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MT Propeller
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cooker
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Joined: 29 Mar 2010
Posts: 128

PostPosted: Thu Mar 01, 2018 4:42 am    Post subject: Reply with quote

Mog wrote:
Just a point of interest, I have been made aware that MT props can be a serious pain due to leaking. Would love to have an MT, but not at the cost and hassle I have heard about recently.


Mog, can you elaborate on what you have been made aware of a bit more with Leaks? Is there multiple cases causing issues ?

We have had an MT for 5 years with no issues. Completely happy. My brother has one for aerobatics and has only needed minor service which was completed at the nearest prop shop in short order. I feel we are at the point where general service/repair on an MT can be handled by a reputable shop no different than any other prop? Major repairs i can't comment on but i wouldn't consider a leak major unless there is an underlying major issue that has not been found.

Price 5 years ago was comparable to other manufactures from what i recall.
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Mog
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Joined: 26 Nov 2010
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Location: Dallas, TX

PostPosted: Thu Mar 01, 2018 4:54 am    Post subject: Reply with quote

Apparently it’s bad enough that when you call MT about warranty they say “let me guess, your prop is leaking”. There was a service bulletin also released discussing at what point streaking on the prop makes it in airworthy. Again, this is second hand info but from a very vey reliable source.
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K.C.
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Njacko
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Joined: 19 Feb 2014
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Location: SW Scotland, UK

PostPosted: Thu Mar 01, 2018 12:16 pm    Post subject: Reply with quote

Almost 300 hours now on my MTV-15-B/203-58. Very happy with it. No problem or complaint. My home runway is mostly gravel.
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UP-M5
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Joined: 08 Nov 2006
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Location: AK

PostPosted: Thu Mar 01, 2018 4:07 pm    Post subject: Reply with quote

does anyone have any pireps of the 2 blade longer MT prop on a 235hp engine?
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M5-235
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Andy Young
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Joined: 05 Oct 2011
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Location: Alaska, Antarctica, Colorado, and Others

PostPosted: Thu Mar 01, 2018 4:15 pm    Post subject: Reply with quote

Installed one on a customer's plane (M-7-235). He reports little or no short-field performance difference from his long MacCauley. He does like the much lighter weight on the nose.
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crbnunit
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Joined: 18 Mar 2008
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Location: Alaska

PostPosted: Fri Mar 02, 2018 12:06 pm    Post subject: Reply with quote

I guess I worry about longevity in the rocks. They seem to hold up OK on the cubs though.
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UP-M5
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Joined: 08 Nov 2006
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Location: AK

PostPosted: Fri Mar 02, 2018 3:53 pm    Post subject: Reply with quote

andy,
do you recall what the weight savings was? was the removed prop a 86" mac?
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Andy Young
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Joined: 05 Oct 2011
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Location: Alaska, Antarctica, Colorado, and Others

PostPosted: Fri Mar 02, 2018 4:07 pm    Post subject: Reply with quote

UP-M5 wrote:
andy,
do you recall what the weight savings was? was the removed prop a 86" mac?


Yes, it was the 86". In fact, it's the very one that's on my plane now.

Anyway, the total weight difference from the 86" Mac to the MT, including spinner change, was 9.5 pounds.
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ajak
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Joined: 09 May 2015
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Location: Wolf Lake, AK

PostPosted: Thu Jun 28, 2018 9:22 am    Post subject: Reply with quote

Does anyone have a good point of contact for someone who has done engineering approvals for the MTV-15 two blade prop on the Maule in the past?

I'm trying to determine the suitability of a lightly-used MTV-15D I've seen for sale.

I sent a note to MT recently asking if they were considering an STC approval in the future for Maules, and was told that "There is no plan to certify the MTV-15 propeller also on the -235 models at the moment and in the near future" Sad
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AJ

1983 M-6-235
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tellicovillage



Joined: 12 Dec 2007
Posts: 83
Location: Lenoir City, TN

PostPosted: Thu Jun 28, 2018 10:17 am    Post subject: MT Reply with quote

The person to talk with is...
Larry Schlasinger
Flight Resource LLC
Executive Sales and Leasing LLC
FAA DER
612 619 5782

schlasinger@earthlink.net

His email require a verification which is a pain but otherwise I have had a very good experience with him!
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MauleEnvy



Joined: 13 Oct 2017
Posts: 35
Location: 4AK6 - Wolf Lake, AK

PostPosted: Thu Jun 28, 2018 12:31 pm    Post subject: Reply with quote

AJ,

Call Larry as posted above. He has been doing Field Approvals for the prop installs. His charge for the FA is $1500.

And if you pass on that MTV-15, let me know I’d be interested in it.....
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Mike
1985 M5-180C
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maules.com
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Joined: 29 Aug 2006
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PostPosted: Thu Jun 28, 2018 12:51 pm    Post subject: Reply with quote

What length is that MT.
For the 235hp you need at least the 83/4”. ?
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Jeremy
www.maules.com
Maule AK Worldwide
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ajak
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Joined: 09 May 2015
Posts: 115
Location: Wolf Lake, AK

PostPosted: Fri Jun 29, 2018 7:23 am    Post subject: Reply with quote

Thanks guys, I appreciate the info. I did get in touch with Larry, as suggested, and he's been very helpful.

To pass along what I've learned - the one I had my eye on was also the 83", but as I've just learned, the MTV-15-D is for a Continental engine. So now I'm keeping my eye out instead for a MTV-15-B/205-58, which is the one which fits the IO-540.
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AJ

1983 M-6-235
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