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Andrew Moyes

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  1. Philip - the Great reeds will be on 6" pressure which by coincidence is about the limit for conventional lever magnets. Andrew Moyes Nicholson & Co
  2. Philip is correct, all the reeds must transfer together as they will be on a three-stop slider soundboard. This is the same as on the Great reeds at Llandaff and indeed on many of the old Harrison organs that have Great Reeds on Choir. I wouldn't say making a three-stop slider soundboard with main and slider actions is cheap organ building as it costs more than three direct action chests. This is the old debate of slider soundboards versus direct unit actions. Andrew Moyes Nicholson & Co
  3. Happy to answer that one. The Acoustic Bass (actually named Contra Bourdon on the stop knob) replaces the Quint 10.2/3ft which was derived from the Bourdon. The staff at the cathedral felt a softer quint would be more useful for psalm accompaniment etc. The new stop is derived from the 16ft Bourdon down to note 13 then is the Bourdon 16ft quinted with the softer Choir Echo Bourdon in the bottom octave. It was an electrical modification only, so the cost was minimal. The organ is now completed and will be used for the first time when the choir returns from holiday. For anyone intereste
  4. It depends entirely on who designs and makes them – you can’t generalise. Walker were certainly not alone in having problems in the pioneering days, just as the early neo-classical tracker organs here were not good. I would say those by mainstream firms who use them nowadays though will be totally dependable. Reservoirs with wind controls, schwimmers and compensators are all ‘closed loop’ control systems. They all therefore have a natural propensity to be unstable and resonate at a certain frequency. At one extreme, there are double rise reservoirs that use weights rather than springs, be
  5. We routinely remake the 1960s Walker units, which by the way are known in the trade as 'compensators'. They are a free standing version of a schwimmer. The early Walker units do have their problems and there have been a number of important design improvements over the years in the valve, linkage, diaphragm, springs and damping. The latest units are very reliable and give a good steady wind supply. There is no need to go to the expense of replacing them by bellows. Andrew Moyes Nicholson & Co
  6. Those thumb pistons and stop keys date from the time when Arthur Henry Whinfield (1862-1917) owned and ran Nicholson (1903-1915). They were a Whinfield patent. Identical pistons and stop keys can be found on the Nicholson/Whinfield organ in All Saints, Wyche, Malvern. It is a most peculiar organ with a stop list of only Gt 2, Sw 4, Ch 1, Ped 2 yet there are 12 couplers and the tubular action is fiendishly complex. There was a strong family connection between the Whinfields and Elgar. Serenade for Strings was dedicated to Arthur's father, Edward Wrey Whinfield. Andrew Moyes Nich
  7. Since Paul Derrett (‘Cynic’) was allowed back on the Mander discussion group, he has resumed his attacks on Nicholson & Co. Although Nicholson may not have been mentioned by name, they are thinly veiled so the firm can easily be identified. For example, he brought our Malvern Priory rebuild into the thread on Shrewsbury Abbey. Everything he said about the Malvern Priory organ was factually incorrect. I quote: - In fact every chest and soundboard at Malvern is the original from 1927 and has been fully restored. There is not a single new chest in the organ. The same applies
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