REFLECTOR: Ordering an MT Prop

[Jim Agnew]

Those of you with non-counterweighted engines don't feel
alone, there are certified aircraft with metal two bladed
props with this same restriction, the Grumman Tiger for one
so it is not an isolated case.

Jim
 
--- Dave Nelson <davenali@charter.net> wrote:
> I'll make one comment on this discussion.  I bought a MT
> prop for my
> non-counterweighted IO-360 before the RPM restrictions
> were known.  It was a
> great disapointment...
> 
> However, as a company, MT has been excellent to work
> with.  I've had two
> motor problems with my electric prop.  Yes, it's true, I
> shouldn't have had
> ANY problems, but read on.  The first time they
> immediately sent a
> replacement motor, no questions asked.  The second time,
> they sent a
> replacement motor so I could fly the airplane, and a new,
> upgraded motor
> system - which they installed for me at the Oshkosh
> airshow.  During that
> work, the engineer doing the install observed some minor
> cosmetic damage to
> the prop - and enabled me to get the prop refinished -
> under warranty.
> 
> This is a company that stands behind their products.  I
> believe they'll
> stand behind us in finding a solution to the RPM
> restrictions.
> 
> Dave
> ----- Original Message ----- 
> From: "Scott" <scott@tnstaafl.net>
> To: <reflector@tvbf.org>
> Sent: Thursday, December 04, 2003 10:57 AM
> Subject: Re: REFLECTOR: Ordering an MT Prop
> 
> 
> > Its interesting that there are many aluminum props made
> for the 200 HP
> > Lycomings that have no problems of this sort.
> >
> > I would think a composite prop would be even more
> resilient?
> >
> > Scott
> >
> > At 09:13 AM 12/4/2003, you wrote:
> > >In a message dated 12/3/2003 4:34:48 PM Pacific
> Standard Time,
> > >sbakr@comcast.net writes:
> > >Doug,
> > >Before I forget, if you are operating a Lycoming
> IO-360C1C or other
> > >Lycoming non-counterweighted crank shaft engine, the
> MT-Propeller(s) for
> > >this application have certain operational rpm
> restrictions that need to
> be
> > >followed.
> > >
> > >Being the one who brought this RPM restriction range
> for
> > >non-counterweighted engines "out of the closet," I
> have had first hand
> > >experience with the blade cracking, and open to
> options.  My hanger
> > >neighbor (Don) is building a Cozy 4, with a
> non-counterweighted Lyc. He
> > >had an mt ordered through Velocity.  Yes, he checked
> and Velocity was the
> > >best provider he could find.  However, when he learned
> of the restricted
> > >range, he investigated other options.  A fellow at our
> airport has a
> > >Defiant, with Hoffmans on it.  Don contacted Hoffman
> who said they could
> > >provide a propeller without a restricted range for the
> non-counterweighted
> > >engines, so he ordered one.  He said Velocity was very
> accommodating on
> > >canceling the mt order.  However, the cost is going to
> be about $2,000
> > >more than the mt from Velocity.  I don't really think
> this is the
> > >direction we want to go.
> > >
> > >Maybe Scott Baker has some info regarding pros & cons
> of the Hoffman,
> > >other than the price.
> > >
> > >TEC
> >
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=====
James F. Agnew
Jim_Agnew_2@Yahoo.Com
Tampa, FL
Velocity 173 Elite Aircraft Completed & Flying