Results 1 to 5 of 5

Thread: Daren Mk1 Prototype

  1. #1
    Join Date
    Feb 2004
    Location
    Southeast US
    Posts
    5,583

    Daren Mk1 Prototype

    The prototype was built by John Green in 1967 and was developed to race in the Nurburgring 1000km race in 1968. With it's gullwing doors and Mirage windscreen it stood lower than even the Ford GT40 at 38". Body fabrication was shared by Maurice Gomm who did the bodywork on the Ford F3L

    Daren Prototype - Specifications and details when first built in 1968

    Built to conform to Group 6 Appendix J of the International sporting code 1968.

    Built by John Green of Daren Cars, Station Road, Linslade, Leighton Buzzard, Beds.

    Chassis - no. DP681 (Daren Prototype 1968 Number 1). Space frame with semi-monocoque cab construction. Designed for rear mounted engine and gearbox.

    Chassis multi-tubular constructed from 18 Standard Wire Gauge (1.22mm thickness). Tubing - square steel of 1" section with some lighter 1/2" section used for supporting body panels.

    Bodywork - All aluminum panels. Designed by Dave Taylor ex. Ford GT40 aerodynamics advisor and in the employment of J.W. Automotive.

    Stressed aluminum undertray fitted with steel panels to stiffen the frame near the front suspension mountings.

    Bodywork features - Hot air from the radiator is removed via openings in the top of the nose section. This also helps to generate a down pressure on the front wheels.

    Screen - Triplex laminated. Ex Ford Mirage Group 6

    Side and rear windows - Perspex

    Front Suspension - Double unequal length wishbone construction with an adjustable roll bar. Triumph Herald front uprights. Armstrong fully adjustable coil springs/shock absorber units. All rose jointed apart from mounting points on chassis.

    Rear Suspension - de Dion construction with twin parallel radius rods. de Dion constructed from 3" diameter 16 S.W.G. (1.63mm thickness) steel tubing. A lateral link to determine roll centre height was made to specifically for the Daren. Armstrong adjustable coil/spring/shock absorber units, Panhard rod and roll bar all fully rose jointed.

    Steering - Rack and Pinion from Standard Triumph, modified for the Daren.

    Brakes - Girling 10 1/4" front with AR alloy calipers to F2 specification; Girling 10 1/4" rear with iron calipers all outboard mounted. Dual braking system with twin master cylinders. Ferodo linings fitted all round.

    Wheels - Ex-Alexis F3 cast Magnesium all 13" diameter.

    Front - 8" wide by 13" diameter, 4 stud fixing

    Rear - 10" wide by 13" diameter, 4 stud fixing

    Tyres - Dunlop 970 compound CR65

    Front - 4.75 x 10 x 13

    Rear - 6.00 x 12 x 13

    Electrical - 12 volt Lucas

    Fuel - Capacity ~10 gallons (45.5 litres). Aluminum tank

    Oil capacity - 2 gallons (9.1 litres)

    Systems - Instruments

    Rev counter 0-12,000 Smiths Mechanical

    Oil Pressure Gauge

    Water Temperature Gauge

    Weight - 10.5 cwt (1180lb) as per appendix J 1968

    Dimensions

    Wheelbase 90"

    Height 38"

    Length 144"

    Track f/r 52"

    Width 51"

    Engine - Twin Cam Lotus-Ford modified by Vegantune of Spalding Lincs. developing 173 bhp on twin 45 DCOE Weber Carburettors.

    Compression ratio 13:1

    Gearbox - Hewland Mk5 with LSD.

    Driveshaft - Manufactured specifically for the Daren and fitted with Hardy Spicer joints at outer ends and rubber doughnuts at the inner end.
    Attached Images Attached Images
    Last edited by Dino Scuderia; 12-18-2009 at 11:32 AM.

  2. #2
    Join Date
    Feb 2004
    Location
    Southeast US
    Posts
    5,583
    Daren Mk1 #2. The Mk1 was restored many years later after being discovered rotting away in Singapore.
    Attached Images Attached Images

  3. #3
    Join Date
    Apr 2003
    Location
    Rozenburg, Holland
    Posts
    27,315
    Very nice, I got some shots of a Spyder version, any info on that too?
    Last edited by henk4; 12-18-2009 at 11:34 AM.
    "I find the whole business of religion profoundly interesting, but it does mystify me that otherwise intelligent people take it seriously." Douglas Adams

  4. #4
    Join Date
    Feb 2004
    Location
    Southeast US
    Posts
    5,583
    Yes...working on Mk2 and 3 which were spyders.

  5. #5
    Join Date
    Apr 2003
    Location
    Rozenburg, Holland
    Posts
    27,315
    Quote Originally Posted by Dino Scuderia View Post
    Yes...working on Mk2 and 3 which were spyders.
    I'll put on some shots then.
    "I find the whole business of religion profoundly interesting, but it does mystify me that otherwise intelligent people take it seriously." Douglas Adams

Thread Information

Users Browsing this Thread

There are currently 1 users browsing this thread. (0 members and 1 guests)

Similar Threads

  1. Gran Turismo 5
    By Sauc3 in forum Gaming
    Replies: 1020
    Last Post: 05-19-2014, 03:16 PM
  2. Allard J2X Mk I/Mk II 2006-
    By Timothy (in VA) in forum Matt's Hi-Res Hide-Out
    Replies: 3
    Last Post: 06-16-2013, 10:15 AM
  3. CitroŽn Visa Lotus Prototype 1981
    By Man of Steel in forum Matt's Hi-Res Hide-Out
    Replies: 11
    Last Post: 03-31-2010, 11:53 PM
  4. Honda Element SC Prototype
    By dracu777 in forum Matt's Hi-Res Hide-Out
    Replies: 6
    Last Post: 04-13-2006, 07:59 PM
  5. Prototype F1 A500 - Formula One takes off
    By Matra et Alpine in forum General Automotive
    Replies: 3
    Last Post: 03-27-2004, 12:01 AM

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •