Project:Mast SCAM-12: Difference between revisions

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{{#ev:youtube|RBOgETpvSto|480|right}}
{{#ev:youtube|RBOgETpvSto|480|right}}


The London Hackspace has a 12 metre SCAM-12 dismountable mast currently living in the yard.
The London Hackspace '''had''' a 12 metre SCAM-12 dismountable mast.  It's the easier, smaller radio-centric of its bigger older sibling, the [[Project:Mast Trailer|Clark 63/100Trailer Mast]].


(this page work in progress - JJ)
''(this page work in progress - JJ)''


== Specifications ==
== Specifications ==
Line 13: Line 13:
|-
|-
|Model
|Model
|[http:?????? SCAM-12 Mast]
|[http://www.clarkmasts.com/products/military-masts/scam-mast/ SCAM-12 Mast]
[http://www.clarkmasts.com/products/general-masts/wt-series/ Modern Commercial Variant is the WT 12-8 TP]
|-
|-
|Age
|Age
|Manufactured during the 19??s
|Manufactured during the 1980s/90s
|-
|-
|Extended Height
|Extended Height
Line 22: Line 23:
|-
|-
|Antenna Attachment
|Antenna Attachment
|(unknown)
| 40mm socket
|-
|-
|Maximum Recommended Headload
|Maximum Recommended Headload
|tbc
|35 kgs
|-
|-
|Maximum Safe Windspeed
|Maximum Safe Windspeed
|tbc
| 144 km/hr if guyed
tbc
|-
|-
|Picket Radius
|Picket Radius
|tbc
|6.9 metres
|-
|-
|Time to Extend
|Time to Extend
|tbc
| 180 seconds with no headload
|-
|-
|Time to Retract
|Time to Retract
|tbc
| 75 seconds
|-
|}
 


== Work Required ==
== Work Required ==
'''Updated Sep 2015'''
'''As at Sep 2015'''


''Things to procure''
''Things to procure''
* Need proper pressure gauge (new one was wrong fitting)
* 8 x Fischer Bolts for 4 mounting legs - 12mm (14?) [also for base]
* Need pneumatic bits
* Stub for top of mast (39 inner perhaps 40, 57 outer)
* 20+ metres of feeder cable (UHF and HF feeders)
* Post-level (bubble indicator)
* LED strips and Swarovski crystals for decorations
* Pneumatic stuff:
** hoses
** hoses
** connectors
** connectors
** electric compressor
** electric compressor
* Need ladder
* Need more paint
* Need mast-turning handles (wood brittle)
* Need jack handle (missing wood)
* <strike>Buy some WD-40?</strike>
* Buy trailer electrics
* Buy a post-level (bubble indicator)
* Buy LED strips and Swarovski crystals for decorations
* Buy 30 metres of feeder cable (UHF and HF feeders)


''Things to do''
''Things to do''
* Painting the remaining blue bits
* Fit legs to mast and fit bolts to ground
* Cleaning and refitting the collars
* Balance mast for easy erection
* <strike>Lubricate the moving parts (legs, axels, screw threads, etc)</strike>
* Mount the wheel arches
* Refurbish the guy rope box
* Repair/remount the engine box hinges
* Sort through the plastic gubbins box
* Review road-worthiness (including the following but not limited to:)
** Brakes
** Wheel hubs
** Tightness of bolts
* run cable between mast top (fully erect) and shack
* run cable between mast top (fully erect) and shack




== References / External Links ==
== References / External Links ==
* [http://www.paul.sladen.org/toys/clark/scam-mast.html Paul Sladen's SCAM mast info website] - Note that the SCAM mast is a cousin of our WT8 mast in the Clark 63/100 trailer assembly.
* [http://www.paul.sladen.org/toys/clark/scam-mast.html Paul Sladen's SCAM mast info website]
* [http://www.dave.2e0ijk.talktalk.net/scam12repair.htm 2E0IJK's SCAM12 Repair Site] - Mast refurbishment notes plus a piston reassembly video
* [http://www.dave.2e0ijk.talktalk.net/scam12repair.htm 2E0IJK's SCAM12 Repair Site] - Mast refurbishment notes plus a piston reassembly video
* [http://www.clarkmasts.net.au Clark Masts Historical site]
* [http://www.clarkmasts.net.au Clark Masts Historical site]
* [http://www.clarkmasts.com Clark Masts Official Website]
* [http://www.clarkmasts.com Clark Masts Official Website]
* [https://www.youtube.com/watch?v=6HsQPmlZmHo SV2GWY's SCAM12 antenna setup] - He shows how to apply the air pressure, lock/unlock tower segments, etc.  
* [https://www.youtube.com/watch?v=6HsQPmlZmHo SV2GWY's SCAM12 antenna setup] - He shows how to apply the air pressure, lock/unlock tower segments, etc.  
* [[Media:SCAM_12_User's_Handbook.pdf|SCAM 12 Mast Users Handbook]]
* [[Media:SCAM_12_Base_Repair.pdf|SCAM 12 Mast Repair Manual]]


[[Category:Amateur Radio]]
[[Category:Amateur Radio]]

Latest revision as of 12:16, 26 May 2021

{{#ev:youtube|RBOgETpvSto|480|right}}

The London Hackspace had a 12 metre SCAM-12 dismountable mast. It's the easier, smaller radio-centric of its bigger older sibling, the Clark 63/100Trailer Mast.

(this page work in progress - JJ)

Specifications

Clark SCAM-12 Mast Specifications
Make Clark Masts
Model SCAM-12 Mast

Modern Commercial Variant is the WT 12-8 TP

Age Manufactured during the 1980s/90s
Extended Height 12m (36')
Antenna Attachment 40mm socket
Maximum Recommended Headload 35 kgs
Maximum Safe Windspeed 144 km/hr if guyed
Picket Radius 6.9 metres
Time to Extend 180 seconds with no headload
Time to Retract 75 seconds

Work Required

As at Sep 2015

Things to procure

  • 8 x Fischer Bolts for 4 mounting legs - 12mm (14?) [also for base]
  • Stub for top of mast (39 inner perhaps 40, 57 outer)
  • 20+ metres of feeder cable (UHF and HF feeders)
  • Post-level (bubble indicator)
  • LED strips and Swarovski crystals for decorations
  • Pneumatic stuff:
    • hoses
    • connectors
    • electric compressor

Things to do

  • Fit legs to mast and fit bolts to ground
  • Balance mast for easy erection
  • run cable between mast top (fully erect) and shack


References / External Links

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