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Stratomaster Flight
Features and Functions: Dimensions: 224x64 mm. Mounting depth 65mm (including connectors and wiring). Panel cutout 204x54 mm. Weight 450 grams. Altimeter: 0-40.000 ft certified by us, traceable to British national standards. 7.5 ft static resolution, 1 ft dynamic resolution. QNH and QNE settings. User calibration function. The static resolution applies in still air with the unit stationary at sea-level. The dynamic resolution is available with the aircraft moving. This resolution has been made possible by mathematically evaluating the turbulence created around the aircraft. The unit uses a micro machined silicon diaphragm sensor and an absolute vacuum reference of highest stability and accuracy. The altimeter is doubly temperature compensated and uses true ratio-metric signal acquisition circuitry. The altimeter can operate in increments of 1 ft or 1 meter. QNH setting is shown in mb(hp) or in/Hg. Airspeed: ASI or TAS (true airspeed) selectable. Range from 16 mph to 200 mph, user calibration possible to cater for pitot tube placement. VSI: +/-9999 ft/min range, dead-band +/- 20 ft/min resolution (1 ft/min internally). The VSI is altitude compensated. VSI can be indicated in ft/min or meters/second. Rev counter: Universal rev counter. Settable for any engine, even with odd number of pulses / rev. Pickups are from Rotax ignition, magnetos, via capacitive coupling from spark-plug lead or from IR reflective sensors (for example direct from prop). Range to 9999 revs/min. Water/engine temperature: Uses Rotax sender. Calibrated against laboratory thermometer. Indicates in degrees C or degrees F. Glide slope ratio indicator: Range to 1/99. This display is shown when the instrument detects that you are gliding. Instantaneous calculation of your forward speed vs. vertical speed is provided. Uses true airspeed (TAS) for maximum accuracy. Climb ratio indicator: Range to 0 to 1/99. Shows ratio of climb to forward movement. Useful to establish best rate of climb vs. best angle of climb performance of your aircraft. Take-off length measurement: The unit includes a semi-automatic take-off length measurement mode. This establishes your aircrafts take-off length in meters to clearing the standard 50 ft obstacle. This is a very useful feature for aircraft designers but also for the owner who wants to optimize his aircraft’s performance. This feature is also used to optimize climb performance if you have an adjustable propeller. In this case the unit is used to measure the forward air distance required to gain 50 ft of altitude. Density altimeter: This secondary altimeter shows the density altitude at your current location taking pressure altitude and ambient temperature into account. This in turn can be used to calculate your aircrafts take-off run for your current local conditions. Stop watch: A stop-watch is provided that can be used as flight leg timer or competitions etc. Functions provided are start/stop and reset. Range to 99 hours, 59 minutes. Air distance made good: This is a reset-able "trip counter" based on TAS and time. The instrument can be setup to reset the Air Distance counter automatically on the start of a flight. Fuel level display: This uses a standard automotive float level sender at low cost. The instrument has a calibration procedure that recognizes the tank shape and fuel capacity. This results in direct, accurate readout of remaining fuel in liters, U.S. or Imperial gallons. (Fuel Level sender must be purchased separately) Fuel flow display: This uses a fuel flow sender (not included in basic cost). Resolution in decimals of a liter / hour. This sender can also be used to calculate fuel level if no fuel level sender has been installed. In this case it is possible to enter a current tank level in liters, US or Imp Gallons and the instrument will calculate remaining fuel. Probably the two
most useful displays, if fuel flow and fuel level is available are Ambient temperature: An accurate semiconductor sender is included in the price. Hobbs meter: The Hobbs meter counts to 9999 hours and 59 minutes. The Hobbs meter is preset-able to current engine time. Maintenance counter: This preset-able counter counts engine time down. Can be used for maintenance tasks such as spark plug replacements, MPI etc. Automatic flight detection: This starts recording of a flight. It is possible to set the instrument to record flights based on manual start/stop only. Flight time: Duration of current flight from take-off or manual start-of-flight input. Time of day: Displays current time in hours and minutes. Can be used to display UTC. Flight log: Every flight is stored in a log for later retrieval. The log contains up to 240 flights. Each flight stores date and time of take-off, duration of flight, maximum speed and altitude reached. In Instructor/Lesson mode a log entry stores a Lesson, even if made up of multiple flights. Each lesson can be stored under a student number. Voltmeter - displays current system voltage. Useful to check for charging / over charging of batteries etc. Barometer - A barometer has been included to show local atmospheric pressure in mb(hp) or in/Hg. This barometer is a precision instrument with a range of 200 mb to 1200 mb. Instructor mode - The instrument can be setup to record "lessons" rather than individual flights. Lessons are subject to a number of criteria for accumulation of time. Please view the manual for details and options. Power supply protection - the instrument contains a fast Tranzorb to prevent destruction by spikes caused by inductive loads. Further to this two independent watchdogs are used to detect software malfunction (crashes) to facilitate automatic recovery. The unit can operate for about 18 hours on a 9V PP3 battery (alkaline) if the display back-light is disconnected (there is a setting for this on the rear of the unit). The unit can operate down to about 7 V. Normally, the unit will be connected to either 12V or 24/28V aircraft supplies. It is possible to use a 9V battery as emergency backup power for the instrument. This requires the installation of a simple two-diode decoupling bridge. Details on the required wiring are included in the manual. The instrument can be setup for a wide range of options such as metric, imperial or U.S readings. In addition most operational parameters are selectable by the user. Speed and distance readings can be shown in mph, knots ,km/h and miles, nm ,km respectively. Local Area Network. The instrument supports the Air-talk communications protocol to send and receive data to/from other instruments. It is also possible to connect a PC to the instrument via a special cable. A key-ring device can be used to download the log for later upload of the log to a PC. The Air-talk link is standard with every unit, download cable and key-ring interfaces are optional. Alarms - The instrument can generate alarms based on certain triggers. These are: Fuel level low, Air speed low, Air speed too high, engine temperature and Altitude ceiling. Alarms are indicated via EXTERNAL devices. The unit provides an uncommitted relay contact which closes/opens once a second during an active alarm. This can be used to switch on or trigger a Master Caution light (idiot light) and/or buzzer.
Introductory
U.S. Dollar price Please add cost of international shipping and insurance as indicated below. Note that you may be charged taxes and duties by your customs. Please notify us if special descriptions or markings for customs purposes are required. Shipping charge costs depending on your preferred method. For USA overseas shipping we recommend insured and registered air-freight. Of course we can offer the cheaper Air Mail posting but it is not possible to have your instrument order insured, so if the customer accepts that he/she takes the risk if it is lost then we can ship Air Mail. This may take 10-15 working days and the cost is approximately $25. For those in a hurry or wishing to have their instrument insured, we can offer a courier service using UPS. For example: USA is approximately $90 insured. Our Courier services deliver to your door in approximately 3-5 working days (Subject to no customs delay). Due to credit card fraud incidences we are currently unable to provide an online order link but we are working on it. Orders can be placed with a cheque made out to MGL Avionics.
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