MODELAIR-TECH

Example Projects

Other model kits or scratch-build projects using Modelair-Tech belt drives.

Pica Spitfire
Spitfire Gears
Spitfire Flyby 		[TOP PICTURE] Dusk at Debden? Tom Hunt's reconditioned Pica 65" Spitfire. 10 lbs, 24-2000 mAh cells, H-1000 at 3.43:1, Aveox 1412-4Y. Rohm air retracts. Flat Black Monokote. Scale three blade 18x10 prop.

[MIDDLE PICTURE] Gear on the way up just after take-off ... three blade prop haze!! This is what electric scale is all about!! Scale size props, scale performace...

[BOTTOM PICTURE] Low, close flyby!! Got to get someone in the cockpit!! Didn't know they made drone Spitfires!!

(Featured in the Oct/Nov 1998 Sailplane and Electric Modeler magazine.)

Winne Mae Lockheed Vega Bill Wargo's (Connecticutt) Winne Mae Lockheed Vega. 8 ft. span. H-1500/Astro 60 at 2.31/1. 32 cells. 20" prop.
Grumman Bearcat Keith Shaw's (Michigan) 1/5.5 scale Grumman Bearcat. 15 lbs, H-1500/Astro FAI 60 at 3.07/1 on 32 cells. 22x14 prop. Outstanding vertical performance!!
Bulldod Bob Olsen's (California) scratch-built Bulldog. Astro 40/ H-1000 on 24 cells. 10 lbs.
PZL P.8/11 Bob Olsen's (California) PZL P.8/11. H-1500/Astro 90 at 2.31/1 on 36 cells and 24x12 prop. 19 lbs. 8.67 ft. span. 12-15000 rivets over burnished chrome monokote.
PA-12 Cub
Cub on the wing 		Tom Hunt's 1/4 scale PA-12 Cub. H-1200DP/DeWalt 18v motors(two) on 32 cells and 18x14 prop. 28 amps maximum draw. 10-12 Minute flights are common on 2000 mAh cells. 1550 sq. in. and 16 lbs.
Lazy Bee
Lazy Bee on the wing
More Lazy Bee on the wing 		Jim Reid's Large Lazy Bee (but small wing) on H-1000/Dewalt 14.4V motor on 21 cells. 3.6/1 ratio and a 15x8 prop. 8-10 minute flights on 1700 mAh cells. 8 lbs. take off weight.
Tiger Kitten Bill Thomas' (Minnesota) scratch built Tiger Kitten with a H-500 belt drive and M-250 on 12-1700 cells. 70 ounces.
Don's elipstik next to the prototype Don Abramson (Medford, NY) holds his Elipstik (K-111, KCOMBO-011) slow/park flyer along side the MA-T prototype. It's eery to see the two of them in the air at the same time!! Don powers his with the MA-T M-50 (9.6V) motor, on 6-500AR's and the Gunther 7x6 prop. Flying weight, 14 ounces.
Seniorita Brain Allen's (Sterling, VA) Seniorita with H-1000 / Dewalt 14.4V on 16 SR-1800 cells. 7.5 lbs. He reports that 8 minute flights are "easy".
P-38 Jim Allen's (Nevada) 108" P-38 with twin H-1000 / Dewalt 14.4V setups on 20 cells each. Retracts/Flaps. Model has flown many times unpainted and is now awaiting its first flight all dolled-up. Weight approx. 19 lbs.
Dimwatt Donald Duton's (Tucson, AZ) Dimwatt. Don reports it "leaps" off the ground at 17 1/2 oz., 6V motor, 7 cells, and 6x3 folder. He's working on a Twin Dimwatt next. Loves "stik" construction.
Midiwatt at rest
Midiwatt in flight 		Jay Putt's (Setauket, NY) scaled down Midiwatt to 400 sq. in. Astro 05 geared, 7 - 1700 mAh cells. 50 oz.
T-Falke Gudmund Thompson's (Canada) T-Falke motor-glider, H-1000 / Dewalt 18V on 24 cells. The wingspan is 164 inches and it is almost 1,800 square inches, giving a wing loading of 19 to 20 depending on the configuration. That's nearly 19 lbs.!!!
Soarwatts From L to R ... Gerhard Speilman (Northport, NY) with his Soarwatt (K-104, KCOMBO-004), Tom Hunt (owner MA-T) and Jay Putt (Setauket, NY) and hist Soarwatt (first one built after the prototype and 3 years old!!)
Stearman Kyosho Super Stearman ARF (available from Great Planes) converted to electric power by Tom Hunt (see February Issue of Model Airplane News). Powered by the H-1000 / Dewalt 14.4V (now use 18V) belt drive at 3.07/1 and 16 - 2000mAh cells, 14 x 10 APC E prop. 7-8 minute aerobatic flights are normal. 7 lb. 2 ounces RTF. 49.4" span, 717 sqin. 4 FMA S-100 servo's. Gordon Tarling MS-40 HV ESC for throttle control.

Current is in the high 20's at max power. Off the ground in 30-40 feet. Great scale aerobatics. Could easily handle more cells for exceptional performance. on 20-21 cells.

Sig CAP 231EX ARF Sig CAP 231EX ARF converted to "e" power by Tom Hunt. 74" span, 960 sqin of wing area, 12.5 lbs with 32-2400mah cells. No change was made to airframe to make electric except installation of battery and H-1500/Aveox 1817/3y motor. Swings 18 x 10 three blade prop for about 35 amps at take-off. Gets off the ground quickly and climbs out smartly. 6-7 minute aggressive flights are typical.
Kyosho Sukhoi SU-31 ARF Kyosho Sukhoi SU-31 ARF (available from Great Planes) converted to electric power by Tom Hunt. Powered by the H-1000/Aveox 1412/3y belt drive at 2.4/1 and 16 - 2000mAh cells, 14 x 10 APC E prop. 7-8 minute aerobatic flights are typical. 7 lb. 2 ounces RTF. 54" span, 561 sqin. Current is in the low 30's at max power. Off the ground in 30-40 feet. Great scale aerobatics. Could easily handle more cells for exceptional performance on 20 cells.

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