Gasoline Engines
Aviomac, with Mac Minarelli and Gold Kart, is one of the trademark of Righetti Ridolfi Spa, an italian company, specialized in motorsport sector. Aviomac is an engine line, with high performances, suitable for 1/3 or 1/4 scale aircraft.
Thanks to the 3-d cad/cam designes, to the careful choice of raw materials used, to the realization of particularities on cnc machineries, we can really say that Aviomac engines are the most logic choice for most exigent model makers. Aviomac has a wide range of engines for all kind of demands, from 35cc mono-cylinder to the 240cc six cylinder boxer.
Now, we leave you to the images and technical description of our products, that explain better than this introduction.

We supply all spare parts for the Aviomac engines. Maintenance and repairs within USA. All engine come always with ignition sytems. Mufflers are to be ordered seperatley.

!

Aviomac 42cc by Mac Minarelli

BW-AM42
!

Product:

42cc MONO GAS

Displacement:

43cc (2,62 cu in)

Cylinder:

1

Bore:

42mm (1,653 in)

Stroke:

31mm (1,22 in)

Fuel:

Gasoline + oil mixture (4%)

Inlet system:

Piston Port

Weight without ignition:

3,55 lb (1,6 Kg)

IDM ignition Weight:

not available

FLK ignition Weight:

0,20 lb (0,09 Kg)

Performance (indic.):

7700 RPM with 18/10

Aviomac 60cc by Mac Minarelli

BW-AM60
!
 Type:  2 cycle  
 Displacement (cc):  60cc                   
 Bore:  49mm
 Stroke:  32mm

Aviomac 70cc Twin by Mac Minarelli

BW-AM70T
!

Product:

70cc TWIN GAS FLK

Displacement:

66,7cc (4,07 cu in)

Cylinder:

2

Bore:

38mm (1,496 in)

Stroke:

31mm (1,22 in)

Fuel:

Gasoline + oil mixture (4%)

Inlet system:

Reed valve into the crankcase

Weight without ignition:

5,17 lb (2,33 Kg)

IDM ignition Weight:

FLK ignition Weight:

0,44 lb (0,2 kg)

Performance (indic.):

7150 RPM with 22/10

Aviomac 85cc Twin by Mac Minarelli

BW-AM85T
!

Product:

85cc TWIN GAS FLK

Displacement:

85,8cc (5,24 cu in)

Cylinder:

2

Bore:

42mm (1,653 in)

Stroke:

31mm (1,22 in)

Fuel:

Gasoline + oil mixture (4%)

Inlet system:

Reed valve into the crankcase

Weight without ignition:

6,00 lb (2,7 Kg)

IDM ignition Weight:

FLK ignition Weight:

0,44 lb (0,2 Kg)

Performance (indic.):

6200 RPM with 22/

Aviomac 125cc Twin by Mac Minarelli

BW-AM125T
!

Product:

125cc TWIN GAS FLK

Displacement:

120,7cc (7,36 cu in)

Cylinder:

2

Bore:

49mm (1,929 in)

Stroke:

32mm (1,26 in)

Fuel:

Gasoline + oil mixture (4%)

Inlet system:

Reed valve into the crankcase

Weight without ignition:

8,53 lb (3,84 Kg)

IDM ignition Weight:

FLK ignition Weight:

0,44 lb (0,2 Kg)

Performance (indic.):

5400 RPM with 28/10

Aviomac 160cc Quad by Mac Minarelli

BW-AM160Q
!
Product: 160cc QUAD
Displacement: 148cc (9,03 cu in)
Cylinder: 4
Bore: 39mm (1,535 in)
Stroke: 31mm (1,22 in)
Fuel: Gasoline + oil mixture (4%)
Inlet system: Reed valve into the crankcase
Weight without ignition: 10,84 lb (4,88 Kg)
IDM ignition Weight: 2,00 lb (0,9 Kg)
FLK ignition Weight: not available
Performance (indic.): 6500 RPM with 28/10

Aviomac 250cc Quad by Mac Minarelli

BW-AM250Q
!

 

Product:

250cc QUAD

Displacement:

241,3cc (14,72 cu in)

Cylinder:

4

Bore:

49mm (1,929 in)

Stroke:

32mm (1,26 in)

Fuel:

Gasoline + oil mixture (4%)

Inlet system:

Reed valve into the crankcase

Weight without ignition:

15,97 lb (7,19 Kg)

IDM ignition Weight:

2,00 lb (0,9 Kg)

FLK ignition Weight:

not available

Performance (indic.):

6550 RPM with 28/12

 

Muffler for 42cc-85cc

BW-M4285
!

 

Muffler for 125cc-250cc

BW-M125250
!