AT700-MDGM1-S
Slant Main Drive Gear, 112T, MOD1.0 for ALIGN T-Rex 550/600/700 Series Helicopters

  • $38.95

Overview

New improved geometry for 550 and 600 applications when used in conjunction with the latest ALIGN Slant Pinions. The new Slant Main Drive Gear is precision CNC-machined from a proprietary Nylatron MoS2-Filled Type 66 Polyamide, one of the best materials available today for polymer gears and the perfect match for an extremely strong, smooth running, and durable power transmission for the ALIGN T-Rex 700/600/550 and alternate-brand series R/C helicopters. The gear is composed of 112 teeth, utilizing the metric MOD1.0 tooth standard for incredible strength.

Compatible Pinions:

  • ALIGN Slant (Helical) Thread Pinion Gear, 10T, H55G001XX
  • ALIGN Slant (Helical) Thread Pinion Gear, 11T, H55071 or H55G002XX
  • ALIGN Slant (Helical) Thread Pinion Gear, 12T, H70062 or H70G006XX
  • ALIGN Slant (Helical) Thread Pinion Gear, 13T, H70G009XX or H70G011XX
  • ALIGN Slant (Helical) Thread Pinion Gear, 14T, HN7126 or H60G006XX
  • ALIGN Slant (Helical) Thread Pinion Gear, 16T, H55G003XX

Design Notice: Through months of testing, the gear has been optimized to include numerous design features for optimum performance. Features are highlighted in the Design Presentation (PDF).

Specifications

Material: Nylatron Proprietary Type 66 Polyamide

Models: All ALIGN T-Rex 700N series (replaces stock ALIGN part #H70020B). Main Drive Gear can also be used for all T-Rex 600 and 550 series helicopters with the addition of the T700 Universal Main Gear Case (AT550/600-UMGC or AT550/600-MGC) or stock T-Rex 600 PRO case.

Includes:

  • One (1) T-Rex 550/600/700 Series Slant Main Drive Gear, 112T, MOD1.0

Finish: Precision CNC-machined, Nylatron Proprietary MoS2-Filled Type 66 Polyamide

Weight: 48 g (design is FEA optimized for maximum strength and minimum weight)

Comparison Matrix:

Standard Acetyl (POM) Resin Gears KDE Direct Nylatron Proprietary MoS2-Filled Type 66 Polyamide Gears Design Advantages of the KDE Direct Slant Main Drive Gear, 112T, MOD1.0
Density 1.41
[g/cc]
1.15
[g/cc]
19% Less Weight
(Reduced weight to the helicopter)
Tensile Strength (Ultimate) 9,500
[psi]
12,500
[psi]
32% Stronger Tooth
(More power and torque capability)
Shear Strength 8,000
[psi]
10,500
[psi]
32% Stronger Tooth Root
(More power and torque capability)
Flexural Yield Strength 12,000
[psi]
17,000
[psi]
42% Stronger Tooth Root
(More power and torque capability)
Coefficient of Friction 0.250 0.200 20% Less Friction
(Less noise, more power transfer)
K (Wear) Factor 200E-10 90E-10 55% Less Wear
(Longer lasting gear)

Technical Media


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