ScaleBitz 1:4 Scale WWI 7-Cylinder Engine (190mm 7 1/2in)

Elevate the realism of your scale projects with ScaleBitz RC Aircraft Accessories. Distributed by J Perkins, the ScaleBitz range specializes in high-quality, lightweight 3D-printed and molded details designed to bridge the gap between a standard ARTF (Almost-Ready-to-Fly) model and a museum-quality replica. Whether you are detailing a WWI biplane or a WWII warbird, ScaleBitz provides the "finishing touches"—such as dummy radial engines and scale weaponry—that add character and "stand-off" realism without adding significant weight.

Key Product Categories:

• Dummy Radial & Rotary Engines: Highly detailed 7-cylinder and 9-cylinder dummy engines (available in 1/4, 1/5, 1/6, and 1/8 scales). These are designed to sit inside a cowl to hide modern electric motors or glow engines.
• Scale Weaponry: Authentic representations of historic machine guns, including the Vickers, Lewis, and Spandau. These kits are often 3D-printed for crisp detail and are available in multiple scales to suit your specific airframe.
• Scale Wheels: Vintage-style "Golden Age" and WWI spoke-effect wheels with super-tough hubs and shock-absorbing rubber tires, perfect for Allied or Axis aircraft from the 1910s–1930s.
• Cockpit & Pilot Details: Specialized pilot and navigator sets (such as the 1:8 scale Mosquito Crew) and instrument panel sets tailored for popular airframes like the Seagull or FMS series.
• Exhaust Stubs: Scale V12 exhaust manifolds and individual cylinder stubs that can be painted and weathered to mimic heavy metal or rusted iron.

Popular Scale Options:

Modeler's Detailing Tip:

Since many ScaleBitz parts are 3D-printed in black or grey plastic, they are ready for immediate painting. For the most realistic look on dummy engines, use a "dry-brushing" technique: paint the entire engine flat black, then lightly brush metallic silver or gunmetal over the cooling fins to make the detail "pop." For machine guns, a touch of graphite powder rubbed onto the barrel gives an authentic parkerized metal finish.