The Skybrary
R Sticker
Upgrade Category: Engine Upgrades
Rumor has it that adding this sticker makes your plane a little faster...or at least it makes look faster.
Armor (mm)
Armor Class
Ammo (rounds)
Max Speed +20 kph
Stall Speed +2 kph
Acceleration +5 kph/s
Slots Required 1 Engine slot(s)
Price: 3,000Ģ
Availability: Shriebeck, Eltsina, Olio

A truly great upgrade, despite the slight boosts this upgrade remains the most effective speed boost per engine slot well into the high tier planes.

Combat Festival Candle · Increased Ammo · Mad Props · Mega Ammo · Shiny Red Light · Sleigh Bell · Super Ammo
Engine 4 Barrel Carburetor · 6 Barrel Carburetor · Boring Out · Coolant System · Efficiency Mod · High Efficiency Mod · High-Flow Air Filter · Internal Air Diversion Plates · Internal Fuel Can · Internal Fuel Tank · Larger Props · Port and Polish · R Sticker · Super Charger · Turbo Charger
Hull Additional Cargo Hold · Gutted Cargo Hold · Gutted Craft · Heavy Armor Plating · Internal Fuel Expansion · Large Internal Fuel Expansion · Light Armor Plating · Lightweight Shell · Med Armor Plating · Steel Reinforced Hull · Streamlined Hull · Wood Reinforced Hull
Wing Drop Tanks · High-Lift Wings · High-Performance Wings · Improved Wings · Large External Cargo Hold · Large External Fuel Tank · Med External Cargo Hold · Med External Fuel Tank · Small External Cargo Hold