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Super scale monster helicopter

Super scale monster helicopter

The IRCHA Jamboree is the place to be if you love RC helicopters, and rotor-craft of all types and sizes were in abundance at this year’s event. One standout is this 40-pound monster, the handiwork of  Joel Rosenzweig from Marlborough, NH. His IRCHA Scale winning Erickson Air Crane S64F weighs in at 40 pounds, has a 6 blade rotor head and 4 blade tail rotor, and uses four 5S 5,000mAh battery packs which gives it a 9-minute flight time at 950 main rotor rpm. This looks more scale than the full size version! (For more IRCHA news and photos, click here!)

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Updated: August 22, 2012 — 4:24 PM


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  1. What a beautiful machine, must be s real joy to fly .

  2. hey guys, you there in USA I am looking for some help to establish blades lenght lenght and rpm for a 3 blades head on a new Thunder Tiger E720 weighing 9.7 lbs with battery specifed by designer. My payload will be 5.6 lbs.

    you have desined and built a nice big strong baby! what about other details power rpm blades lenght tyoe of flybarless.

    Jacques Huot Quebec city

  3. An excellent scale reproduction. Enjoy flying it.

  4. Here is a link to Hiroki Ito’s 3 bladed helicopter at IRCHA.


    He is using standard 600 mm blades – but 3 of them for better performance. Therefore, for the TT E720 I would try 3 – 700 blades – but the lightest ones you can find. Keep up the rotorspeed prior to liftoff, and during flight, and I would think they should work well. Let us know how you make out.

  5. where could i find one like that i like Erickson air Crane S64F our can you buy them in remote control

  6. At one time I made main rotor and tail rotor parts for these in real life. I laser cut then remachined the ribs for Erickson air crane . Now I want to find one in an RC and paint it in my company colors. Where can I find one? I retired and closed my shop. Please email me at cavalino328@yahoo.com


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