SKU: 70288142069

Dualsky XM2838EG-14L, 860KV

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Description

Dualsky XM2838EG-14L, 860KVAn affordable alternative to gearbox inrunners. Here's a neat idea, an out runner with an extended shaft for use in electric sailplanes with slender fuselages. The extended motor shaft and bearing housing allow the motor to be mounted 22mm aft of the firewall. The idea is to provide enough room between the motor bell and fuselage side for the motor wires to pass by without being abraded by the spinning motor bell. The long shaft motors feature longer

 An affordable alternative to gearbox inrunners. 

Here's a neat idea, an out-runner with an extended shaft for use in electric sailplanes with slender fuselages. 

The extended motor shaft and bearing housing allow the motor to be mounted 22mm aft of the firewall. The idea is to provide enough room between the motor bell and fuselage side for the motor wires to pass by without being abraded by the spinning motor bell. 

The long shaft motors feature longer stators and lower winding counts which provide the greater torque necessary for turning larger diameter propellers. The motor extension tube contains it own large ball bearings that support the extended 4mm motor shaft. DualSky has chosen to use a locking collar instead of an e-clip to retain the motor bell and shaft. They believe that machining an e-clip groove into the motor shaft would weaken it. The locking collar can be removed if there is a need for more exposed motor shaft for the propeller collet. 

Like all of DualSky's products these motors are very well machined, have tight windings, tight magnetic tolerances and use quality components throughout.

Please see the detailed drawing above to determine whether this motor will be a good fit for your particular aircraft.

Specifications:

X-Motor Series  XM2838EG-14L
KV 860
Stator Wind 14 Turns
Stator Teeth / Mag. Poles 12 / 14
Weight  98 grams
Outer Diameter 28.8mm
Length 60.4mm
Shaft Dia. 4.0mm 
Motor Mount Hole Spacing 16 x 19 mm
Motor Idle Current @ 10V 1.0A
Winding Resistance 63mOhm
Maximum Efficiency Current 11A
Burst Current (15s) 21A
Peak Power Output (15s) 336Watts
Max Torque 280mNM
Recommended ESC 25A min
Prop Thrust Test Data  see below
Recommended Prop   (3s) 13x8 - 14x8 (4s) 11x7 - 11x8 - 12x6
Airframe Recommendation  F5J 1000-1500g Up to 3.5 meter span

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SKU: 70288142069

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4.8 ★★★★★
Based on 2155 reviews
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J
Verified Purchase
John Lim
Lexington, US
★★★★★ 5
Only Orthodoxy Will Lead to Orthopraxy and Orthopathy
Format: Kindle
This book authored by David Croteau is truly an enjoyable yet at the same time a convicting read. Even though it was written about 10 years ago, the principles of interpretation advocated by him to deal with the "mistaken and misleading legends" are timeless. Out of the 40 legends, I have encountered at least half of them in the local church, writings and even seminary especially issues pertaining to salvation, Christian living and women's adornment. The main takeaway is this: Just as there are three things that matter in property: "Location, Location, Location", similarly the three main things that matter in interpretation of the Word is: "Context, Greek, and Background Information", or even simpler: "Context, Context, Context". David Croteau has demonstrated in his 40 legends the utmost importance of context in correctly interpreting a particular passage which was unfortunately taken out of context. The interpretation can further be handled even more accurately by taking into account the Greek language and the socio-historical background behind the text. In fact, I have been focusing on these three elements in my hermeneutical approach whenever I come across passages which I need more understanding. I don't know Greek; but with the many useful online Greek tools nowadays, I can always do a word study which more or less balances my lacking of Greek knowledge. Also, the study of socio-historical background is extremely illuminating if one have access to these resources. Personally, I discover that a proper understanding of background information can eliminate most of the mistaken or misleading interpretation of a text. Lastly, I totally agree with David Croteau's conclusion: "In the end our goal should be to interpret Scripture as accurately as possible, to apply that interpretation to our own lives, and to be transformed by God’s Word so that our lives may bring glory to the One who rescued us from an eternal destiny in hell." His conclusion reminds me of a phrase which I encountered years ago: "Orthodoxy Will Lead to Orthopraxy and Orthopathy." Indeed, only by "accurately handling the word of truth" (2 Tim 2:15) can we realise the necessity of holy living and the proper response that we should have towards our living God.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 6, 2025
J
Verified Purchase
Josh Gerber
Birmingham, US
★★★★★ 5
The book is also great in pointing to additional resources for further study
Format: Paperback
Other than the Bible, I hesitate to use the term "must read" for a book. This one is definitely a "should read" for anyone who teaches, preaches, or wants to minister more faithfully. The book is engaging, and offers both a negative (doesn't mean this) and positive (means this) response to common urban legends of the NT. You'll be surprised by some beliefs you had that you didn't even realize were not correct, or should be adjusted. The book is also great in pointing to additional resources for further study. Pastors, seminarians, and lay people will all benefit from this book.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 17, 2015
D
Verified Purchase
David Pitman
Boise, US
★★★★★ 5
Rescuing the Bible from its Friends
The inerrant, infallible Word of God has endured countless intentional assaults of misrepresentation by its enemies. Unfortunately it has also had to endure the unintentional insults of misinterpretation by its friends. Dr. Croteau has given us an excellent handbook to gently correct. His specific examples are well considered and his general principles are well established. Highly recommended.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 19, 2015
T
Verified Purchase
T. Durey
Dallas, US
★★★★★ 4
Thoughtful, Encouraging, Didactic and Accessible
The title is what drew me to the book, and then the shortness of the chapters convinced me to take up this book and read it. I've read various types of theology books, but this one addresses underlying viewpoints that the average Christian assumes. While addressing these legends, the author does a wonderful job helping the reader grow in his or her biblical interpretational skills. And the author does this in a way that is both gracious and easy to understand. Even if a reader may not agree with every conclusion, I heartily recommend this book, not only for the legends it addresses, but for the opportunity to learn how to interpret the Bible.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 10, 2017
J
Verified Purchase
Jose Verdejo
Bozeman, US
★★★★★ 5
So fun and engaging way to learn the historical and the ...
Format: Paperback
So fun and engaging way to learn the historical and the context of all covered in the book. Highly recommended....
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 17, 2016

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