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Old May 06, 2013, 06:52 PM
AZ Model Aviators, EVA
bpking's Avatar
United States, AZ, Gold Canyon
Joined Jun 2010
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Need prop info for monster 110 motor

Hi guys, I have a nitro planes Cessna 84" wing, 12 lb. airplane. I have installed a monster 110 motor, 80amp HV esc, running on 2- 4 cell 4000 batteries. I would like to run a 3 blade prop on this acft. What size would be best? Thanks
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Old May 06, 2013, 08:03 PM
In charge of laundry & morale
Eplane's Avatar
United States, NY, Spencerport
Joined Sep 2003
114 Posts
I'm digging as well. The closest info I've found is an old Ebay listing that said they bench ran it on 8s with an 80a esc with a 17x10 2-blade prop.

That's where I'm going to start and use watt-meter readings to "tweak in" what prop I'll use.

http://www.ebay.com/itm/EXCEED-RC-MO...-/330575781724
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Old May 06, 2013, 08:08 PM
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United States, NY, Spencerport
Joined Sep 2003
114 Posts
These seem like good "E" 3-blades, might be a start.

http://sdshobbyusa.net/index.php?mai...oducts_id=2597
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Old May 06, 2013, 10:45 PM
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USA, FL, Lakeland
Joined Jan 2010
2,387 Posts
If it's any help I run the Eflite 110 in my TF Corsair, 9S with a 14x10x 3

I ran the specs dropping to 8S, and came up with 51 amps, 12.5 pounds of thrust and an air speed of 70 mph.
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Old May 07, 2013, 12:26 AM
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United States, CA, Calabasas
Joined Apr 2010
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The Monster Power 110 is a clone of the E-Flite Power 110, which is nice because you can spec out your setup by using any number of online power system calculators. My personal fave is eCalc, which I use via Castle Creations:
http://www.castlecreations.com/suppo...alculator.html
You can choose the E-Flite Power 110 motor, a HV80 ESC, an 8s 4000mAh batt with whatever C-rating you have, your altitude, temperature, the level of cooling in your plane, and then play around with different propeller sizes until you get the thrust/power/current draw numbers that make you happy.
Hope that helps,
Josh
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Old May 07, 2013, 09:09 AM
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Canada, ON, Owen Sound
Joined Oct 2008
2,876 Posts
Just a note on the EMP 16/8/ 3 bladed props suggested. They are excellent propellers, giving excellent value for the $$, with good flight characteristics and sturdy. Lighter than the MAS equivenlants, but just as robust imho.
I'm using the EMP line of 3 bladers on 5 aircraft at the moment. Every one of them where balanced perfectly out of the bag, I checked because I fought with MAS props (every one!!) to get them balanced at all.
In my testing of a 16/10/3 MAS, I felt the 16/8/3 EMP produced more thrust at slightly less amps. fwiw Doug B
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Old May 08, 2013, 01:37 PM
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United States, AZ, Gold Canyon
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thank you all for the help.
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