Today's Message Index:
----------------------
1. 01:16 PM - Re: Continental IO- 240 engine mount bushings (OC)
2. 02:00 PM - Re: Continental IO- 240 engine mount bushings (OC)
3. 02:10 PM - Re: Re: Continental IO- 240 engine mount bushings (M Ketteing)
Message 1
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| Subject: | Re: Continental IO- 240 engine mount bushings |
1/21/2018
Hello Bruce, Please forgive my slow response. Like granpaw used to say:
=9CIt is hell to be old and sick and poor all at the same
time.=9D And that is me, struggling to get through the last bit of
pancreatic cancer surgery and chemo fusion treatment.
You wrote: =9CI am currently where you were then on my Series 5
Kitfox and wonder if you ever found a viable solution with your hose
experiments from Mcmaster carr?=9D
The answer is yes, I am very satisfied with the hose modifications that
I came up with from McMaster Carr. What I propose to do is search back
through the KIS TR-1 compost heap on my computer and forward to you
what I think might be helpful. You can stop me at any time and ask any
questions at any time. Might even include a picture or two.
I=99ll include the KIS Matronics group in case someone else is
facing the same problem.
For those not familiar with the problem please see the attached
IMG_0259(2).jpg. This what the Continental Motors provided bushings will
sag into eventually.
OC
703-425-4670
==================
From: BRUCE LINA
Sent: Saturday, January 20, 2018 8:26 PM
Subject: Continental IO- 240 engine mount bushings
Saw your post from 2015 on the Matronics forum concerning your search
for a cheaper solution to the TCM 638225 ridiculously expensive center
bushings. I am currently where you were then on my Series 5 Kitfox and
wonder if you ever found a viable solution with your hose experiments
from Mcmaster carr? any input you can provide a fellow aviator/builder
would be appreciated. Thanks Bruce Lina N199CL
Message 2
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| Subject: | Re: Continental IO- 240 engine mount bushings |
1/21/2018
Hello Again Bruce Lina, As promised I have searched though the past
correspondence on this subject and have the following extracted
information for you:
You could make and install your own substitute 638225 bushings as I have
done described here:
I decided that the hose 86805K53 from McMaster-Carr was the most
suitable of
the four different hose samples that I had.
http://www.mcmaster.com/#catalog/121/3569/=yyg3wt
>From the two six inch long pieces that I had received I made a total of
six
substitute 6838225 bushings. I cut the hose into lengths about 1 3/4
inches
long using my chop saw (nice square ends). Then I reamed out the center
holes of the six pieces of hose in stages to an inside diameter of 1/2
inch
using my drill press to permit entry of the metal spacer part number
653695.
Then I mounted the bushing on a 1/2 inch diameter bolt about six inches
long so that I could
hold the bushing and rotate it against my disc sander to create a taper
on
each end. I finished off each tapered end by chucking the bolt in the
drill
press and holding a sanding block against the tapered end while the bolt
was
rotating.
See the attached picture of the results. Mine on the left,
Continental=99s on the right.**
My home made version has a Durometer of 75A which is harder than the
30-40
rating of the CM provided bushing.
I have flown my plane with four of my substitute bushings installed and
if
there is any increased vibration because
of the greater hardness of the substitute bushings it is undetectable.
My total cost for the two six inch pieces of 86805K53 tube, which
yielded a
total of six bushings, was
$13.44 USD plus shipping.
Please let me know how you decide to solve your engine mounting problem
an if you have any further questions. Thanks.
OC
**PS: The other attached picture is of the Baker Aircraft Factory that I
hired a contractor to build attached to my house. Sadly it appears that
my KIS TR-1 will be the only aircraft that will be built in that factory
as age has crept up on me.
========
From: BRUCE LINA
Sent: Saturday, January 20, 2018 8:26 PM
Subject: Continental IO- 240 engine mount bushings
Saw your post from 2015 on the Matronics forum concerning your search
for a cheaper solution to the TCM 638225 ridiculously expensive center
bushings. I am currently where you were then on my Series 5 Kitfox and
wonder if you ever found a viable solution with your hose experiments
from Mcmaster carr? any input you can provide a fellow aviator/builder
would be appreciated. Thanks Bruce Lina N199CL
Message 3
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| Subject: | Re: Continental IO- 240 engine mount bushings |
Have you tried rotating them at every annual (before they sag too much)?
--------------------------------------------
On Sun, 1/21/18, OC <bakerocb@cox.net> wrote:
Subject: KIS-List: Re: Continental IO- 240 engine mount bushings
To: "BRUCE LINA" <airlina@verizon.net>, "KIS-LIST MATRONICS" <kis-list@matronics.com>
Date: Sunday, January 21, 2018, 4:15 PM
1/21/2018
Hello Bruce, Please forgive my slow response. Like
granpaw used to say: It
is hell to be old and sick and poor all at the same time.
And that is me,
struggling to get through the last bit of pancreatic cancer
surgery and chemo
fusion treatment.
You wrote: I am currently where you were then on my
Series 5 Kitfox and
wonder if you ever found a viable solution with your hose
experiments from
Mcmaster carr?
The answer is yes, I am very satisfied with the hose
modifications that I
came up with from McMaster Carr. What I propose to do is
search back through
the KIS TR-1 compost heap on my computer and forward
to you what I think
might be helpful. You can stop me at any time and ask any
questions at any time.
Might even include a picture or two. Ill include
the KIS Matronics group
in case someone else is facing the same problem.
For those not familiar with the problem please see the
attached
IMG_0259(2).jpg. This what the Continental Motors provided
bushings will sag
into eventually.
OC
703-425-4670
===========================================
From:
BRUCE
LINA
Sent:
Saturday, January 20, 2018
8:26 PM
To:
bakerocb@cox.net
Subject:
Continental IO- 240 engine
mount bushings
Saw your post from 2015 on the Matronics
forum concerning
your search for a cheaper solution to the TCM 638225
ridiculously expensive
center bushings. I am currently where you were then on my
Series 5 Kitfox and
wonder if you ever found a viable solution with your hose
experiments from
Mcmaster carr? any input you can provide a fellow
aviator/builder would be
appreciated. Thanks Bruce Lina N199CL
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