Tamiya 70154 Submarine Motor with Boat Educational Model Kit  [70154]

Tamiya 70154 - Submarine Motor w/Boat
Price:
£6.87
Brand:
Tamiya
Model:
70154
Condition:
Brand New
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Project Overview for Tamiya 70154 Submarine Motor with Boat

The Tamiya 70154 Submarine Motor with Boat provides a compact, practical introduction to basic mechanical and electrical concepts. Through constructing and running the model you can observe propulsion, buoyancy and basic motor operation in a clear, tangible way.

Product Highlights and Classroom Value

The package includes a small submarine motor that attaches to the polystyrene hull via a suction cup, allowing easy fitting and testing. The hull is simple to decorate and modify, which supports practical lessons on balance, centre of gravity and design iteration.

Power Requirements and Demonstrations

The unit runs on one R6/AA/UM3 battery (not included), which highlights energy conversion from stored chemical energy to mechanical motion. It is appropriate for hobbyists, teachers and parents running a focused STEM activity.

What should I check before first run?

Verify the suction cup is clean and the motor is securely seated on the hull, insert a fresh R6/AA/UM3 battery and test in shallow water to check thrust and balance.

Are upgrades available for longer runtime?

Using higher capacity AA cells can extend runtime, but ensure voltage remains compatible. External battery packs are possible but may require secure mounting and safe wiring considerations.

How can I improve performance in tests?

Fine-tune the hull trim and motor position to reduce drag, and keep the propeller and motor area clear of debris for consistent thrust during trials.

Is the hull paint-safe after assembly?

Use water-based or acrylic paints applied in light coats and allow full curing before testing to avoid softening the polystyrene. Test a small area first if unsure.

What simple experiments can I run with the kit?

Try trials comparing painted versus unpainted hulls, altering motor position to study trim, or timing runs with different battery types to measure runtime and thrust changes.

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