Our members are building a Thatcher CX-4 Experimental Aircraft as a club project.  We'd love to have you come and join in on the fun!

Specifications Length: 18'3" Wing Span: 24' Width: 23" Height: 4'8" Wing Area: 84.4sqft Empty Weight: 520lbs Gross Weight: 850lbs Useful Load: 330lbs Fuel: 9 Gallons Fuel Type: 92 Octane Auto Engine: 1700CC-2180CC VW Electrical System: Starter, Alternator Brakes: Hydraulic Disc/Toe Brakes Construction: All metal 6061-T6 Design Load: 4.5Gs Heater and Vent Performance Cruise: 125mph @ 3000rpm Stall: 40mph Rate of Climb: 825fpm @ 75mph Best Angle of Climb: 63mph Never Exceed Speed: 165mph Take-Off Roll: 700ft Best Descent Speed: 65mph Construction Time: Est.850 hours Cost of materials: Est.$9,200.00 Aircraft may be flown with canopy off Wings removable for transport in 20 minutes

   
Getting started.  Building the wing leading edge ribs.

   
More Sheetmetal working practice for some new members.

12 Nov. 2025 Update.

Laying up fiberglass and epoxy for cowlings
 

 
Engine cowlings in progress.
 

Side-opening canopy frame.
  

Forming the canopy.
  

Canopy locking mechanism.
  

Fairing for tail section.
 

Elevator pushrod control inside fuselage.
 

Throttle and trim control.