REFLECTOR: Ordering an MT Prop
Dave Nelson
reflector@tvbf.org
Mon, 8 Dec 2003 20:38:32 -0600
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I'm sorry to hear about your problem.
All I can say is that:
- They were always upfront with me regarding the motor problems, and the =
history of problems they were having
- They explained carefully what the defect in the original "bell" motor =
was, why/how they were fixing it, and when
- They never tried to delay, obfusticate, decieve, or deny me or my =
issues.
- I never said that they told me my problem was isolated. In fact, the =
contrary is true. =20
Sorry... count me as a careful consumer and a happy customer. It might =
be who you are talking too (although that shouldn't matter). I have had =
most of the technical discussions with Josef, who I understand to be one =
of the lead engineers. At the Oshkosh airshow, while he (Josef) was =
installing the new motor on my prop, the owner came up and introduced =
himself - and apologised for my problems. =20
The issue with the motor, as I understand it, was that it was a high =
efficency design which Josef identified as a "bell" motor. The term =
"bell" had to do with the shape of the motor and/or the permanent =
magnet, which was shaped like a bell. This enabled a much higher =
efficency (hence the smaller, lighter motor as opposed to the =
replacement). But, as it was shaped like a bell, it apperantly =
resonated. Also, I was told it didn't have bearings on both ends of the =
shaft - just bushings (not certain of this). Net is the replacement is =
a traditional style motor with bearings on both ends. =20
Part of the issue with the length of time it took to replace the bell =
motor with the new one was that they had problems finding a supplier =
willing to sell motors into the aircraft market. This coupled with the =
testing & certification process they had to go through meant that it =
took quite a bit longer to deliver the replacement than they (or I) =
would have liked. But, they've been aware and working on the problem =
for some time. =20
I net this out as follows - I had a good dialoge with them at every =
turn. They were up front with me throughout. There was never an issue =
regarding warranty. They self-identified another issue, the cosmetic =
damage to the finish, and volunteered to fix it at their expense. Was =
the prop too expensive? Yes. Am I pissed off regarding the RPM =
restrictions? Yes, but I'm damn happy they bothered to test for it =
(remember, they were under no obligation to do so). Do I feel like =
they've stood behind their product? Absolutely.
Just one man's opinion. Please - no flames!
Dave
----- Original Message -----=20
From: Chuck Jensen=20
To: 'reflector@tvbf.org'=20
Sent: Monday, December 08, 2003 10:28 AM
Subject: RE: REFLECTOR: Ordering an MT Prop
TEC
Germans and admitting problems (especially engineering problems!) =
don't go well together. When pressed, they have "done the right thing" =
on a number of occasions, but my overall experience with MT was a little =
like having a tooth drilled without Novocain. Pretty painful during the =
process but the end result is okay. =20
Regarding the feedback from MT about your problems being isolated to =
you, well, expecting MT to be an honest broker about their own =
flaws/problems is a little like believing a fat guy is going to leave =
you presents on Xmas eve. In a perfect world, yes, but in the mean =
time, Reflector helps.
Chuck Jensen=20
=20
-----Original Message-----
From: reflector-admin@tvbf.org [mailto:reflector-admin@tvbf.org]On =
Behalf Of HYTEC45@aol.com
Sent: Monday, December 08, 2003 10:00 AM
To: reflector@tvbf.org
Subject: Re: REFLECTOR: Ordering an MT Prop
In a message dated 12/7/2003 11:13:56 AM Pacific Standard Time, =
davenali@charter.net writes:
I've had two
motor problems with my electric prop. Yes, it's true, I shouldn't =
have had
ANY problems, but read on.
I have been through three motors (installed all on my time), the =
last on being the newer heavy duty one. Funny, they told me that they =
have NEVER had any others go bad. Same with my blade cracking from the =
restricted RPM range. How about RPM sencers? Been through two. Seems =
I am the only electric having problems.
TEC
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<BODY style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Arial; BACKGROUND-COLOR: =
#ffffff"=20
bgColor=3D#ffffff>
<DIV>I'm sorry to hear about your problem.</DIV>
<DIV> </DIV>
<DIV>All I can say is that:</DIV>
<DIV>- They were always upfront with me regarding the motor problems, =
and the=20
history of problems they were having</DIV>
<DIV>- They explained carefully what the defect in the original "bell" =
motor=20
was, why/how they were fixing it, and when</DIV>
<DIV>- They never tried to delay, obfusticate, decieve, or deny me or my =
issues.</DIV>
<DIV>- I never said that they told me my problem was =
isolated. In=20
fact, the contrary is true. </DIV>
<DIV> </DIV>
<DIV>Sorry... count me as a careful consumer and a happy customer. =
It=20
might be who you are talking too (although that shouldn't matter). =
I have=20
had most of the technical discussions with Josef, who I understand to be =
one of=20
the lead engineers. At the Oshkosh airshow, while he (Josef) was=20
installing the new motor on my prop, the owner came up and introduced =
himself -=20
and apologised for my problems. </DIV>
<DIV> </DIV>
<DIV>The issue with the motor, as I understand it, was that it was a =
high=20
efficency design which Josef identified as a "bell" motor. The =
term "bell"=20
had to do with the shape of the motor and/or the permanent magnet, which =
was=20
shaped like a bell. This enabled a much higher efficency (hence =
the=20
smaller, lighter motor as opposed to the replacement). But, as it =
was=20
shaped like a bell, it apperantly resonated. Also, I was told it =
didn't=20
have bearings on both ends of the shaft - just bushings (not certain of=20
this). Net is the replacement is a traditional style motor with =
bearings=20
on both ends. </DIV>
<DIV> </DIV>
<DIV>Part of the issue with the length of time it took to replace the =
bell motor=20
with the new one was that they had problems finding a supplier willing =
to sell=20
motors into the aircraft market. This coupled with the testing =
&=20
certification process they had to go through meant that it took quite a =
bit=20
longer to deliver the replacement than they (or I) would have =
liked. But,=20
they've been aware and working on the problem for some time. =
</DIV>
<DIV> </DIV>
<DIV>I net this out as follows - I had a good dialoge with them at every =
turn. They were up front with me throughout. There was never =
an=20
issue regarding warranty. They self-identified another issue, the =
cosmetic=20
damage to the finish, and volunteered to fix it at their expense. =
Was the=20
prop too expensive? Yes. Am I pissed off regarding the RPM=20
restrictions? Yes, but I'm damn happy they bothered to test for it =
(remember, they were under no obligation to do so). Do I feel like =
they've=20
stood behind their product? Absolutely.</DIV>
<DIV> </DIV>
<DIV>Just one man's opinion. Please - no flames!</DIV>
<DIV> </DIV>
<DIV>Dave</DIV>
<DIV> </DIV>
<BLOCKQUOTE dir=3Dltr=20
style=3D"PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; =
BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px">
<DIV style=3D"FONT: 10pt arial">----- Original Message ----- </DIV>
<DIV=20
style=3D"BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: =
black"><B>From:</B>=20
<A title=3Dcjensen@dts9000.com =
href=3D"mailto:cjensen@dts9000.com">Chuck=20
Jensen</A> </DIV>
<DIV style=3D"FONT: 10pt arial"><B>To:</B> <A =
title=3Dreflector@tvbf.org=20
href=3D"mailto:'reflector@tvbf.org'">'reflector@tvbf.org'</A> </DIV>
<DIV style=3D"FONT: 10pt arial"><B>Sent:</B> Monday, December 08, 2003 =
10:28=20
AM</DIV>
<DIV style=3D"FONT: 10pt arial"><B>Subject:</B> RE: REFLECTOR: =
Ordering an MT=20
Prop</DIV>
<DIV><BR></DIV>
<DIV><SPAN class=3D942562915-08122003>TEC</SPAN></DIV>
<DIV><SPAN class=3D942562915-08122003></SPAN> </DIV>
<DIV><SPAN class=3D942562915-08122003>Germans and admitting problems =
(especially=20
engineering problems!) don't go well together. When =
pressed, they=20
have "done the right thing" on a number of occasions, but my =
overall=20
experience with MT was a little like having a tooth drilled without=20
Novocain. Pretty painful during the process but the end result =
is=20
okay. </SPAN></DIV>
<DIV><SPAN class=3D942562915-08122003></SPAN> </DIV>
<DIV><SPAN class=3D942562915-08122003>Regarding the feedback from MT=20
about your problems being isolated to you, well, expecting MT to =
be an=20
honest broker about their own flaws/problems is a little like =
believing a fat=20
guy is going to leave you presents on Xmas eve. In a perfect =
world, yes,=20
but in the mean time, Reflector helps.</SPAN></DIV>
<DIV><SPAN class=3D942562915-08122003></SPAN> </DIV>
<DIV>Chuck Jensen <BR><FONT face=3DTahoma><SPAN=20
class=3D942562915-08122003><FONT =
face=3DArial> </FONT></SPAN></FONT></DIV>
<DIV><FONT face=3DTahoma><SPAN=20
class=3D942562915-08122003> </SPAN>-----Original=20
Message-----<BR><B>From:</B> reflector-admin@tvbf.org=20
[mailto:reflector-admin@tvbf.org]<B>On Behalf Of=20
</B>HYTEC45@aol.com<BR><B>Sent:</B> Monday, December 08, 2003 10:00=20
AM<BR><B>To:</B> reflector@tvbf.org<BR><B>Subject:</B> Re: REFLECTOR: =
Ordering=20
an MT Prop<BR><BR></DIV></FONT>
<BLOCKQUOTE dir=3Dltr style=3D"MARGIN-RIGHT: 0px">
<DIV>
<DIV>In a message dated 12/7/2003 11:13:56 AM Pacific Standard Time, =
davenali@charter.net writes:</DIV>
<BLOCKQUOTE=20
style=3D"PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: blue 2px =
solid"><FONT=20
face=3DArial>I've had two<BR>motor problems with my electric =
prop. =20
Yes, it's true, I shouldn't have had<BR>ANY problems, but read=20
on.</FONT></BLOCKQUOTE></DIV>
<DIV>I have been through three motors (installed all on my time), =
the last=20
on being the newer heavy duty one. Funny, they told me that =
they have=20
NEVER had any others go bad. Same with my blade cracking from =
the=20
restricted RPM range. How about RPM sencers? Been =
through=20
two. Seems I am the only electric having problems.</DIV>
<DIV> </DIV>
<DIV>TEC</DIV></BLOCKQUOTE></BLOCKQUOTE></BODY></HTML>
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