HobbyKing® Invictus EF-1 Pylon Racer Balsa 1288mm - Red (ARF)
The HobbyKing® Invictus was designed by renowned racer Red Jensen to be an all out racer for the NMPRA's EF-1 class and is capable of competing at the highest levels. Even in the development phase it has already broken several records. Although it is designed to be a racer, the Invictus makes a fantastic fast aerobatic sport flyer as well. The generous moments of this plane means it tracks well when carving around the pylons, or just tearing up the sky like a pattern plane.
A built-up lite ply airframe comes pre-covered in an attractive and easy to orientate color scheme. The foam core wing is fully sheeted with balsa making it stiff yet relatively light. Carbon fiber reinforced fiberglass cowl, wheel pants and canopy finish off the model nicely. Since most of the work is done for you, just drop in your choice of motor, speed controller, battery and radio equipment. Race day is just a few short evenings of work away.
Features: • Almost Ready to Fly - Just install your choice of motor and electronics • Built up balsa and lite ply construction • NMPRA EF-1 pylon racing class legal • Pre covered colorful airframe parts • Aluminum undercarriage with steerable tail wheel • Hidden cowl fasteners and magnetically secured hatch reduce drag
If you use the NTM EF-1 motor, you will need to add .375" standoffs (as mentioned below). If you use the E-Flite power .25 (1250KV) you will find that the propeller back plate is more than 1/4" forward of the cowl. It looks a bit strange with a spinner sticking out that far so I left the spinner off for better motor and ESC cooling. If you use the NTM motor you will also need to chop off the 4 mounting tabs on the motor mount to get it to fit and you need to re-drill holes in the motor mount to align with the installed blind nuts on the firewall. The E-fl9te motor does not need any mount changes and the holes on the firewall perfectly work with the E-Flite motor.
We want this plane in the US warehouse, come on HK make us happy!!!
All I can say is WOW! Shipped from Hong Kong to the US, not a scratch on it due to the careful packing using a large amount of bubble pack, and wrap. The Cowl and Pants are carbon reinforced. Paint is Excellent, and covering looks very professionally done. Instruction manual is well written and understandable. Well worth the wait. Thank you Red, Ben, and the Product Development Team! Well Done!
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RE: Anyone for EF1 ??
MAIDEN FLIGHTS , REPORT ...... INVICTUS !!!
today i flew the maiden flights ( 4) in total . the maiden flight was successful, and went quite well with no hicups and minimal trimming req . take off and landing went very well , as i heeded some advice about airspeed on take off . ( thanks Claudio) .
2nd take off was woefull , as it lifted off and nosed up then torque rolled to the left , i had to lower the nose and hope for the best , just managed to clear the trees at pemac , then flight full speed etc and inverted , the plane would fly level on 3/4 speed but lift on full speed ,and felt twitchy in the air; inverted flight seemed neutrally balanced as it flew level inverted . upon this i concluded that it was slightly tail heavy .
3rd flight changed C of G 5MM further forward, a better take off but still torque rolled to the left , plane was now a smooth flyer , i also reduced the lower dual rates from 60pcnt to 50pcnt for this flight , and it flew better as it was now balanced well and on full throttle flew level , and slightly downward when inverted , twitchyness was now gone , landing was a cinch , just throttle off and touchdown with sink rate very nice .
4th flight i fine trimmed and practiced some circuits at full throttle , plane was very smooth and controllable on quick turns , performed very well without over banking on turn in etc , take off went well
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I have previously built the LR-1A Pogo, Shoestring and Proud Bird. The Invictus is by a long shot the best ARF of the group. Quality shipping, quality fiberglass parts and quality model finish make this ARF fun to complete and fly. Only two issues. Had to add 0.375" standoffs to the motor (HK's motor) which was not addressed in the instructions. The ready to fly weight turned out to be 3 lbs 12.2 oz. A little overweight. Cost to door for ARF was $195.56 including shipping.