Project:Clark Trailer Mast
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30m Clark trailer mast.
Specifications
| Trailer/Mast Specifications | |
|---|---|
| Make | Clark Masts |
| Model | 63/100 Trailer Mounted Mast |
| Age | Manufactured during the 1970s |
| Extended Height | 30m (100') |
| Antenna Attachment | Standard Socket 24mm diameter
(Currently has a pole lodged in it) |
| Trailer Length | 5.9m |
| Trailer Width | 1.9m |
| Trailer Height (with mast stowed) | 1.8m |
| Trailer Wheel Size | 185/80R15 Tyres + innertubes |
| Maximum Recommended Headload | 11.4kgs (Over 20m extension)
27 kgs (Under 20m extension) |
| Maximum Safe Windspeed | 16 km/h (Unguyed)
96 km/h (Guyed with middle and top guys) |
| Picket Radius | 18m |
| Nett Weight (Mast + Trailer) | 1,088 kgs |
| Time to Extend | 10 mins |
| Time to Retract | 6 mins |
| Engine Specifications | |
| Compressor Make | Clark No. 2 Single Cylinder 3" Bore x 44mm Stroke |
| Engine Make | 2hp Briggs & Stratton 4 Stroke Single Cylinder |
Work Required
(This is in some sort of vague order)
- Strip existing paint and rust
- Rustproofing
- Replace all seals and serviceable components
- £165 + vat + delivery for a complete set of seals, O-rings, and grease. Need to provide measurements to Clark.
- Painting with a suitable exterior grade paint
- http://www.hammerite.co.uk/products/direct_to_rust_metal_paint_smooth_finish.jsp - Hackspace blue!
- The original colour was Caterpillar Yellow BS G88/0668. Might be nice to get it in original condition.
- Welding/fabricating replacement parts where required, i.e. wheelarches, reflector arms
- Service engine, pullcord needs replacing
Future projects
- Replace raising crank with electric motor?
- Electric start compressor engine?
- Replace petrol engine with electric motor?