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1. 08:28 AM - RV-10 MT Propeller data (LessDragProd@aol.com)
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| Subject: | RV-10 MT Propeller data |
--> RV10-List message posted by: LessDragProd@aol.com
Hi All,
MT Propeller is a certified propeller manufacturer. MT Propeller is unique
as a constant speed propeller manufacturer, since they custom design the
propeller blade for the engine, airframe and expected performance requirements.
And this custom designed blade analysis is backed by flight vibration
analysis and performance flight testing.
RV-10 MT Propeller designation - MTV-12-B/193-53
The RV-10 MTV-12 propeller is a 76" diameter 3 blade propeller.
The blades have the symitar shape typical of the MT Propeller -5x series
propellers. (The -5x number is the last digits in the MT Propeller designation.)
The normal blade design uses five airfoils from root to tip of the blade. A
CNC program is used to manufacture the blades. The computer programmed
blade shape allows a smooth transition through all five airfoils from the blade
root to the tip. (Did anyone hear about a NEW "blended airfoil" blade design
technology?)
The MTV-12 hub has recently completed testing to a 300 horsepower level,
from a 260 horsepower level, on reciprocating engines.
The propeller assembly includes the 13" diameter spinner installed at the
factory. The spinner is made of Kevlar with an Epoxy resin. Although the
spinner dome is very light, the front and rear spinner bulkheads are very stout
aluminum bulkheads.
By mounting the front of the engine cowl 1.5" in front of the propeller hub
mounting surface on the ring gear, the MT Propeller is a bolt on installation
to your RV-10.
The propeller assembly is available in five (5) basic colors: White, Red,
Black, Yellow and Gray.
Common combinations are:
White blades with Red tips and a White spinner. (Typical MT colors)
Black blades with Yellow tips and a Primer only spinner. (Old CAA required
propeller color with the spinner left to be painted to match the airframe
later.)
Gray blades with White tips with a White primer. (Gray blade with White tip
for aircraft that normally includes IFR flight.)
I have heard that the only flying Lycoming 540 RV-10 is to busy flying to
try different propellers.
The first MT Propeller delivery to a RV-10 customer is planned for mid
October.
Jim Ayers
Less Drag Products, Inc. - An MT Propeller distributor
RV-3 sn 50 N47RV LOM engine MTV-7-C/l175-112 propeller
(The -112 blade has a full airfoil from the blade root tapering to the tip.)
HR2 sn 269 Lycoming IO-540 engine MTV-9-B-C/C190-50a propeller
(The -50a blade is the more typical symitar shaped blade. The extra "C's"
indicate counterweighted blades for an aerobatic or racing application, and
requires a different configured hydraulic governor. 190 cm (75") diameter.)
The standard HR2 propeller from MT Propeller is a MTV-9-B/198-52.
non-counterweighted blades. -52 blade design. 198 cm (78" dia.) diameter
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