Competition Engine
The following are our competition engines. All is ABC piston, 2 ball bearing, rear exhaust.
(The G15F2D is an exception, with side exhaust for control line combat use.)
Some models have two types of setting. Free Fly is low timing while Speed is high timing
for the best performance with a tuned pipe. We also have some diesel version in this class.
(D15CAR is a  new products with two shaft direct drive using Oliver Tiger structure.)
The Radio control competition versions are for radio control racing use.
Please check Half A Talk, you can obtain the new 1/2 A pro version ideas.
Model
Displacment
Bore
Stroke
Output
RPM
Bearing
Price
Note
photo
cc
mm
mm
HP/rpm
range
 
USD
 
0.8
10.05
10
0.25/30k
3/33k
2
 90.00
GZ 
0.8
10.05
10
0.3/36k
3/40k
2
 90.00
GZ 
0.8
10.05
10
0.25/30k
3/32k
2
100.00
RC
1
11.2
10
0.35/30k
3/33k
2
 90.00
GZ
1
11.2
10
0.4/35k
3/40k
2
 90.00
GZ
1.5
12.5
12
0.5/30k
3/30k
2
  90.00
freefly
1.5
12.5
12
0.6/34k
3/36k
2
  90.00
speed
1.5
12.5
12
0.6/33k
3/35k
2
  100.00
Marine
1.8
13.7
12
0.6/28k
3/30k
2
  100.00
Freefly
1.8
13.7
12
0.7/35k
3/36k
2
  100.00
speed
2.5
14.7
14.6
1.4/28k
3/30k
2
140.00
freefly
2.5
15
14
1.5/37k
3/39k
2
140.00
speed
2.5
15
14
0.9/28k
3/30k
2
140.00
combat
3.5
16.5
16
1.6/32k
3/34k
2
150.00
speed
3.5
16.5
16
1.5/30k
3/32k
2
150.00
Marine
3.5
16.5
16
1.5/30k
3/32k
2
150.00
Car
10
24
22
1/14k
3/16k
2
 100.00
CL stunt
10
23
24
1.8/17k
3/18k
2
120.00
RC 
0.8
10.05
10
0.25/30k
3/38k
2
  100.00
speed
1.0
11.2
10
0.35/30k
3/36k
2
90.00
speed
D09
1.5
12.5
12
0.6/26k
3/28k
2
90.00
speed
D11
1.8
13.7
12
0.7/24k
3/26k
2
90.00
speed
2.5
14.7
14.6
1.2/28k
3/30k
2
150.00
team race
D15Car
 Oliver twin
 
 
 
 
 
150.00
D.drive Car
D21
3.5
16.5
16
1.3/24k
3/26k
2
150.00
speed
GZ:  The pro version of 049/061 with new case, head, and modified piston. 
(a):  Have artical for the model. 

Above glow engine specification is using standard fuel,
there will be extra RPM and power gain if you add in up to 50% nitro.

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