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MT propellers
Posted: Wed May 18, 2016 8:53 pm
by c170b53
A few posts have pictures of a 170 Lycoming conversion sporting or about to be utilizing an MT propeller. Which model is favoured and by what means has approval been granted?
Re: MT propellers
Posted: Thu May 19, 2016 1:29 am
by DaveF
Talk to John Nielsen at Flight Resource, the STC holder. He's an Association member and often posts here.
I chose the 210cm (82.7 inch) two-blade. There's also a shorter two-blade and a three-blade.
Re: MT propellers
Posted: Thu May 19, 2016 3:39 am
by c170b53
I revisited MT's website, initially it shows the EASA approvals, selecting FAA gets the NA STC's but it shows only an STC for a two bladed STC.
I'm want to find a prop for a 0-360 installation, one that doesn't require a dampner. Delair has a 80" but you need to add the lead. Another approval for Delair does not require the dampner but I think the prop length is 74" . I was using a 76" on my 0-320 so I wanted something of at least the same length.
Re: MT propellers
Posted: Thu May 19, 2016 4:08 am
by DaveF
Isn't the harmonic damper only for IO-360s? My O-360-A1A didn't have one with the Hartzell 74" and doesn't with the MT.
Re: MT propellers
Posted: Thu May 19, 2016 10:17 am
by Metal Master
c170b53 wrote:A few posts have pictures of a 170 Lycoming conversion sporting or about to be utilizing an MT propeller. Which model is favoured and by what means has approval been granted?
The following link shows both the three bladed and two bladed STC's available for the 170/172. and 175 aircraft.
Applicable Models:
C170(all) / 172 (_-P) / 175 (_-D)
Engine:
Lycoming (I)O-360-A1(A,C,D,F,G)
Both the 3 and two bladed propellors are coverd under the same STC
FAA STC #: SA02245CH
Aircraft TCDS #: A-799 / 3A12 / 3A17
Propeller TCDS #: P23BO
http://www.flight-resource.com/Products.aspx
Cessna 170/172/175 2-Blade Datasheet Request Free Proposal
Cessna 170/172/175 3-Blade Datasheet Request Free Proposal
Regards,
Jim