roly poly Drop 01 · November
Yoyos No. 4

Thornbill

No. 4 · Small and light

Narrow, light and quick: 52.5 mm across, 39 wide and 58 grams, for fast tricks where a heavier yoyo gets in the way.

A$109In the drawer
In the drawer ⌀ 52.5 · 39.0 · 58.0 g

2 colourways, 2 places

Pick one up
  • MulgaLaterCharleville, Qld26.40° S · 146.24° Esolid · blasted
  • WattleLaterCanberra, ACT35.28° S · 149.11° Efade

The Thornbill, in section

39.0⌀ 52.5gap 4.30
Diameter
52.5 mm
Width
39.0 mm
Gap
4.3 mm at the pads
Weight
58.0 g built, with bearing and axle
Spin inertia
244 g·cm² 90% of it in the outer 30% of the radius
Material
6061-T6 bead-blasted, anodised
Bearing
Size C (R188) 6.35 × 12.7 × 4.76 mm
Response
19 mm slim pads sit 0.05 mm under the wall
Axle
M4 × 10 set screw

Thornbills weigh less than eight grams and never stay on one branch for long. This one is for tricks that change direction a lot, where a light yoyo keeps up and a heavy one argues.

Inside the Thornbill

Keep scrolling and it comes apart.

  1. Two halves · 6061-T6 · 27.6 g each
  2. Two pads · 19 mm slim
  3. Bearing · size C
  4. Axle · M4 × 10
Its printed twin

Print a Thornbill first

Same outside, same 58.0 g in solid PETG, 89% of the metal one's spin. The files go up when it drops.

  • Metal58.0 g · cup lip at 22.38 mm
  • Print58.0 g · cup lip at 14.49 mm
  • PartsSize C bearing, two 19 mm slim pads, M4 × 10 set screw

The other three

All yoyos →