The story of the construction of this (hopefully record-breaking) meccano model
Tuesday, 9 December 2014
Associated Press (AP) Television - Man attempts world's largest Meccano model
"Weighing 1.3 tonnes, it took retired lecturer, Graham Shepherd five years to make his coal extractor model. Measuring 12.5 metre long by 4.9 metre high (41 by 16 foot) Bagger 288 coal extractor is a labour of love."
Thursday, 4 December 2014
Wikipedia article on Meccano: mention of Bagger 288
Wikipedia article on Meccano:
Excerpt:
......A contender for the largest model on record was built in 2014 by Graham Shepherd of Grahamstown, South Africa. The fully motorized Krupp 288 Bucket Wheel Excavator (as used on large opencast mining) is complete with auxiliary conveyors. Construction utilised Meccano parts as well as replica and strengthened parts (thickened profile plates and high tensile bolts in areas carrying large loads). Shepherd reports the model as being 1,335 kilograms (2,943 pounds) in mass and 17 ft tall. It required substantial timber support frames to facilitate final assembly..."
Excerpt:
......A contender for the largest model on record was built in 2014 by Graham Shepherd of Grahamstown, South Africa. The fully motorized Krupp 288 Bucket Wheel Excavator (as used on large opencast mining) is complete with auxiliary conveyors. Construction utilised Meccano parts as well as replica and strengthened parts (thickened profile plates and high tensile bolts in areas carrying large loads). Shepherd reports the model as being 1,335 kilograms (2,943 pounds) in mass and 17 ft tall. It required substantial timber support frames to facilitate final assembly..."
Wednesday, 12 November 2014
World's Largest Meccano model??? View it operating - You Tube clip
If you're of a certain age, Meccano
is definitely your childhood toy of choice. Well, a Meccano model builder in South Africa is attempting to break the record for the world's largest model. And by the look of things it just might be: (commentary by Tatchell Venn (Meccano Historian[pictured below])
Thursday, 11 September 2014
Miscellaneous pictures (29-35)
| Cable sling from bucket wheel arm to central unit (motor/roller of conveyor in bucket wheel arm behind |
| Upper roller rail on rotating torus, showing pair of anti-toppling wheels |
| From below (floor-level) looking up at from of conveyor belt |
| Similar to previous view |
| And another shot |
| Another thruster drive |
| Official ThyssenKrupp outfut kindly presented to me by Mr Klaus-Peter Mueller, Managing director ThyssenKrupp Materials Handling, Johannesburg at a lunch function in Johannesburg in July 2014! |
Miscellaneous pictures (21-28)
| Anchor blocks for 8mm threaded rods supporting counterbalance arm |
| Slewing motor for service crane to winding drum area |
| Winding drum over service crane |
| Lounge furniture restored in a small triangular nook of lounge! |
| View past fireplace |
| Lounge furniture again! |
| View of driver's cab from below |
| Bucket-wheel protruding into family room |
Miscellaneous pictures (13-20)
Miscellaneous pictures (1-12)
| Anchorage of a 25x3 mm strip below a support fin to prevent possible splaying of toroidal mainframe |
| 2 and 1/2 " diameter brass bush to maintain parallel planes of lower plate of main fin and bridge support of crawlers |
| Steering thruster to swing a group of 4 main crawlers on central unit (note strong cantilever for delivery arm support) |
| Another view of the anti-splay mechanism |
| Stabiliser device to help prevent bridge supports rocking (aluminium collars & M12 thread rods) |
| More stairways on central unit |
| Motor/gearbox driving a double-sided winding drum which positions final delivery cross-slider on auxiliary unit. |
| Booster motor/roller in centre of 20 foot static conveyor |
| Cable sling to offloader arm |
| 35 kg of concrete blocks at end of counterbalance arm |
| View of main winding drums from below (showing 4 drive motors) |
| Swivelling cable sling to offloader |
Subscribe to:
Posts (Atom)