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Aerobeez 48″ Extra 330 EPP Step-By-Step Build Walk Through

Posted by aerobeez On March - 6 - 2014

In this article we will show you a step by step build process of the Aerobeez 48″ Extra 330 EPP.  This plane is made for extreme 3D flight, yet with an EPP skin this plane is virtually maintenance free.  And setting it up is a breeze.  If you have experience with putting any ARF together. This build should take you no more than 2-3 hours to finish.

NOTE: The frame pictured in this build is of an older scheme, but all of the steps are the same on our new kit. Wing retainer hooks have been replaced by standard wing bolts and will be shown in the build.

Plane Specs:

Wingspan: 48″
Length: 48″
Wing area: 496 sq.in
Flying weight: 40oz-45oz

Here is everything you would get when you open the box.

Aerobeez 48" Extra 330 EPP Green

Our first step is to glue the motor box onto the fuselage. We used thin CA for this job. While you are at it, feel free to apply thin CA to the joints around and inside the motorbox for extra strength.

Aerobeez 48" Extra 330 EPP Green

Once the motorbox is glued on and left to dry we will move onto attaching the landing gear.

Aerobeez 48" Extra 330 EPP Green

Cut a slit along the perforation on the landing gear cover.

Aerobeez 48" Extra 330 EPP Green

Install the carbon fiber landing gear onto the fuselage.  And use the two bolts supplied with the kit to secure it.

Aerobeez 48" Extra 330 EPP Green

Use a blenderm tape to seal the gap on the gear cover.

Aerobeez 48" Extra 330 EPP Green

Now you can install the wheels and wheel pants.  Don’t forget to use the collar to keep the wheel in place on the wheel axle.

Aerobeez 48" Extra 330 EPP Green

Next, glue the landing gear brace onto the landing gear. There are two pieces on each side that comes together. You can use welders glue for this job.   Apply the glue on one side, let it sit for about 1 minute until the glue starts to harden a bit. Then lay the other half onto it and it would stick pretty well.  Use paper clip to keep them in place until completely dry.

Aerobeez 48" Extra 330 EPP Green

Aerobeez 48" Extra 330 EPP Green

WELDERS GLUE

Welders Glue

Once that’s done we can move onto building the wings. There are only two pieces you need to glue on each wing. One is the trailing edge piece on the wing root. The other is the aileron.  We would start from gluing the trailing edge piece onto the wing first.  For this job we also use welders glue.  Remember again to let it sit for about 1 minute before joining the two pieces together. This would significantly reduce the cure time and also prevent excessive movement during cure period.

Aerobeez 48" Extra 330 EPP Green

Aerobeez 48" Extra 330 EPP Green

Next we can glue the aileron onto the main wing.  The hinges are already pre-glued onto the aileron so you just need to connect both together and apply foam safe CA glue on the hinges.  The reason why we use foam safe CA here is because the core material inside the wing is EPS foam. Using non-foam safe CA glue could seep through the hinge openings and melt the EPS foam inside, weakening the wing.

Aerobeez 48" Extra 330 EPP Green

Aerobeez 48" Extra 330 EPP Green

In previous versions of this kit, we used retaining hooks, but now this frame comes with wingbolts like our larger models.

ARF-EPP-F-EX330-48-GN_D_8

Now let’s work on the stabilizer.  Cut the back piece on the stabilizer slot. Make sure it’s a clean cut because you can glue it back after installing the elevator and stabilizer.

Aerobeez 48" Extra 330 EPP Green

Make sure the distance on both sides of the stabilizer is equal and balanced.  Then apply thin CA glue along the joint to secure it.

Aerobeez 48" Extra 330 EPP Green

Now attach the elevator onto the stabilizer and apply foam safe CA glue on the hinges.

Aerobeez 48" Extra 330 EPP Green

You can glue the piece you previously cut off back before attaching the rudder.

Aerobeez 48" Extra 330 EPP Green

Now attach the rudder.

Aerobeez 48" Extra 330 EPP Green

After the rudder is secured, we can mount the tail gear. This is how the assembly would look like.

Aerobeez 48" Extra 330 EPP Green

Aerobeez 48" Extra 330 EPP Green

Glue in the control horns on all the control surfaces and mount the servos as shown.  Please note that the control horns for ailerons, elevators, and rudder come in different lengths. The two with the same lengths are for the ailerons.  The longer one is for the rudder and the shorter one is for the elevator.

Aerobeez 48" Extra 330 EPP Green

Aerobeez 48" Extra 330 EPP Green

Aerobeez 48" Extra 330 EPP Green

Rudder control link.

Aerobeez 48" Extra 330 EPP Green

Elevator control link.

Aerobeez 48" Extra 330 EPP Green

After you finish connecting all the links, you can trim out the excess length on the rod. Bear in mind that you would need to make sure the servos are at center position and the control surfaces at neutral before you cut the rods.

You would need 6″ servo extensions for the ailerons and 18″ extensions for the rudder and elevator servos.  In this build we used the extensions made by Miracle RC.

This kit is supplied with standardoffs for you in case your motor needs the extra length or clearance from the cowl.  Although there is a standoff plate that says it’s for 3542 motors, we found that it’s not enough for our Turnigy 3542 motor.  Motor size can differ quite a bit from one manufacturer to another so use the amount of standoff in order to get the job done.

Aerobeez 48" Extra 330 EPP Green

Aerobeez 48" Extra 330 EPP Green

Aerobeez 48" Extra 330 EPP Green

Aerobeez 48" Extra 330 EPP Green

Now you can install the side force generators using the supplied screws.

Aerobeez 48" Extra 330 EPP Green

Lastly, and this is optional, you can glue the carbon rods onto the trailing edge of all the control surfaces to add some extra rigidity to the surfaces, though we find that the control surfaces are strong enough without them.

Aerobeez 48" Extra 330 EPP Green

Finally, install the prop and spinner.  The build is considered complete at this point. Here is what the final product looks like. Doesn’t it look nice!

Aerobeez 48" Extra 330 EPP Green

I hope you enjoyed reading the build as much as I wrote it.  It was such an easy build and everything just fit together so beautifully. I really enjoyed the building process as much as I fly it.   Before maiden flight please make sure the servo orientation is correct and all the control surfaces are neutral and have the correct throw.  Below is our recommended settings:

Low rate:

Aileron = 15 degrees, expo 60%

Elevator = 30 degrees, expo 60%

Rudder = 45 degrees, expo 60%

High rate:

Aileron = 45 degrees, expo 60%

Elevator = 60 degrees, expo 60%

Rudder = as much as it can travel, expo 60%

CG position: 3.5″ -4″ behind leading edge at wing root.

Here is video of a flying demo during 2014 AMA Expo:

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