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Old Nov 10, 2013, 09:17 PM
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bicyclemonkey's Avatar
Fayetteville, AR
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Balsa USA Stingray 120 Motor Suggestions.

I recently started building this old kit and I'm going to go electric. Please give me some ideas for the motor. My first thought was an E-Flite Power 90 equivalent. I was originally thinking 6s but the electric gurus at my club suggested I go 8s to get the amp draw down. It'll have room for an 18" prop easily.

I normally buy from HeadsupRC, HobbyKing, or Hobbypartz. I refuse to pay the prices for Hacker or AXI type motors.



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Old Nov 10, 2013, 11:18 PM
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United States, ID, Shelley
Joined Dec 2011
445 Posts
Not a specific motor recommendation, but the attached documents will walk you through a good process to determine the best of everything.

Hope it is of some help.
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Old Nov 10, 2013, 11:39 PM
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Fayetteville, AR
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Thanks, those are a great resource.
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Old Nov 15, 2013, 09:01 PM
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Chattanooga, Tennessee, United States
Joined May 2003
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This is about what you need: http://www.e-fliterc.com/Products/De...odID=EFLM4110A 17x10 on 7s seems to suit the motor's specs.

There may be a Tacon equivalent. http://www.hobbypartz.com/96m607-big...FUlp7AodKXMA7g

Motor: E-Flite Power 110 Outrunner 295KV; 295rpm/V; 1.2A no-load; 0.03 Ohms.
Battery: Thunder Power TP4400 (G4 ProPower 45C) (45C); 8 cells; 4400mAh @ 3.7V; 0.002 Ohms/cell.
Speed Control: Castle Creations Phoenix 80; 0.001 Ohms; High rate.
Drive System: Direct; 17x10 (Pconst=1.17; Tconst=1) direct drive.
Airframe: Anything you want.
Motor Amps = 62.1
Motor Volts = 28.5
Input (W) = 1773.2
Prop RPM = 7543
Thrust (oz) = 248.6
PSpd (mph) = 71.4
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Last edited by Dr Kiwi; Nov 15, 2013 at 09:10 PM.
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