Sundries 23 January 2022

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Call me Artie

‘main power amps’

‘vinyl turntable’

‘speaker system’

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Boomengineering

‘Homemade hang glider made in the late 1970s’

LeMon3

‘First up a couple for Boom. – Mill & MillWiring show the mill I picked up last year. 1980 build, 110hrs on the clock – it’s like brand new.
Everything works except the relay that holds the feed motor on. The wiring diagram is in Polish and one of those horrible ones where the
thing is broken up into a whole lot of drawings where there’s no real indication of where they connect together. Then to top it all of they
wired it all up with identical green wires. The relay in question is one of the two circled in red and in my copious free time (between 3 & 4 am) I should get it sorted eventually…’

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‘The other two are for Artie. SoundCabinet shows the homemade surround sound system I put together a few years ago. SideSpeakers shows the side/rear speakers. It’s all ugly as sin but works surprisingly well. The drivers in the front left/right are by ScanSpeak out of Denmark in a cabinet that are driven by the preamp (just under the turntable) and a 100W power amp (second from the bottom). The design is a mod of one I found on the internet. The sub is a 15″ driver in a -6dB enclosure (my own design) driven by the 350W mono amp just above the 100W jobbie (repurposed NAD enclosure). The vent in the cabinet is of the labyrinth type and is over a metre long (kinda hard to fit in the space but we got there) and gets a decent response down to 24Hz. The centre and rear/side speakers use a 4″ full range driver (made from banana of all things!!!) – own design agan and are driven by the bottom amp in the stack. I’ve built the thing in stages over the last 35 years or so. As I said, it’s all as ugly as, but the sound is pretty special. It’ll be even better if I ever get around to replacing the capacitors in the power amp (they’re 35 years old now…)’

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‘One for the gardeners, this morning’s plum harvest – one tree on dwarf rootstock. Next stop, plum jam, chilli plum sauce and bottled plums. This farming lark is the hardest work I’ve ever had to do.’

desmodromic

‘On Friday went for a 70 km cross-country jaunt from Adelaide Hills to Goolwa Beach for a swim and a catch-up with friends. Stopped at the garage in Macclesfield for coffee.’

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Ermington Plumbing

This 1966 plaque is located on and commemorates the first inland and second settlement in Australia.

Behind those trees are Meriton apartments.’
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‘Nearby is the memorial to the war that kept South African Diamonds and Gold British.’

‘Just up from old government house. Not a bad place to visit.’

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‘Amazing they’ve managed to keep the developers out Parra park’

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Anyone looking to post recipes, poster shots, flora, fauna, automotive projects, gardens, 8 Irons out of the bunker etc

[email protected]

will get you there in time