Remixed Wankel Rotary Engine 13B
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About this print
A scale display model of the Wankel rotary engine, based on the 13B configuration found in the Mazda RX-7 and RX-8. The model represents the main internal components, including the rotor housing, rotor and eccentric shaft, with details drawn from the 13B-REW block. It is primarily intended as an educational or desk display piece for enthusiasts of rotary engine mechanics. PLA prints this type of detailed mechanical display model well and is widely available in suitable colours.
From the original design page
Original maker's notes
By Thinkinglink on Thingiverse · CC-BY
Based on exact size and dimensions of the previous remix, I added Added some more details and modifications to the rotor housing, rotor, and e-shaft(crank).
Housing: added an external casing based on 13B-REW block from 93-02 RX-7. Extended the spark plug holes from the origintal size so it reaches the outer edge of the outer housing. Exhaust holes on the side have different outer and inner ports.
Rotor: added round recess balls near the corners on top and bottom surface. Bulged out the outer arches to more accurately resemblance of the engine rotors while retaining the exact corner apex size and shape of the original model.
E-Shaft: extended the hex section to stack more layers of rotor housings and eccentric wheels. 13B shaft for 2 rotors, and 20B shaft for 3 rotors.
Housing Rod: Print 2x to stabilize the housings when stacked together. 13B for 2 rotors and 20B for 3 rotors.
the e-shaft(crank) and eccentric wheels are based on the latest remix by Aggressive. http://www.thingiverse.com/thing:129807
EDIT: Shortened the finger loop connector of the e-shaft(crank) so this model can still be spun while sitting on the table.
The Eccentric wheel has been re-created with the same dimensions as the previous re-mix to look more like the 13B engine with 3 circular holes. (had to alter the scale of these 3 holes from the real engine reference for stronger structural support)
Formatting may have been simplified. These are the independent maker's instructions and fitment claims; Hark Tech has not independently verified them.
Printing Remixed Wankel Rotary Engine 13B
For Remixed Wankel Rotary Engine 13B we would normally reach for PETG — it is tougher and more heat-resistant than PLA, ideal for parts that take load or live somewhere warm. We set the layer height, wall count, infill and supports to suit the model and how you will use it, and those choices are already priced into your instant quote. Want a specific colour or material? Tell us and we will match it where we can.
Model details
| Downloads at source | 31,998 |
|---|---|
| Likes at source | 2,037 |
| Original model | View on Thingiverse |
| Designer | Thinkinglink |
| Licence | CC-BY |
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