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  #1  
Old 04-10-2018, 01:24 PM
AGORV AGORV is offline
 
Join Date: Apr 2018
Location: Roma
Posts: 8
Default 3-blade propeller MT

question I have in mind of monatre on my RV7 a 3-blade MT propeller. do you know how it works with RV7?
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  #2  
Old 04-10-2018, 01:42 PM
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Mike S Mike S is offline
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Location: Dayton Airpark, NV A34
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Default Welcome to VAF

Agostino, welcome to VAF
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Rv-10, N210LM.

Flying as of 12/4/2010

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  #3  
Old 04-10-2018, 04:23 PM
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mike newall mike newall is offline
 
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Email sent
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  #4  
Old 04-10-2018, 06:37 PM
vic syracuse vic syracuse is offline
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Location: Locust Grove, GA
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Default

I had one on my rv-7A and really liked it.

Vic
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Built RV-4, RV-6, 2-RV-10's, RV-7A, RV-8, Prescott Pusher, Kitfox Model II, Kitfox Speedster, Kitfox 7 Super Sport, Just Superstol, DAR, A&P/IA, EAA Tech Counselor/Flight Advisor, CFII-ASMEL/ASES
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  #5  
Old 04-10-2018, 07:51 PM
Jpm757 Jpm757 is offline
 
Join Date: May 2013
Location: Sherman, CT
Posts: 190
Default

I installed a new IO-360M1B and MT 3 blade from Vans on my -7, with the new 59B blades. I am VERY pleased with this combination after 100 hours. Takeoff and climb performance is outstanding, and I am dead even with my hanger partners 180/CS Hartzel RV8 in climb and cruise.The MT was incredibly smooth BEFORE I had it balanced. Weight and balance numbers came in right where I had hoped. A little pricier than the Hartzel, but prop includes a beautiful painted & installed spinner assembly. Literally bolt the prop on and you're done. Have flown in rain, soft fields and frozen lakes with no blade erosion whatsoever. Also using the MT governor supplied with Vans FWF kit, dead on at 2700 rpm/no adjustment was required. 12 week lead time on delivery from Germany and the prop is shipped to a local dealer for assembly and delivery.
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RV6 completed 1991 sold.
RV7 #72018 N767T first flight 11/21/2017 100+hrs.
IO-360M1B MT 3 blade, Dual AFS 5600.
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  #6  
Old 04-11-2018, 11:02 AM
AGORV AGORV is offline
 
Join Date: Apr 2018
Location: Roma
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Default

thanks to all and I apologize for the question a bit out of place.
sorry...
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  #7  
Old 04-12-2018, 08:07 AM
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jdeas jdeas is offline
 
Join Date: Mar 2006
Location: SoCal
Posts: 605
Default Very happy with mine

In my case I can out climb but have lower top speed than other RV7 aircraft I have flown with. This is in line with much of what I read on this forum as well.
We are taking a knot possibly two at low alt so the difference is rather small. I also just like the look of a 3 blade

If anything, the three items I would suggest you consider are:
1) I feel the 3 blade composite reduces vibration a bit over metal 2 blade
2) The light weight of the prop and modern starters shifts the CG weight back enough where you will hit aft CG limits before gross weight unless dealt with during the build.
3) It will be harder to remove the cowl for service
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CANbus based trim/flaps and electrical
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