ZODIAC CH 601 Series Kit Plane




  CH 601 HD
  CH 601 HDS
  CH 601 UL


Design Info

Kit Construction

Kit Info

 Photo Galleries 


The Cabin

Engine Info

Instrument Panel

Building & Flying

Pricing Information

Drawings & Manuals

Introductory Starter Kit

Press Reviews

FlightSim Files

Builders on the Net

Building & Flying in Seven Days!

Virtual Tour

Subscribe to Mail List
Your Email:

Follow us:
Zenith on facebook

RC Scale Model

Builds & Flies the ZODIAC

ZODIAC Information Kit
For More Information...


Subaru Power!
by Stratus Inc.

Super Power!

Zenith Aircraft Company offers a firewall-forward package for the EA-81 Subaru engine conversion (from Stratus Inc.) for the ZODIAC CH 601 series.

Stratus EA-81 SUBARU: Technical Specifications
Engine Type all-aluminum, 4-cylinder, 4-stroke, liquid-cooled, normally aspirated.
Displacement 1781 cc (109 cu. in.)
Power Output 100 hp
Bore 92 mm (3.62 in.)
Stroke 67 mm (2.64 in.)
Fuel unleaded (automotive)
Weight 185 lbs. (approx. 220 installed)
Reduction Ratio 2.2 : 1
Prop Rotation clockwise
Reduction System HTD belt (60 mm. wide)
Cooling Liquid (water-glycol mixture)
Ignition Electronic, single spark plugs
Alternator 45 amp
Carburetion Dual Bing altitude-compensating carbs
Fuel Consumption 0.48 lb./hp/hr @ 75% power
Starter electric gear reduction

The firewall-forward package supplied by Zenith Aircraft Company includes the following, less the actual Stratus EA-81 Subaru engine and exhaust system (to be purchased separately from Stratus Inc.)

Click thumbnail for full-size image:

stratus Subaru installation3.jpg (43279 bytes)  jw-1.jpg (37808 bytes)  jw-sub1.jpg (41952 bytes)

  • Welded chrome-moly engine mount system.
  • Fiberglass engine cowl for the Stratus conversion (two-halves, easy removal). This is the same cowl as the Rotax 912 - the cowl must be modified to accommodate the Subaru engine.
  • Warp Drive three-blade, ground-adjustable pitch carbon fiber propeller with spinner.
  • Liquid cooling system (radiator, expansion tank, hoses, attachment brackets, etc.).
  • Engine gauges.
  • Engine controls.
  • Electrical system (battery not included).
  • Installation drawings.
  • Stratus Subaru EA-81 Cowl Installation Photos

STRATUS EA-81 Subaru Firewall-Forward Package
(less engine / exhaust system):


To order engine and for technical information on the Stratus EA-81 Subaru:

STRATUS Inc. "Taking Subaru Engines to New Heights"
1270 S. Uplands Dr., Camano Island, WA 98292
Tel: (360) 387-6521  Email: mjt@camano.net

Available only to builders of ZODIAC CH 601 series kit aircraft. Crating, shipping and applic. taxes extra. Prices in U.S. funds, FOB Factory. All prices, equipment and availability subject to change without prior notice.

Alternative engines will affect performance, specifications and flight characteristics of the aircraft. Also, the weight and balance of the aircraft may be adversely affected by alternative engines, and the original fuel system may not be adequate or suitable for some engines. Most alternative engines will require a custom engine mount and engine cowl. Zenith Aircraft Company does not manufacture or directly support engines.


ZODIAC Updates 

Search zenithair.com



Recommended Reading

Zenith Aircraft at Work and Play... Click here for photos and stories from around the world

Sport-Pilot Ready Kit Planes from Zenith Aircraft Company

 Zenith Aircraft Company

Zenith Aircraft Company
Mexico Memorial Airport, PO Box 650
Mexico, Missouri, 65265-0650 USA.
Tel: 573-581-9000 (Mon - Fri, 8-5 Central),
Fax: 573-581-0011
Comments or questions? Click Here

Zenith Aircraft Company: 2008-07-14