CERTIFICATION
Tightwinder
Field Test Results
Project “No Dogs”
Criteria
- LC rating – 3000kg has tested higher (4000kg)
- Pre-tension – 800kg – 1000kg + (easy average tension)
- Ease of use, weight – slide on winch (no weight to lift)
- Durability – positive present wide-spread use
- Cost – being re-assessed
- Consistent tension application – relatively easy to apply a consistent tension because of 2 to 1 gearing
- Time & Speed of Loading – ‘always in place’
- Dedicated to truck? – Yes, a standard item
- OH&S manual effort risk? – very low input effort
- Manufacturer involvement – in production now
- Working height – is operated at ground level
- In transit re-tighten – done at road level
- All steel products? – not suited for angle lashing of say bore horizontal coil
The ‘geared winch’ would make a major contribution to reduce operator injury
It can be adapted to use strap or chain
30 kg Input – Tests Showed 1000 kg
600mm long handle 30kg input force
1000 kg of tension at 600 mm in length
Geared winch showing a 20 kgs handle input force set
Measuring down force at different handle lengths – Geared Winch
Field Tests Example – Logs
2000kg of tension under test – 20% +
Load weight was 9.4t
