Composite RC Gliders Aurora TT – Build Report – Kit Review

Last Update: 01.10.2020

[⇑ Overview] | [2. Concepts ⇒]


Kit Content

I ordered the Standard Kit priced at EUR 749.00 plus the Servo-Set Aurora TT for EUR 192.00. This is what I got:

  • wing
  • launc peg
  • fuselage, incl. canopy
  • vertical stabilizer (rudder)
  • horizontal stabilizer (elevator)
  • horizontal stabilizer mount
  • 4 servos KST X08H
  • servo frame for 4 servos
  • control horns for ailerons, rudder and elevator
  • 2 torsion springs for rudder and elevator
  • 2 metres of steel string, some crimp sleeves plus some tubing

Features & Key Figures

  • Wingspan: 1.500 mm
  • Wing area: 20,4 dm²
  • Wing Aspect Ratio: 11
  • Airfoil thickness: 5,8 %
  • Center of gravity: 68 mm
  • Flight weight: from 220 gr
  • Wing loading: 10,8 gr/dm²

Weights

wing 115g
fuselage, canopy32g
vertical stabilizer6g
horizontal stabilizer8g
small parts18g
subtotal kit179g
receiver6g
servos36g
battery22g
wiring, consumables, auxiliaries5g
expected flight weight248g

Full Carbon

The guys at Composite RC Gliders are serious about using carbon fibre meterial. Each and every part of the glider sport the notorious and warmly welcomed spread tow pattern. Even the bright green cockpit canopy turns out to be painted carbon rather than cheap deep-drawn or injected plastic as I suspected. This is perfect for saving weight and adding rigidity and longevity to the construction.

On the other hand, there is no such thing as a 2.4GHz-friendly fuselage allowing for internal antennae. A Faraday’s cage right from the textbook to be dealt with. The manufacturers proposal seems to be this (picture taken form CRG’s home page):

Holy moly! – Never am I going to spoil Aurora’s sleek lines with T-rex dinosaur claws like those!

Quality

The surfaces are simply outstanding!

Left-Hander vs. Right-Hander

You don’t order your Aurora TT specifically for right-hand or left-hand launch.

The vertical fin with the rudder is symmetric. I can be flipped upside down to serve both launch arms. Be aware that the broad rudder-fin gap and the rudder control horn go to the outside of the throw, whereas the smooth hinged side faces towards the pilot. This is important if you plan to stick with the string and spring rudder control assembly. I sometimes prefer a 0.5mm steel wire push and pull setup for more rigidity at the price of a small weight penalty. But I don’t know yet what it’s going to be this time.

left-hander vs. right-hander

The launch peg, however, is not symmetric to any axle or plane. Some rework will be required anyway to satisfy the demanding pilot, be it lefty or righty.

Building Instructions

The kit comes without any paperwork. But there is an „Assembly instructions / Manual“ link on Composite RC Gliders Aurora page providing a comprehensive photo series of an Aurora TT build. That will be sufficient. However, it did not help to clarify the issue of the right- or left-hand layout nor the one about the recommended antennae position.

Artwork

Just in case you were wondering where the name comes from: It’s the polar light or aurora borealis on the northern hemisphere, as the astronomists say in latin. Knowing this you will be able to tell what the flashing white and green patterns on the wing are depicting.

The paintwork came in a bit fiddly at first sight, but I like it. A successful attempt to bring name and appearance together.

The quality of the letterings falls a bit short of the paintwork with some blurry edges and the with colour not covering the black carbon surfaces too well. But never mind as this adds to the impression of a hand-crafted high-quality product.


[⇑ Overview] | [2. Concepts ⇒]

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