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In-Box Review
Selector Switches
Controls for the infant science
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by: Stephen T. Lawson [ JACKFLASH ]

The term variometer also refers to a type of variable transformer or an instrument for measuring the magnitude and direction of a Magnetic field.

A variometer (also known as a rate of climb and descent Indicator (RCDI), rate-of-climb indicator, vertical speed indicator (VSI), or vertical velocity indicator (VVI)) is one of the flight instruments in an aircraft used to inform the pilot of the near instantaneous (instead of average) rate of descent or climb. It can be calibrated in knots, feet per minute (101.333 ft/min = 1 kn) or metres per second, depending on country and service assignment of aircraft.

In powered flight the pilot makes frequent use of the VSI to ascertain that level flight is being maintained, especially during turning and banking manoeuvres. Text partially from Wikipedia

Kit Contents
Recessed (inset) Cockpit Selector Switches for the WNW Gotha G.IV (fuel pumps) on A44, near Atmos Variometer part A 18 (12 item for 6 completed switches.) These were also located in various places depending on the aircraft type. One modeler has weighed in with a clarification. They are control switches for the fuel supply (see the Datafile Special 'Gotha!' p.55). They allowed the pilot to switch between the the two fuel tanks and the gravity tanks or the hand operated suction pump.

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Click here for additional images for this review.

Highs: High level of detail easy to install.
Lows: The corresponding gauges in resin are not included.
Verdict: This set will augment the WNW Variometer nicely. Well worth the price and their addition to your build will add details that many manufacturers forgot.
Percentage Rating
  Scale: 1:32
  Mfg. ID: #3203
  Suggested Retail: $5.40
  Related Link: WNW Gotha build
  PUBLISHED: Jan 04, 2013

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About Stephen T. Lawson (JackFlash)

I was building Off topic jet age kits at the age of 7. I remember building my first WWI kit way back in 1964-5 at the age of 8-9. Hundreds of 1/72 scale Revell and Airfix kits later my eyes started to change and I wanted to do more detail. With the advent of DML / Dragon and Eduard I sold off my ...

Copyright 2021 text by Stephen T. Lawson [ JACKFLASH ]. Images also by copyright holder unless otherwise noted. Opinions expressed are those of the author(s) and not necessarily those of AeroScale. All rights reserved.


Hi Stephen I think you will find that these parts have nothing to do with a 'variometer'. They are control taps for the fuel supply (see the Datafile Special 'Gotha!' p 55). They allowed the pilot to switch between the the two fuel tanks and the gravity tanks and the hand operated suction pump.
JAN 05, 2013 - 12:21 PM
That would include the in-dash switches image I showed in the review. But you are right the Atmos Variometer is the upper gauge on part A 18. In the Gotha G.IV cockpit there are 5 such pump switches and is located on the pilot's left side on A 44. If you don't mind I'll include that as a clarification.
JAN 05, 2013 - 01:34 PM

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