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STINGER 40 TWIN

18 Reviews
  • Smooth operation — Smaller size.
  • NEW ENGINE,NEW DESIGN !
  • Angled plug with 1/4-32 plugs.
  • It’s your very good choice for small size twin cylinder engine.

$449.99

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SKU:20210411140TYFC

RCGF Stinger 40cc TWIN
Smooth operation — Smaller size
NEW ENGINE,NEW DESIGN !
New Engines, Small Size ,angled plug with 1/4-32 plugs.
It’s your very good choice for small size twin cylinder engine

 Parameter

Type2 cycle piston valve type gasoline engine for airplane
Displacement (cc)40cc(2.44 cu.in)
Bore x Stroke (mm)1.26 in(32mm) x 1.02 in (26mm)
Recommended props19×8, 19×10, 20×8 & 20×10 
Maximum Output4.6HP/8600rmp
Power supply7.4V-14V
  1. Carburetor : Walbro
  2. Ignition : Stinger DC-CDI (Computer Controlled auto advance, electronic ignition system)
  3. SPARK PLUG: M8(1/4-32)
  4. Requires: Gasoline, 2-cycle oil, ignition battery & propeller
  5. speed rang : 1500-8600rpm
  6. Gasoline-Version : Pre-mixed Fuel, 25-40 (Gasoline):1 (recommended : 32:1 for real oil, or 40:1 for synthetic oil) 
  7. Lubrication Oil : High quality fully synthetic 2 cylinder oil such as Motul 800 2T 100% synthetic racing motro oil , Red line two-stroke racing motor oil , Stihl Ultra high performance 2 cycle fully synthetic engine oil etc . 
  8. Break in Propeller : 19X8 (Standard Two leafs prop)
  9. Cooling System : Air Cooled
  10. RCGF Stinger Engine package Includes: electronic CDI ignition, muffler, spark plug, gaskets, bolts, throttle arm extension & manual.
Weight:
  1. Engine: 2.32 lb (1052g)
  2. 2XMuffler: 4.45 oz (126 g)
  3. Ignition Module: 5.1 oz (145 g)
  4. Total: Weight: 2.92 lb (1323 g)
Technical Data:
  1. Ignition Battery: 7.4V-14VNiCd or NiMH, 7.4V LiFe or 2S LiPo pack ( DO NOT use BEC, iBEC or uBEC)
  2. Gasoline/Oil Mix: (recommended : 32:1 for real oil, or 40:1 for synthetic oil) 
  3. Replacement Spark Plug: M8 1/4-32 or equivalent
  4. Idle Speed: 1500 rpm/min


Weight 7.5 kg
color

Latest reviews

4.8
Based on 18 reviews
1-5 of 18 reviews
  1. I purchased my first Stinger, a 40 twin, and installed it inside the cowl on my Goldberg Yak 54 which is 77″ wingspan and quite a pig by todays standards. At 14 lbs, this is a heavy plane compared to most. This engine pulls it with authority and sounds great! Always hand starts and I broke it in while flying. I have one DLE 20 and it runs good, but lost all compression after 12 flights. I installed a Bowman ring and the compression has come back. But why should I have to do that with any engine? I’m now a Stinger fan, and will buy my next gasser here.

    (0) (0)
  2. Super Fast Shipping and got exactly what I ordered!

    (1) (0)
  3. Top notch engines. Excellent customer service.

    (0) (0)
  4. quik shipping and fair pricing.

    (0) (0)
  5. Excellent, merci beaucoup.

    (0) (0)
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Q & A

What is default needle settings for the 40 Twin? Svenn erik asked on October 20, 2023

The 40cc Twin Stinger default needle settings are, 1.7 turns on the low needle and 1.75 turns on the high needle..

joe answered on November 10, 2023 store manager
(0) (0)
What is default settings for low&highspeed needles? Svenn erik asked on October 18, 2023
(0) (0)
What is the static thrust of the 40 twin? Dennis Clayton asked on August 20, 2023

I measured 9.0 kg static thrust with a Biela 20x8 twofold Propeller and original mufflers. A little less when adding additional silencers

Andreas answered on April 21, 2024
(0) (0)
What size gas tank do guys use for the RCGF 40cc Twin on the Ultra Stick 30cc plane? Keith P asked on June 6, 2023

30 oz

david sappington answered on July 8, 2023
(1) (0)
What is the length of the four stands that come with the twin 40cc? Raul asked on February 25, 2023

22mm

rcgf stinger us answered on February 28, 2023 store manager
(0) (0)

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  • Smooth operation — Smaller size.
  • NEW ENGINE,NEW DESIGN !
  • Angled plug with 1/4-32 plugs.
  • It’s your very good choice for small size twin cylinder engine.
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