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O.S. Max 105HZ-R DRS Heli Engine +Powerboost Pipe Combo  OS18751
O.S. Max 105HZ-R DRS Heli Engine +Powerboost Pipe Combo OS18751
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USD649.99
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Solution Graphics

OS 19221 O.S. Max 140 RX Ringed Engine w/Pump
[19221]
USD499.99

O.S. Max 140RX Ringed Engine w/Pump OS 19221, Brand New in Box, Made in Japan

This is the 1.40RX engine from O.S. for F3A contest flying. It conforms to the new rules for powerplants.

The new pinnacle of power in F3A competition!
  • Huge, 23 cc displacement delivers 3.5 hp, enough to put even the largest pattern plane through its paces with ease.
  • Low-rpm operation boosts brute power, creating the opportunity to use larger props that produce less noise.
  • Reinforced beam mount withstands the stresses and vibration caused by high-g maneuvers.
  • One-piece crankcase offers greater durability, plus external webbing at high-stress locations for protection against heat-generated distortion.
  • Cooling fins extend from the black/silver heat sink head past the exhaust port, adding the cooling capacity that fully enclosed, high-performance engines need-and the dependability that competitors demand.

FEATURES:

  • Rear-mounted needle valve (attached to a bracket on the backplate)
  • 2-needle pump carb
  • Integrated fuel pump (for continuous fuel flow during aerobatics)
  • One-piece crankcase
  • Designed to get the max power at low RPM (makes the engine quieter)
  • Extra cooling fins (helps dissipate heat)
  • Ringed piston
  • Rear exhaust
  • Twin ball bearing-supported crankshaft

INCLUDES:

  • One Assembled Engine w/Carburetor Type 70A
  • One set of instructions, O.S. decal
  • One #A5 Glow Plug
  • One prop nut w/locknut and spinner mount
  • One additional needle (with less taper)
  • One Heavy duty drive washer

SPECS:

Displacement: 1.40 cu. in.
Bore: 1.26" (32mm)
Stroke: 1.13" (28.6mm)
Practical RPM Range: 1,800 - 10,000
Max Power: 3.5 BHP at 9,000 RPM
Weight: 29.3 ozs (830g)
Suggested Prop Sizes: 15X14, 16X14

Current Reviews: 1
This product was added to our catalog on Tuesday 17 July, 2007.
Reviews
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OS 19221 O.S. Max 140 RX Ringed Engine w/Pump
Response to full throttle was quite swift. Its inherent qual ..
5 of 5 Stars!
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Keimod - Kei Model is an internet mail order supplier of radio control model helicopters, airplane kits, cars, parts and related items. We carry products of Futaba, O.S. Engines, YAMADA YS Engines, Hatori, Funtech, Hirobo and Zenoah. Our mission is to bring a good deal to the global modeling community. We have selected a collection of goods which we think we could resell at the attractive prices.