Max Dingfelder’s Maximotor B-4 In-line Engine


¬†¬†Maximotors were built by Max Dingfelder in Detroit, Michigan, around 1911 to 1913. Models included four- and six-cylinder in-line and V-8 water-cooled engines. This 52 kw (70 hp) Model B-4 Maximotor was the last of several that powered Thomas S. Baldwin’s Red Devil III aircraft. Maximotors were used on aircraft such as those built by Wright, Curtiss, Bleriot, and Farman and Antoinette.

Date: 1912Dimensions:

Length 104 .1 (41.0 in.),

Width 40.6 cm (16.0 in.),

Height 273.7 cm (9.0 in.)

Inventory Number: A19500094005


Physical Description:
Type: In-line, 4 cylinders, liquid-cooled
Power rating: 52 KW (70 hp) at 1,500 rpm
Displacement: 7.0 L (430 cu in)
Bore and Stroke: 12.7 cm (5.0 in) x 14.0 cm (5.5 in)
Weight (wet): 118 kg (260 lb) (3.71 lb/hp)
Condition: Appears complete; on stand.


About andy dingfelder

Andy has over 20 years of technology leadership experience in Software Testing / Development / Project Management and Team Leadership in multiple industry sectors, including: Telco, Healthcare, Technology and government. He is currently working as a Senior Test Consultant for Planit Software Testing. Master's Degree in Public Information Information Systems, and over 10 years of board governance experience for multiple organisations. Full bio is available at: Follow him on Twitter at Andy Dingfelder lives in the Wellington region, New Zealand with his wife and two daughters.
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