View source for Project:Mast SCAM-12

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The London Hackspace has a 12 metre SCAM-12 dismountable mast currently living in the yard.   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)''

== Specifications ==
{| class="wikitable"
!colspan="2"|Clark SCAM-12 Mast Specifications
|-
|Make
|[http://www.clarkmasts.com/ Clark Masts]
|-
|Model
|[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
|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 ==
* [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.clarkmasts.net.au Clark Masts Historical site]
* [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. 
* [[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]]