Today's Message Index:
----------------------
1. 03:12 AM - Engine Mount Slump (Greg McFarlane)
2. 03:57 AM - Re: Engine Mount Slump (Dave Saylor)
3. 05:29 AM - Re: Engine Mount Slump (Carl Froehlich)
4. 06:28 AM - Re: Engine Mount Slump (Bob Leffler)
5. 06:34 AM - Re: Engine Mount Slump (Phillip Perry)
6. 06:49 AM - Re: Engine Mount Slump (Tim Olson)
7. 06:59 AM - Re: Engine Mount Slump (Jay Rowe)
8. 07:00 AM - Re: Engine Mount Slump (Bob Leffler)
9. 07:07 AM - Re: Engine Mount Slump (Phillip Perry)
10. 08:48 AM - Re: Engine Mount Slump (James McGrew)
11. 08:49 AM - Re: Engine Mount Slump (James McGrew)
12. 02:28 PM - Re: Engine Mount Slump (Rob Kochman)
13. 02:44 PM - Re: Engine Mount Slump (Tim Olson)
Message 1
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| Subject: | Engine Mount Slump |
[Rolling Eyes] Just fitting top cowl, what is the experience of flying RV10s regarding
the amount the engine/mounts drop/settle after say 100 hours, typically
the smaller 0320 & 0360 in sixes etc drop about quarter inch at the back of
the spinner is this about the same for the 10 with the 0540. Cheers from Western
Australia
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=385971#385971
Message 2
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| Subject: | Re: Engine Mount Slump |
We set the top cowl 1/8" to 3/16" below the upper edge of the spinner. It
drops down just right. Don't worry about the gap changing between the
spinner and prop. If you get it right from the start it doesn't change.
Dave Saylor
831-750-0284 CL
On Thu, Oct 25, 2012 at 3:11 AM, Greg McFarlane <grbcmcfarlane@gmail.com>wrote:
> >
>
> [Rolling Eyes] Just fitting top cowl, what is the experience of flying
> RV10s regarding the amount the engine/mounts drop/settle after say 100
> hours, typically the smaller 0320 & 0360 in sixes etc drop about quarter
> inch at the back of the spinner is this about the same for the 10 with the
> 0540. Cheers from Western Australia
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=385971#385971
>
>
Message 3
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| Subject: | Engine Mount Slump |
On my 8A I biased the cowl =C2=BC=9D down on the spinner (as in
=C2=BC=9D from the spinner being exactly in the center). 10 years
and 700 hours later it is still =C2=BC=9D down =93 so no
engine slump.
On the 10 I did the same but with the James Cowl that translated to the
top of the spinner being flush the top of the cowl, and the bottom of
the spinner being =C2=BC=9D above =9Cflush=9D to the
bottom of the cowl. 58 hours so far and the engine has not moved.
I=99ve seen a few long time flying RVs with the spinner proud
above the top of the cowl. You may not want to bias the cowl beyond the
top of the spinner being flush with the top of the cowl.
Carl
From: owner-rv10-list-server@matronics.com
[mailto:owner-rv10-list-server@matronics.com] On Behalf Of Dave Saylor
Sent: Thursday, October 25, 2012 6:57 AM
Subject: Re: RV10-List: Engine Mount Slump
We set the top cowl 1/8" to 3/16" below the upper edge of the spinner.
It drops down just right. Don't worry about the gap changing between
the spinner and prop. If you get it right from the start it doesn't
change.
Dave Saylor
831-750-0284 CL
On Thu, Oct 25, 2012 at 3:11 AM, Greg McFarlane
<grbcmcfarlane@gmail.com> wrote:
<grbcmcfarlane@gmail.com>
[Rolling Eyes] Just fitting top cowl, what is the experience of flying
RV10s regarding the amount the engine/mounts drop/settle after say 100
hours, typically the smaller 0320 & 0360 in sixes etc drop about quarter
inch at the back of the spinner is this about the same for the 10 with
the 0540. Cheers from Western Australia
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=385971#385971
" target="_blank">http://www.matronics.com/Navigator?RV10-List
MS -
k">http://forums.matronics.com
e -
-Matt Dralle, List Admin.
t="_blank">http://www.matronics.com/contribution
Message 4
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| Subject: | Re: Engine Mount Slump |
I set my cowl the same as Dave's a year ago. Mine hasn't dropped yet. Alth
ough, I'm not flying yet.
Sent from my iPhone
On Oct 25, 2012, at 6:56 AM, Dave Saylor <dave.saylor.aircrafters@gmail.com>
wrote:
We set the top cowl 1/8" to 3/16" below the upper edge of the spinner. It d
rops down just right. Don't worry about the gap changing between the spinne
r and prop. If you get it right from the start it doesn't change.
Dave Saylor
831-750-0284 CL
On Thu, Oct 25, 2012 at 3:11 AM, Greg McFarlane <grbcmcfarlane@gmail.com> wr
ote:
>
>
> [Rolling Eyes] Just fitting top cowl, what is the experience of flying RV1
0s regarding the amount the engine/mounts drop/settle after say 100 hours, t
ypically the smaller 0320 & 0360 in sixes etc drop about quarter inch at the
back of the spinner is this about the same for the 10 with the 0540. Cheers
from Western Australia
>
>
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=385971#385971
>
>
>
>
>
>
>
> ==========
> " target="_blank">http://www.matronics.com/Navigator?RV10-List
> ==========
> MS -
> k">http://forums.matronics.com
> ==========
> e -
> -Matt Dralle, List Admin.
> t="_blank">http://www.matronics.com/contribution
> ==========
>
>
>
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Message 5
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| Subject: | Re: Engine Mount Slump |
I'm interested in knowing how long the engine hung on the mount before the
cowling was fitted; then what the drop results were.
Mine has been hanging for nearly a year and I can't imagine getting it to
drop too much more - even when it starts operating.
Phil
On Thu, Oct 25, 2012 at 8:27 AM, Bob Leffler <rv@thelefflers.com> wrote:
> I set my cowl the same as Dave's a year ago. Mine hasn't dropped yet.
> Although, I'm not flying yet.
>
> Sent from my iPhone
>
> On Oct 25, 2012, at 6:56 AM, Dave Saylor <
> dave.saylor.aircrafters@gmail.com> wrote:
>
> We set the top cowl 1/8" to 3/16" below the upper edge of the spinner. It
> drops down just right. Don't worry about the gap changing between the
> spinner and prop. If you get it right from the start it doesn't change.
>
> Dave Saylor
> 831-750-0284 CL
>
>
> On Thu, Oct 25, 2012 at 3:11 AM, Greg McFarlane <grbcmcfarlane@gmail.com>wrote:
>
>> grbcmcfarlane@gmail.com>
>>
>> [Rolling Eyes] Just fitting top cowl, what is the experience of flying
>> RV10s regarding the amount the engine/mounts drop/settle after say 100
>> hours, typically the smaller 0320 & 0360 in sixes etc drop about quarter
>> inch at the back of the spinner is this about the same for the 10 with the
>> 0540. Cheers from Western Australia
>>
>>
>>
>>
>> Read this topic online here:
>>
>> http://forums.matronics.com/viewtopic.php?p=385971#385971
>>
>>
>>
>>
>>
>>
>>
>> ==========
>> " target="_blank">http://www.matronics.com/Navigator?RV10-List
>> ==========
>> MS -
>> k">http://forums.matronics.com
>> ==========
>> e -
>> -Matt Dralle, List Admin.
>> t="_blank">http://www.matronics.com/contribution
>> ==========
>>
>>
>>
>>
> *
>
> *
>
> *
>
> *
>
>
Message 6
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| Subject: | Re: Engine Mount Slump |
This isn't a measurement exactly, but I'll tell you I planned
for mine to drop based what other non-RV-10 builders were saying
at the time, since I was one of the earlier completions.
I found that it didn't drop for my RV-10 nearly as much as I
expected it to based on what they said. So I'd go with your
first reply and maybe do a max of 1/8" or 3/16" if you really
want to push it. Chances are you'll end up about right maybe
with 1/8" but any more and it may be high forever.
Tim
On 10/25/2012 8:33 AM, Phillip Perry wrote:
> I'm interested in knowing how long the engine hung on the mount before
> the cowling was fitted; then what the drop results were.
>
> Mine has been hanging for nearly a year and I can't imagine getting it
> to drop too much more - even when it starts operating.
>
> Phil
Message 7
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| Subject: | Re: Engine Mount Slump |
At initial build I fitted the cowling to match the spinner and the engine ha
d only been hanging for about a month. Then after two years and 250 hours of
flying the drop was about 1/4 inch--fairly easy to correct by placing washe
rs (1 thin and 1 thick) on the bottom motor mounts. I had to unbolt twice to
get the proper washer thickness in order to have a perfect height. It may b
e possible to mathmatically calculate the washer thickness but that would be
way above my pay grade. Jay Rowe
Sent from my iPhone
On Oct 25, 2012, at 6:33 AM, Phillip Perry <philperry9@gmail.com> wrote:
> I'm interested in knowing how long the engine hung on the mount before the
cowling was fitted; then what the drop results were.
>
> Mine has been hanging for nearly a year and I can't imagine getting it to d
rop too much more - even when it starts operating.
>
> Phil
>
>
>
>
>
> On Thu, Oct 25, 2012 at 8:27 AM, Bob Leffler <rv@thelefflers.com> wrote:
>> I set my cowl the same as Dave's a year ago. Mine hasn't dropped yet. A
lthough, I'm not flying yet.
>>
>> Sent from my iPhone
>>
>> On Oct 25, 2012, at 6:56 AM, Dave Saylor <dave.saylor.aircrafters@gmail.c
om> wrote:
>>
>> We set the top cowl 1/8" to 3/16" below the upper edge of the spinner. I
t drops down just right. Don't worry about the gap changing between the spi
nner and prop. If you get it right from the start it doesn't change.
>>
>> Dave Saylor
>> 831-750-0284 CL
>>
>>
>> On Thu, Oct 25, 2012 at 3:11 AM, Greg McFarlane <grbcmcfarlane@gmail.com>
wrote:
om>
>>>
>>> [Rolling Eyes] Just fitting top cowl, what is the experience of flying R
V10s regarding the amount the engine/mounts drop/settle after say 100 hours,
typically the smaller 0320 & 0360 in sixes etc drop about quarter inch at t
he back of the spinner is this about the same for the 10 with the 0540. Chee
rs from Western Australia
>>>
>>>
>>>
>>>
>>> Read this topic online here:
>>>
>>> http://forums.matronics.com/viewtopic.php?p=385971#385971
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>> ==========
>>> " target="_blank">http://www.matronics.com/Navigator?RV10-List
>>> ==========
>>> MS -
>>> k">http://forums.matronics.com
>>> ==========
>>> e -
>>> -Matt Dralle, List Admin.
>>> t="_blank">http://www.matronics.com/contribution
>>> ==========
>>
>>
>>
>>
>>
>>
>> 3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3
D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
>> 3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3
D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
>> 3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3
D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
>> 3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3
D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
>>
>
>
>
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>
Message 8
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| Subject: | Re: Engine Mount Slump |
Hung the engine 2/5/11. Cowl was fitted four weeks later. So it's been abou
t 20 months with no drop. So when you see the hub sitting 1/8" proud at OSH
, you'll know why.
Sent from my iPhone
On Oct 25, 2012, at 9:33 AM, Phillip Perry <philperry9@gmail.com> wrote:
I'm interested in knowing how long the engine hung on the mount before the c
owling was fitted; then what the drop results were.
Mine has been hanging for nearly a year and I can't imagine getting it to dr
op too much more - even when it starts operating.
Phil
On Thu, Oct 25, 2012 at 8:27 AM, Bob Leffler <rv@thelefflers.com> wrote:
> I set my cowl the same as Dave's a year ago. Mine hasn't dropped yet. Al
though, I'm not flying yet.
>
> Sent from my iPhone
>
> On Oct 25, 2012, at 6:56 AM, Dave Saylor <dave.saylor.aircrafters@gmail.co
m> wrote:
>
> We set the top cowl 1/8" to 3/16" below the upper edge of the spinner. It
drops down just right. Don't worry about the gap changing between the spin
ner and prop. If you get it right from the start it doesn't change.
>
> Dave Saylor
> 831-750-0284 CL
>
>
> On Thu, Oct 25, 2012 at 3:11 AM, Greg McFarlane <grbcmcfarlane@gmail.com> w
rote:
m>
>>
>> [Rolling Eyes] Just fitting top cowl, what is the experience of flying RV
10s regarding the amount the engine/mounts drop/settle after say 100 hours, t
ypically the smaller 0320 & 0360 in sixes etc drop about quarter inch at the
back of the spinner is this about the same for the 10 with the 0540. Cheers
from Western Australia
>>
>>
>>
>>
>> Read this topic online here:
>>
>> http://forums.matronics.com/viewtopic.php?p=385971#385971
>>
>>
>>
>>
>>
>>
>>
>> ==========
>> " target="_blank">http://www.matronics.com/Navigator?RV10-List
>> ==========
>> MS -
>> k">http://forums.matronics.com
>> ==========
>> e -
>> -Matt Dralle, List Admin.
>> t="_blank">http://www.matronics.com/contribution
>> ==========
>
>
>
>
>
>
> 3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3
D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
> 3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3
D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
> 3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3
D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
> 3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3
D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
>
==========================
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========
Message 9
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| Subject: | Re: Engine Mount Slump |
As long as we see it sitting proud at OSH.
On Thu, Oct 25, 2012 at 9:00 AM, Bob Leffler <rv@thelefflers.com> wrote:
> Hung the engine 2/5/11. Cowl was fitted four weeks later. So it's been
> about 20 months with no drop. So when you see the hub sitting 1/8" proud
> at OSH, you'll know why.
>
> Sent from my iPhone
>
> On Oct 25, 2012, at 9:33 AM, Phillip Perry <philperry9@gmail.com> wrote:
>
> I'm interested in knowing how long the engine hung on the mount before the
> cowling was fitted; then what the drop results were.
>
> Mine has been hanging for nearly a year and I can't imagine getting it to
> drop too much more - even when it starts operating.
>
> Phil
>
Message 10
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| Subject: | Re: Engine Mount Slump |
I set mine up 3/8 inch. At 200 hours spinner is level with the cowl.
-Jim
N312JE
On 10/25/12, Greg McFarlane <grbcmcfarlane@gmail.com> wrote:
>
> [Rolling Eyes] Just fitting top cowl, what is the experience of flying RV10s
> regarding the amount the engine/mounts drop/settle after say 100 hours,
> typically the smaller 0320 & 0360 in sixes etc drop about quarter inch at
> the back of the spinner is this about the same for the 10 with the 0540.
> Cheers from Western Australia
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=385971#385971
>
>
--
Sent from my mobile device
Message 11
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| Subject: | Re: Engine Mount Slump |
Correction 3/16 inch.
-Jim
On 10/25/12, James McGrew <jsmcgrew@alum.mit.edu> wrote:
> I set mine up 3/8 inch. At 200 hours spinner is level with the cowl.
>
> -Jim
> N312JE
>
> On 10/25/12, Greg McFarlane <grbcmcfarlane@gmail.com> wrote:
>> <grbcmcfarlane@gmail.com>
>>
>> [Rolling Eyes] Just fitting top cowl, what is the experience of flying
>> RV10s
>> regarding the amount the engine/mounts drop/settle after say 100 hours,
>> typically the smaller 0320 & 0360 in sixes etc drop about quarter inch at
>> the back of the spinner is this about the same for the 10 with the 0540.
>> Cheers from Western Australia
>>
>>
>>
>>
>> Read this topic online here:
>>
>> http://forums.matronics.com/viewtopic.php?p=385971#385971
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>
> --
> Sent from my mobile device
>
--
Sent from my mobile device
Message 12
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| Subject: | Re: Engine Mount Slump |
Ours didn't drop any noticeable amount. We used the Lord mounts (the
others weren't available), which I've heard results in less dropping, but
you'll find plenty of people that have seen a drop with the Lords, so seems
difficult to preduct.
-Rob
On Thu, Oct 25, 2012 at 8:48 AM, James McGrew <jsmcgrew@alum.mit.edu> wrote:
>
> Correction 3/16 inch.
>
> -Jim
>
> On 10/25/12, James McGrew <jsmcgrew@alum.mit.edu> wrote:
> > I set mine up 3/8 inch. At 200 hours spinner is level with the cowl.
> >
> > -Jim
> > N312JE
> >
> > On 10/25/12, Greg McFarlane <grbcmcfarlane@gmail.com> wrote:
> >> <grbcmcfarlane@gmail.com>
> >>
> >> [Rolling Eyes] Just fitting top cowl, what is the experience of flying
> >> RV10s
> >> regarding the amount the engine/mounts drop/settle after say 100 hours,
> >> typically the smaller 0320 & 0360 in sixes etc drop about quarter inch
> at
> >> the back of the spinner is this about the same for the 10 with the 0540.
> >> Cheers from Western Australia
> >>
> >>
> >>
> >>
> >> Read this topic online here:
> >>
> >> http://forums.matronics.com/viewtopic.php?p=385971#385971
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >
> > --
> > Sent from my mobile device
> >
>
> --
> Sent from my mobile device
>
>
--
Rob Kochman
RV-10 Flying since March 2011
Woodinville, WA
http://kochman.net/N819K
Message 13
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| Subject: | Re: Engine Mount Slump |
I'm thinking that the reason some have a little more drop
than others, may be that some people hang their engine and
have it sitting on there for a while during the build and
some get through the cowl fit process quicker. They must
move down pretty quickly initially, but not move very much
over time after the initial "set".
Tim
On 10/25/2012 4:28 PM, Rob Kochman wrote:
> Ours didn't drop any noticeable amount. We used the Lord mounts (the
> others weren't available), which I've heard results in less dropping,
> but you'll find plenty of people that have seen a drop with the Lords,
> so seems difficult to preduct.
>
> -Rob
>
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