May 2013 Published April 5th

10 Exclusive: T-Rex 600N DFC preview
We take a UK exclusive first look Align’s makeover of this popular mid-range model
20 Nuremberg Toy Fair 2013
The second part of our in-depth report from this year’s Nuremberg Toy Fair
28 Flybarless systems: Align 3GX
The first in a new series that examines the latest flybarless stabilisation systems and how to set them up
41 Building a scale fuselage
Ian Walker explains how he built this great looking scale fuselage from scratch for around £100
46 Grassroots 2013
We report from the 3D competition aimed at discovering and nurturing young talent
66 Letters from America
Rotorworld’s US correspondent reports from the 2012 Huntsville Helicopter Championships

04 Word of mouth
The editor discusses the latest model helicopter goings on
06 Straight up
The latest news from the world of R/C model helicopters
24 Cutting edge
All the latest and greatest new model heli products
38 Through the lens
One of our favourite shots from this month’s collection
71 Coming up
The RW events listing updated for the start of the 2013 season
71 Next issue
What to look forward to in RW issue 86 out in May 2013
72 UK buyers guide & classifieds
The best model heli shops, products and services
73 Rotorworld subscriptions
Get your favourite R/C heli mag delivered to your door

34 Kontronik Kosmik
Tim DiPeri checks out the latest brushless speed controller and Pyro motor from Germany
50 SAB Goblin 500
Becoming a firm favourite with heli pilots, the latest Goblin gets built and tested
54 Blade mCPX BL
Another new Blade heli takes to the skies, this time an enhanced and brushless mCPX
60 Scale Hirobo Super Cobra
Dave Andrews builds and flies this month’s cover star model

Price: £4.50
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