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Q: Do I have to use lock tight on the screw for the servo horn ?

It is not required but is a good idea. Use the blue colored loktite that permits the disassembly.

Q: So the advertisement says adjustable 180 degree control angle but my wiper arm is only moving 90 degrees, what is going on?

I believe the adjustment is just combining both direction limits from the neutral rest point. Im not sure of yer setup, but you may need to adjust the motion range. Im not sure how much further i can assist on this tho. It seems you have to increase the controllers motion range. It could be called on end point adjustment. That tells the controller how far to move in relation to the neutral rest point. I hope this helps lead you in the right direction.

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Description

⚡ Dominate every terrain with precision power and waterproof resilience!

WATERPROOF CONFIDENCE - IP66 rating means your servo thrives in wet, muddy, or dusty Baja adventures without missing a beat.
VERSATILE COMPATIBILITY - Perfectly engineered for Baja cars, crawlers, robots, and top-tier models like TRX 4, SCX10 II, and ARRMA Nero.
UNMATCHED TORQUE SPEED - Delivers up to 21.5 kg.cm torque with lightning-fast 0.14s/60° response for ultimate control.
SMOOTH STABLE OPERATION - Dual ball bearings and precision potentiometers guarantee whisper-quiet, jitter-free performance.
RUGGED FULL METAL GEAR DESIGN - Precision CNC aluminum shell and hard-anodized metal gears ensure durability under extreme conditions.

The ZOSKAY DS3218 is a high-performance 20KG digital servo featuring full metal gears, CNC aluminum housing, and IP66 waterproofing. With ultra-fast response times and stable, low-noise operation, it’s engineered for demanding Baja cars, crawlers, and robotic applications requiring precise 180° control.

Specifications

Product Dimensions	13.37 x 2.28 x 3.96 cm; 91 g
Manufacturer recommended age	3 years and up
Item model number	DS3218
Educational Objective(s)	play, Game
Assembly Required	No
Batteries Required?	No
Batteries Included?	No
tech_spec_battery_description_toys	No batteries required, DC power source needed
Material Type(s)	Plastic
number_of_channels	1
Color	Black
ASIN	B01MU7TQV8

Have a Question? See What Others Asked

Will this fit on a rustler chassis?

Do I have to use lock tight on the screw for the servo horn ?

Do I need to get for the arrma outcast will this one work

So the advertisement says adjustable 180 degree control angle but my wiper arm is only moving 90 degrees, what is going on?

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