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Realm Runner Chassis

Listed in the March 2004 edition of SportsCar magazine.

DR-4 for CSR

Specifications

  • Chassis construction: tubeframe
  • Body construction: hand laid composite
  • Engine: Suzuki Hayabusa 1300cc to turbocharged 1600cc
  • Front Suspension: unequal A arms
  • Rear Suspension: three link
  • Shocks: AFCO
  • Springs: AFCO coilovers
  • Wheels: Kodiak 8.5" & 10.5"
  • Brakes: Wilwood
  • Gearbox: 6 speed sequential
  • Anti-Roll Bars: front and rear
  • Instrumentation: tach, oil pressure, water temperature
  • Special Features: front engine; low cost and maintenance; minimum race prep necessary
  • Changes for 2004: new bodywork, aerodynamic improvements; new frame with lighter weight, more rear weight bias, and greater torsional stiffness
  • Price: $29,500 complete
    $28,500 complete (listed on Downs' web site)

Contact

Downs Engineering
19564 Eighth St East
Sonoma, CA 95476
(707) 938-1011
fax (707) 935-0481


Specifications from the
Downs Engineering web site

  • VEHICLE:
    • Type: front-engine, rear wheel drive
      Full Body Single Seat
  • BODY:
    • Body material: fiberglass with light gel coat
  • CHASSIS:
    • Lower Frame Rails: 1.25"x 1.25" x .065 wall
    • Main Roll Cage: 1.5"x .095 wall round tube
  • ENGINE: Suzuki Hayabusa:
    • Type: 4-in-line, aluminum block and head, Water-cooled
    • Displacement: 1298 cc
    • Carburetion: Electronic Fuel Injection
    • Power: 185 bhp
  • DRIVE SYSTEM:
    • Transmission: 6-speed
    • Automotive drive shaft
    • Final-drive ratio: 4.11:1
  • BRAKES:
    • Front: 10.25 x .75 inch disc
    • Rear: 10.25 x .75 inch disc
  • WHEELS and TIRES:
    • Wheel size:
       8.5" x 13 inch Front
      10.5"x 13 inch Rear
    • Wheel type: Alloy
    • Race Tires
  • SUSPENSION:
    • F/R fully adjustable mounting points, coil springs, adjustable shock absorbers
    • Front individual unequal-length control arms
    • Rear: live axle located by 2 trailing links, 1 center link.
  • STEERING:
    • Type: racing rack and pinion 12:1 ratio
  • DIMENSIONS AND CAPACITIES:
    • Wheelbase: 80.0 inches
    • Track: F/R: 55.0/53.0 in.
    • Length: 135.0 inches
    • Width: 66.0 inches
    • Height: 42.5 inches
    • Oil capacity: 5.0 qt.
  • FUEL:
    • Fuel capacity: 8.0 gallons
    • Fuel type: pump gas
  • WEIGHT:
    • Curb weight: 975 lbs.
    • Weight distribution, F/R:
      46% front / 54% rear
  • SAFETY:
    • Roll Over Bar structures built to a 2000-lb car spec
    • Restraint system: manual 5-point harness
    • Fire system: 5-lb. Halon remote fire system
    • Fuel: 8-gallon fuel cell
    • Brakes: dual master cylinder and balance bar
    • Driver side anti-intrusion bar
  • SEAT:
    • Front Seat: Aluminum racing bucket style
*Specifications subject to change

 

w04_full_view.jpg (40445 bytes)

cockpit.jpg (14402 bytes)

wside_view_nose_04.jpg (53258 bytes)

engine.jpg (16017 bytes)

w04_front.jpg (21915 bytes)

w04_side_view.jpg (18038 bytes)

 

 

 

 

left_front.jpg (10859 bytes)

RRRear.jpg (34766 bytes)

old_paint.jpg (6048 bytes)

right.jpg (8526 bytes)

CSR 61 d.jpg (36422 bytes)

laguna2.jpg (8278 bytes)

sears_turn11.jpg (41002 bytes)

front.jpg (19958 bytes)

CSR 61.jpg (38112 bytes)

front.jpg (8934 bytes)

laguna1.jpg (7934 bytes)

CSR 61 b.jpg (27822 bytes)

right_front.jpg (11181 bytes)

group.jpg (7739 bytes)

CSR 61 c.jpg (36589 bytes)


Revised: March 17, 2004.

Sports Racer Network