd feel more
comfortable if
the TruTrak guys still do their own repairs.
Tim
On 1/3/2021 10:53 PM, David Saylor wrote:
> TruTrak overhauled a roll servo for me in Aug 2019. The cost was $380
> and it looked <brand new>, including the serial number! They turned
> it around the same day.
>
> On Sun, Jan 3, 2021 at 16:55 Tim Olson <Tim@myrv10.com
> <mailto:Tim@myrv10.com>> wrote:
>
>
> Hey all, my 16 year old TruTrack DSB-C type servo in my wing
> (aileron)
> got tight and binding. Interestingly it releases once in a while like
> the clutch releases but then binds again. So I pulled it out today,
> and will start looking into replacement. I would also like to
> tear it open if it's something that I can do without wrecking anything
> inside, to see what broke. Does anyone have any teardown pics or
> has anyone had a servo rebuilt by TruTrak (I guess now Bendix) before?
> Just interested in how much $$ I'll be out to get it fixed up and
> working again. I'd like to keep one as a spare from here out,
> since I have 2 planes that could use them.
> Tim
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