Mar 152012

Our new freestyle aeroplane for 2012, the Hangar 9 35% Extra 300 . It offers the very best in precision & 3D aerobatics and will make a superb freestyle aeroplane.

Key Features

  • Double spar box wing construction for incredible strength
  • Mike McConville design – purposefully designed for top aerobatic flight performance
  • Carbon fiber wing tube provides very strong and lightweight construction
  • Built-in tuned pipe and canister tunnel ready to accept a variety of exhaust options
  • Flush mounted cowl with hidden screws for a clean and professional look
  • Fiberglass canopy hatch delivers a smooth painted finish
  • Ready to mount for the DA-100 or DA-120 engine – no drilling necessary, simply bolt on.
  • Top quality Hangar 9 UltraCote covering for the best finish


Hangar 9 is proud to introduce the next giant-scale gem, the Extra 300 35%. In this next generation Extra, the Extra 300 boasts a re-engineered structure, consisting of lightweight balsa and plywood with a carbon fiber wing tube and double spar wing design, for better performance and durability. Featuring a built-in tuned pipe and canister tunnel for a variety of exhaust options, and a mount to simply bolt on a DA-100 or DA-120cc engine, the Extra 300 35% is easily assembled for less time building and more time flying. Out on the field, this gem screams class, elegance and excitement with its flush-mounted cowl and hidden screws, fiberglass canopy hatch and Hangar 9 UltraCote® covering in a red, white and silver with decals for the best finish.

Product Specifications

Wingspan: 105 in (2.65m)
Overall Length: 98.0 in (2.50m)
Wing Area: 2003 sq in (129 sq dm)
Flying Weight: 27.0-30.0 lb (12.2-13.6kg)
Engine Size: 100cc-120cc gas engine
Radio: 4 channel minimum
Servos: 8 required
Trim Scheme Colors: White (U870), True Red (U866), Silver (U881)
CG (center of gravity): 3-3/4 inch back from LE at wing tip
Wing Loading: 31.1 oz/sq ft
Prop Size: 27 to 29 inch
Spinner Size: 4-1/2 inch
Recommended Battery: Receiver battery: 2500mAh x2 or higher
Flaps: No
Retracts: No
Control Throw (Ailerons): Low: 22°, 40% expo; High: 40°, 55% expo
Control Throw (Elevator): Low: 12°, 40% expo; High: 45°, 70% expo
Control Throw (Rudder): Low: 25°, 40% expo; High: 45°, 45% expo
Scale: 35%
Steering: Yes
Minimum Age Recommendation: 14 years
Experience Level: Advanced
Recommended Environment: Outdoor
Assembly Time: 20+Hours
Is Assembly Required: Yes

The Build

Inside the one of the 3 boxes. Well thoughtout and packed to ensure no damage during transit.

The contents of the above box. Each item is bagged up and foam wraped in places.

The fuselage unwrapped. The finish is top class and the canopy/hatch is well formed and lightweight.

Fuel tank per installed & plumbed. You can also see the lightweight yet robust construction.

The motorbox & firewall is very strong and pre-drilled to accept a DA100 or DA120

MTW TD75 Cans installed, the mountings were already in place, making this installation painless.

DA120 mounted with Cans in place.

You can see the block standoff’s as supplied in the kit. All side thrust is already built in to the required amount

H9 wheel axle. We have found these to be strong & hardwearing over many landings, even on rougher runways

Powerbox SparkSwitch was used on the iginition. This unit is small & neat. It is powered via a standard 2s Lipo, the signal is controlled via a spare channel on the RX. There is a bright LED which is fitted to the Outside of the model. Powering on/off with this unit has two options, the simple on/off via switch on your TX or the preferred method known as Safe Mode. This requires you to Arm/Disarm the system by moving a switch on the TX to one position and then back, that arms the igntion and the LED shows, the same process is required to Disarm the ignition, a two flick method. You won’t accidently switch your ignition of in flight.


The complete igntion system, very simply. I’d highly recommend it and will be using this system from now on.

We added a intake baffle to our cowl. This will keep the DA as cool as it can be in flight, especially during hard freestyle flights.

Baffles from inside. Light ply & a light bandage

Inside the fuselage, you can see plenty of space


Our RX is the new Spektrum/Powerbox AR12200 Cockpit. It features onboard battery usage info (Mah used, Amp draw & voltage), as well as RX performance for each of the four sats. You can also servo match to servos on 4 separate channels and if required there is a Door Sequencer for your scale projects.

RX Batteries up front, two Spektrum 2s2p 4000mah Lipos.

Powerbox MPX servo wire connections. This is more reliable than the standard JR style plug, over time these can become weak & fail

Elevator & Rudder servos, spektrum A6030 & H9 servo arms.

Flying Shots




These pics were all shot on the 1st & 2nd flights, so you can see I was very comfortable straight away. This is best 35% aeroplane I’ve ever flown, it feels as agressive as my old favourite the 33& Sukhoi and equal precision as my 40% IMAC machines. The DA120 gives true unlimted vertical and the spektrum A6030’s are perfect for this model.

I hope to get a video very soon.

Thanks to Mike McConville & Horizon Hobby UK for this superb plane.



 Posted by at 11:23 pm

  One Response to “Hangar 9 35% Extra 300”

  1. Good day it was a joy visting your site.

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