rev. 210319 (19-03-2021)Printable bow thruster for scale model ships. Different sizes included: 30, 35, 40, 45, 50mm - each can be also downsized by few percent to match exact requirements (note that the metal parts should be also matched).

Parts for 2 versions to build: a) working propeller with bevel gears b) side blade prop

Motor mount: 1) on top 2) on side with gears (preferable and easier to build)

inner diameter / Innendurchmesser / vnitřní průměr: 50 mm (30-50 mm variants / Varianten / verze)

width max. / max. Breite / max. šířka: on request / auf Anfrage / na vyžádání

width min. / min. Breite / min. šířka: 140-84 mm

min. inner width over propeller / min. Innenbreite über Propeller / min. vnitřní šířka se šroubem: 73 mm (44-73 mm, depends on diameter / hängt vom Durchmesser ab / závisí na průměru)

propeller / Propeller / šroub 47 mm (28-47 mm, depends on diameter / hängt vom Durchmesser ab / závisí na průměru), 4 blades / 4-Blatt / 4-listý

Printing: material ABS (required!), layer 0.2mm (or 0.1mm), no support , no brim, 20% cooling from layer 4 upwards is recommended (or better required).For assembly a glues for plastic and metal are needed (for eg. Revell Contacta for ABS-ABS and UHU Plus for metal-ABS). G-Code files included for Prusa MK3S.

PDF instructions included.

Additional required parts:

Part Nr. Nbr. Name material dimensions (30; 35; 40; 45; 50 bow thruster size)

S1 1 stainless steel rod for propeller, steel, 2 x 36.6; 2 x 42.7; 3 x 48.8; 3 x 54.9; 3 x 61

S2 1 stainless steel rod for motor, steel, 3 x 63.5; 3 x 65.9; 4 x 68.3; 4 x 70.7; 4 x 73.3

B1 1 brass tube, brass, 2/3 x 6.3; 2/3 x 7.4; 3/4 x 8.4; 3/4 x 9.5; 3/4 x 10.5

B2 1 brass tube, brass, 2/3 x 10.5; 2/3 x 12.2; 3/4 x 14; 3/4 x 15.7; 3/4 x 17.5

B3 1 brass tube, brass, 3/4 x 15.9; 3/4 x 16.6; 4/5 x 17.3; 4/5 x 17.9; 4/5 x 18.6

B4 1 brass tube, brass, 3/4 x 6.7; 3/4 x 6.7; 4/5 x 6.7; 4/5 x 6.7; 4/5 x 6.7

Motor with diameter 27.5 mm (Johnson RS 365, Mabuchi RS-385, etc.)

optional elastic hose for top mounted motor only (5mm inner diameter for printed 5.4mm parts) or other coupling between motor (2.3mm) and steel rod (4(3)mm)

A full kit is also available if requested (all parts printed + all additional required parts, without motor). Please write me a message.

More details, photos and info: https://www.zonerama.com/jsyrovat/Album/7106447Video: https://www.youtube.com/watch?v=NaYzmE8fMa0