WLToys A959 High Speed RC Car Step-by-Step Upgrade #9: DiSASTER! GPS Speed Tests... and the end?

Disaster strikes! Is this the end of the series? Here is the (maybe) final video of the step-by-step upgrade video series for the WLToys A949/A959/A969/A979 (and B-versions).

Full metal drive line, metal gears and ball bearings and the first tests and measurements completed ... well, not exactly the great finale as I had hoped for. This one sure did test my patience. Watch the video and find out what went wrong ... and what went right.

The WLToys A959-B and WLToys A959 and all Upgrade Parts was kindly provided by Banggood, free for review and tests. Part numbers and links to each upgrade are available in the description box of each instructional video:    • WLToys A959 High Speed RC Car Step-by-Step...  
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Check out the A959 and A959-B and other RC Cars with these affiliate links:

WLtoys A959: https://www.banggood.com/Wltoys-A959-...

WLtoys A959-B: https://www.banggood.com/WLtoys-A959-...

RC Cars: https://www.banggood.com/search/rc-ca...

Note: I may receive a small and helpful commission that supports the channel and future videos, if you purchase something using the affiliate links.

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In this series you will learn how to upgrade an RC Car, step-by-step. You can find many more previous WLToys videos and video series with the WLToysA959, WLToysA959B, WLToysA959A and other models in the WLToys 1/18 4WD Vortex High Speed RC Car Line-up on both my channels.

Hope you will follow along in this series. Most upcoming upgrades are compatible with the WLToys A959B/A959A/A949/A969/A969B/A979/A979B and other versions in the WLToys 1/18 4WD Vortex High Speed RC Car Series.

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WLToys A959 Specifications:
Model Name: WLToys Vortex A959
Black/Red & Blue/White body options
Top Speed Specified to 45-50 kph/28-30 mph (measured to 40-42 kph)
Shaft-Driven 4WD (4x4)
Full proportional steering/throttle
Bathtub type chassis
Polycarbonate body & nose with plastic wing
1/18th scale
Length: 245 mm
Width: 175 mm
Height: 94 mm
Wheelbase: 165 mm
Wheelspan: 105 mm
Wheel diameter: 61 mm
Wheel width: 28 mm
Double Wishbone Suspension front/rear
Differential Gear front/rear
17T Pinion and 38T Spur
Plastic Diff Cups
Plastic Main Drive Shaft
Black wheels (with grey paint)
4 x Single Wheel Nuts
Metal Wheel Drive Shafts
Metal Motor- and Suspension Mounts
Oil Filled Shocks (minimum or no oil on arrival)
Electric 390 Type Brushed Motor w/ 390 mount
2-in-1 ESC/2.4 Ghz Receiver
2.4GHz 2-Channel Transmitter w/ steering and throttle trim
17 g. Mini-Servo
JST-plug Connectors (ESC + Battery)
7.4v 2S 1100 mah LiPo Battery
7.4v 800 mah output balance Li-Ion/LiPo wall charger
Run time specified to: about 10 min
Charging time specified to: about 120-150 min
Manual and plastic hex wrench included
4 x AA batteries required for transmitter (not included)

WLToys A959-B SPECIFICATIONS identical to the A959 except:
Model Names: WLToys Vortex A959-B & WLToys Brave Pro
Green/white/black body color scheme
Top Speed specified to 70 kph/43 mph (measured to 58-59 kph)
540 Type Brushed Motor w/ 540 mount
T-Plug Connectors (ESC + Battery)
27T Pinion and 42T Spur
Metal Diff Cups
Metal Main Drive Shaft
White wheels (with grey paint)
4 x Double Wheel Nuts
7.4v 2S 1500 mah LiPo Battery
Run time specified to: About 6 min
Charging time: About 120-150 min

You can find specifications of the A959-A and A959 Factory Upgraded Version in Part 1 of this series. Specifications may differ or change compared to the particular WLToys Vortex, Brave Pro and Storm CC units that I received. Please visit Banggood to see current specifications for units sold.

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#NordicRCVisions Statement:
This video features homemade footage of my own #RCcar units, the #WLToysA959, #WLToysA959B and #WLToys Upgrade Parts, send to me personally for review. All rights reserved.

All #RcCars and RC parts in this video are hobby-grade and intended for adults and ages +14 years.