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

ZOSKAY 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

22280CFA

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Sold byAmazon SenegalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚡ Dominate the track with torque and speed that leave rivals in the dust!

BUILT TO LAST - Durable metal gears with hard anodizing for superior accuracy and longevity.
PLUG PLAY READY - Standard size fits 1/8 and 1/10 scale RC cars—no assembly required.
COOL UNDER PRESSURE - CNC aluminum shell ensures rapid heat dissipation for nonstop performance.
LIGHTNING FAST PRECISION - 0.13-second response time keeps you ahead of every curve and jump.
UNMATCHED POWER DELIVERY - 25KG torque for razor-sharp control in high-stakes RC racing.

The ZOSKAY DS3218 is a high-torque digital servo designed for 1/8 and 1/10 scale RC cars, delivering up to 25kg.cm torque at 6.8V with a rapid 0.13s response time. Featuring a CNC aluminum shell for enhanced heat dissipation and metal gears with hard anodizing, it offers precision, durability, and reliable performance for serious RC enthusiasts.

Specifications

ASIN	B01MU7TQV8
Age Range Description	Kid
Best Sellers Rank	#13,000 in Toys & Games ( See Top 100 in Toys & Games ) #3 in RC Servos
Brand Name	ZOSKAY
Color	Black, Orange, Red
Customer Reviews	4.6 4.6 out of 5 stars (1,326)
Educational Objective	Game, play
Included Components	servo set
Is Assembly Required	No
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	1.0 Count

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22280CFA

Duties & taxes included

In stock

Sold byAmazon SenegalDelivered 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 Senegal.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

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Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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