ED Baby .46 Missing Needle Vintage Model Engine Diesel Second Hand (Box 109)

Electronic Developments (E.D.) company of Surrey, England is undoubtedly one of the best-known names in British commercial model engine manufacturing history. Moreover, their practice of assigning specific names to the majority of their designs has resulted in a number of those designs achieving instant “name recognition” status among latter-day model engine aficionados.  

The E.D. Baby was a plain bearing front rotary valve (FRV) compression ignition engine featuring long-stroke internal geometry. Nominal bore and stroke were 0.3125 in. (7.93 mm) and 0.375 in. (9.52 mm) respectively for a stroke/bore ratio of 1.2 to 1 and a calculated nominal displacement of 0.470 cc (0.0287 cuin.). The cited displacement of 0.46 cc  “point four six”! The engine weighed in at a checked 1.42 ounces (40 gm) complete with tank and fuel tubing.