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Mitchell Counter Clockwise Mechanical Tachometers - Repaired

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Part# 99-02314
MFR Model# D1-112-5032

Overview

Note: This unit has been repaired by the vendor.

In 1985 AC discontinued production of the popular “RT” series of mechanical tachometers. Mitchell immediately entered the market to fill the void. These tachs feature exceptional accuracy and reliability. Mitchell tachs come with a factory-direct 2 year warranty. The range on all models is 500 to 3500 RPM. Accuracy is +/- 25 RPM from 1000 to 3000 RPM. Determine the correct part number from the chart below. All Mitchell tachs are FAA approved to TSO-C49b for certified aircraft.

10-02354 for custom range marks (specify ranges, 45 day lead time).
10-02479 to set hours (specify hours, 45 day lead time).

Direction of rotation is defined as when viewing the front of the tachometer.
   
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WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.

Features

IFR P/N MITCHELL P/N STEWART WARNER NO. AC TYPE DIR. OF ROTATION AVG. CRUISE RPM

Aero Commander: A9, A9A, A9B
Aeronca: 15AC Sedan
Alon: F1, F1A, A-2, A-4 & 415C. D, E, F, G (Including Ercoupe and Forney)
Grumman/American: AA-1, AA1A, AA-5
Beech: C35, D35, E35, F35
Bellanca/Champion: 7EC, 7FC, 7GC, 7HC,7GCB, 7K, 7ECA, 7GCAA, 7GCBC, 7KCAB, 8KCAB, 260, 14-19, Viking 300, Turbo Viking
Call: A2, A3, A4, A5, A9
Cessna: 120, 140, 170, 180, 182, 185 (with IO-470 eng.) 188, 336, 337
Culver: Cadet
Lake Aircraft: C-1, C-2, L-4, LA-4SC, LA5
Mooney: Mark 20, 20A, 20D, 21, 200, 201, 202, 220
Piper: PA12, PA16, PA18, PA20, PA22, PA23, PA24, PA25 PA28, PA30, PA32, PA39
Rockwell--112, 114
Taylorcraft: 19,15A, 20, 20AG, Zephyr
Temco: (Swift; GC-1, GA-1B)
55-35-7
D1-112-5023
P-551-AZ
RT-7
Clockwise
2300
Beech: 35, A3S, B35, 35R
55-35-8
D1-112-5122
P-551-AYZ
RT-8
Clockwise
2050
Aeronca--Champion, Chief (early models) Piper--PA15, PA18, (W/TCM eng)
55-35-9
D1-112-5030
P-551-AZH
RT-9
Counter- clockwise
2300
Aeronca--Champion, Chief (late models)Champion--7AC, 11AC, 7CCM Beech--All Musket
55-35-10
D1-112-5124
P-551-AZJ
RT-10
Counter- clockwise
2050
Bonanza Models-G35 thru V35, V35TC, 36, A36, 95, B95, B95A, D95A Cessna: 150, 152, 172, 177, 185 & 188 (with IO-520 eng), 206, 207, 210, 310, 320 Helio: H250, H391, H392, H395 Navion: E, F, G Stits: SA9A, SA9B
55-35-11
D1-112-5025
P-551-TA
RT-11
Clockwise
2566
Bellanca/Champion--7AC Stinson--105,108
55-35-12
D1-112-5032
P-551-AZK
RT-12
Counter- clockwise
2566
Aero Commander (Ayres Corp.) B1A, S2B, S2C, S2D, S2R Stearman--A75 (P & W eng.)
55-35-14
D1-112-5028
P-551-AZA
RT-14
Clockwise
1800
Cessna--175
55-35-15
D1-112-5034
P-551-AZB
RT-15
Clockwise
3000
Grumman--G164
55-35-16
D1-112-5029
P-551-AZL
RT-16
Counter- clockwise
1800
Maule--M5/6/MX7-180, M5/6/7/MX7-235
55-35-17
D1-112-5024
N/A
RT-17
Clockwise
2400

*The specific tachometer listed is best suited if the installation has this approximate cruise rpm. Direction of rotation must be compatible with the previous tachometer that was used.

Specifications

  • Instrument Size: 3-1/8”
  • Dial Range: 300 -3500 RPM
  • Weight: 13 Oz.
  • Accuracy: +/- 25 RPM, 1000 – 3000 RPM
  • Depth: 3-1/2”
  • Approval: TSO C49b
  • Warranty: 2 years Factory Direct

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Please note, Aircraft Spruce ®'s personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce ® assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.