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.

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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- Servo High Torque Metal Gear Standard Digital Servo 25KG/0.13S 6.8V for 1/8 1/10 RC Cars (20kg Control Angle 180)

- Servo High Torque Metal Gear Standard Digital Servo 25KG/0.13S 6.8V for 1/8 1/10 RC Cars (20kg Control Angle 180)

Product ID: 42716427

⏱️0.13s ultra-fast response

⚙️25KG max torque

🛡️CNC aluminum heat dissipation

107.78 DT

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Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚡ Dominate your RC game with precision power and speed!

BUILT TO LAST - Durable metal gears with hard anodizing for superior accuracy and longevity.
POWERHOUSE TORQUE - Delivers a commanding 25kg.cm torque for unmatched RC control.
COOL UNDER PRESSURE - CNC aluminum shell dissipates heat efficiently, extending servo life.
LIGHTNING FAST RESPONSE - 0.13-second speed ensures razor-sharp precision in every move.
PERFECT FIT FOR RC PROS - Standard size tailored for 1/8 and 1/10 scale RC cars, ready to dominate.

The ZOSKAY DS3218 is a high-torque digital servo designed for 1/8 and 1/10 scale RC cars, delivering 25kg.cm torque at 6.8V with a rapid 0.13s response time. Featuring a CNC aluminum shell for superior heat dissipation and metal gears with hard anodizing, it ensures durability, accuracy, and long service life—perfect for serious RC enthusiasts seeking top-tier performance.

Specifications

ASIN	B01MU7TQV8
Age Range Description	Kid
Best Sellers Rank	#16,317 in Toys & Games ( See Top 100 in Toys & Games ) #4 in RC Servos
Brand Name	ZOSKAY
Color	Black, Orange, Red
Customer Reviews	4.6 4.6 out of 5 stars (1,327)
Educational Objective	Game, play
Included Components	servo set
Item Dimensions	0.79 x 1.6 x 1.58 inches
Manufacturer	PRO/ay/ShenZhenShiHuanLeShu technology co., LTD,-ZOSKAY
Manufacturer Maximum Age (MONTHS)	60
Manufacturer Minimum Age (MONTHS)	12
Manufacturer Part Number	DS3218
Material Type	Full Metal Shell
Model Number	DS3218
Number of Players	1
Operation Mode	Automatic
Power Source	Battery Powered
Set Name	20kg Control Angle 180 Servo Set
Size	Large
Supported Battery Types	Battery powered
Theme	toys and games
UPC	714424116239
Unit Count	1 Count

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107.78 DT

Duties & taxes included

In stock

Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Tunisia.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Rajesh P.

Customer service was outstanding when I had questions about the product.

2 days ago

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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