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Ships within 48 hours · Estimated delivery Aug 16 - Aug 21
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Description
Align T-Rex 700/800 New 102T M1 Helical Autorotation Tail Drive Gear SetProduct: Product: Product: Package: T REX 700 Tail Drive Gear Ratio With Main Rotor Speed Table: Main Blades Tail Blade RPM approx. Tail Drive Gear Front Drive Gear Drive Gear Ratio 700 106 2150 ~ 2200 RPM 102T 23T 8. 46 1 4. 43 700 106 2000 ~ 2150 RPM 104T 22T 8. 46 1 4. 73 700 106 < 2000 RPM 105T 20T 8. 46 1 5. 25 For your safety, please pay attention to the above 2200 RPM, incorrect excess 2200 RPM may result in damage to the helicopter or injury
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| T-REX 700 Tail Drive Gear Ratio With Main Rotor Speed Table: | |||||||||||||||||||||||||||||||
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| ●Use for T-REX 700X/700E/760X/800E. ●Brand new low drive gear ratio with high strength and wear resistance,effectively reduce the tail vibration during speedy rotation keeping well tail lock performance and power output to prevent unexpected structure issue. ●Gear Ratio 1:4.43 |
●102T M1 Autorotation tail drive gear set x 1 ●23T M1 Front drive gear assembly set x 1 |
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4.2 ★★★★★
Based on 23 reviews
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Product Reviews
★★★★★ 5
Mode switch pigtail a little large for firewall pass through
Harness works great, quick and easy to install, only issue I had was the mode switch pigtail was a little large to push into firewall pass through and it could use an additional 2’ to 3’ of wire on mode switch end
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Reviewed in the United States on November 2, 2022
★★★★★ 1
Poor quality switches
Main power switch didn’t work and since I didn’t get a chance to install when I ordered it, I can’t return it! Once again Amazon gets my money.
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Reviewed in the United States on November 28, 2025
★★★★★ 5
Highly recommended
This is the BEST harness for side shooters lights . I just wish the switch would light up but Awsome harness
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Reviewed in the United States on January 8, 2023
★★★★★ 5
Great Yamaha quality and features as expected.
Style: Receiver
Love it! Easy set up lots of options. Beautiful immersion sound.
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Reviewed in the United States on August 27, 2025
★★★★★ 5
Exceeded expectations
Style: Receiver
We have 2 tower speakers, 4 ceiling speakers, a center speaker, and two subwoofers and, wow, the sound is amazing. The key is the microphone which is used to set the relative volume and delay time for each speaker. Comes with media app which allows access to my audio files on my network storage device and lots of streaming apps. Kudos to Yamaha.
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Reviewed in the United States on February 1, 2026