L-4 Grasshopper


The Mountain Models 1/9 Scale L-4 Grasshopper was CAD designed to be a lightweight, super easy to fly, laser-cut, scale electric parkflyer. It is the only complete electric L-4 kit on the market.

Interlocking laser-cut balsa and plywood parts make assembling the models as easy and as fast as possible.

The most complete hardware set you've ever wanted is included so the only things you have to add are covering, power system, and radio.

Designed in the thin air at 6000 feet, the cub flies beautifully and has plenty of flying power on a simple 80 watt brushless outrunner. The plane in the pictures weighs a paultry 15.5 ounces ready to fly! (Yes, that does includes everything, even a 3S1000 mAh LiPo) It is still plenty durable and the structure was not compromised to hit this weight.

This plane is what relaxing flying is all about!

  • Wingspan: 48.0 in
  • Length: 30 in
  • Wing Area: 332 sq in
  • Flying Weight: 15.0 to 17.0 oz
  • Wing Loding: 6.5 to 7.6 oz/sq ft
  • Controls: 4 (Rudder, Elevator, Ailerons (2 servos), Throttle
  • Power: Scorpion 2205-32 (2S LiPo)
  • Power: Scorpion 2205-40 (3S LiPo) 
  • Battery: 2S or 3S-1000 LiPo

Kit Contents:

  • Laser Cut balsa and plywood  
  • Full size CAD drawn plans
  • Instruction manual
  • Landing Gear Wires
  • DuBro Wheels
  • DuBro EZ Servo Connectors
  • DuBro Micro EZ Links
  • Pushrods and Housings
  • Hatch Magnets
  • Motor mounting hardware
  • Screws, Velcro, Etc.
  • All windows

Items Needed to Complete:

  • Motor (Scorpion 2205-32 or 2205-40
  • Speed Control (TH-18 or Scorpion 15A)
  • Battery (2S or 3S-1000)
  • 4+ Channel RX and TX
  • 4 ea. Hitec HS-55 Servos
  • 2 ea. 12" Servo Extensions  
  • 1 ea. Servo Y-Extension for Aileron Servos (if not using 6-7 ch. RX)
  • 1 ea. Roll SoLite Covering

Tools Needed:

  • Hobby knife and blades
  • Ruler
  • Covering Iron
  • Sandpaper
  • Thin and Thick CA
  • 5 to 15 minute epoxy
  • Soldering Iron
  • Soldering paste/flux
  • Solder

The current version of the manual is 1.0: L4 Manual - B&W (2.39 MB)

L4 Manual - Color (7.45 MB)

There are  10  items available.
Select quantity:   
We Also Recommend :

Use keywords to find the product you are looking for.
Advanced Search
Account Login
Email Address


Forgot Password?
0 items
SpookE Micro
SpookE Micro
What's New?
Sport 30A
Sport 30A
Mountain Models & Laser Arts
2935 N Lynndale Drive
Appleton, WI 54914