Wednesday, December 1, 2010

2 Replacement Main Rotors for Mini Infrared RC Helicopters

This is a set of 2 replacement main drive rotor blade sets for the Mini Heli Infrared Indoor Helicopter, Bell Heli IR Indoor RC Helicopter, Picco Z, Havoc Heli and clones.

Each Helicopter requires 1 set. It is a good idea to keep a spare rotor on hand to let you keep flying in case yours is damaged in a crash. If you lose the little silver weights in the top stabilizer you'll need to purchase a new rotor blade.

Main Rotor Blade Specifications:
* Rotor Diameter: 5.2" (13.2cm)
* Material: Flexible black plastic
* Features: Integrated stabilizer (top hinged portion)
This Main Rotor Blade Is Compatible With:
* Mini IR Helis & Mini Bell IR Heli,
* Spin Master Air Hogs Havoc Helis,
* Silverlit Picco Z,
* Clones like PiccoZ, PicooZ ...

Purchage: Two [2] Replacement Main Rotors for Mini Infrared RC Electric Helicopters Only $10.65, you save: $4.34 (29%)

This is the correct part if you have a PicooZ/Air Hog Havoc 2-ch helicopter.
Be sure that the rotor fits snugly, because a loose fit will not provide adequate lift to get your helicopter up and running even though the rotors seem to spin . You also have to adjust trim and make sure that the tail rotor is clean of wrapped hair or fuzz, and perfectly perpendicular to the main rotor- these are essential for proper functioning of the helicopter, and typically have to be checked/adjusted after each crash.

This replacement is definitely sturdier than the original rotor, as well as the single spare that came with the original helicopter.

The original blades are a real soft plastic so since they are no longer needed, taking an exact knife and heating the tip you can run it up the plastic shaft of the blade , being careful NOT to touch the helicopter and it splits exposing the metal shaft below. There is a "witness hole" in the shaft about 3/4 of the way up the shaft which lets you know where to stop. Heating of the tip is to prevent having to apply pressure to cut the plastic which is a safety hazard and could lead to personal injury. When using an exact knife make sure it is not one with a plastic blade retainer for obvious reasons. Any other method risks damaging the internal gears resulting in the lack of RPM to allow the havoc to fly afterward. The next task is carefully inserting the shaft into the rotor assembly which is best done inverted since pushing down gives you too much leverage and will easily bend the shaft. This set was a return and evidently someone tried to remove the rotor and damaged the second copter. I experimented with the useless wonder and found there was no way to salvage the serviceable blade without damaging it so I purchased this set.


  1. Today I saw the coolest ever flying model Spitfire about three or feet long. Very sophisticated and lots of fun. Expert operation by its owners too.

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