Hawke Registry
Marque Reference

Model Year Class Production Designer Comments
DL1 1968 FF1600 1 David Lazenby Prototype FF
David Lazenby Production Version of the DL-1
DL5 1971 FSV ? ? Air-cooled Super Vee
? David Lazenby Appeared in both FA and FB trim
DL7 1971 F5000 1 Len Terry Built as a Leda LT22, purchased by Lazenby and re-branded as a Hawke DL7.
DL8 1971-1972 FSV ? ? ?
DL9 1972 FF1600 ~30 David Lazenby John Bicht came on in early 1972, and McKinstry was at the shop and sponsoring Syd.
DL10 1972-1973 FF1600 Probably 25 David Lazenby The DL10 was an entirely new design, although the general style of the frame remained the same as the DL9.  Many small improvements were made such as the gear change mechanism.  The body was a joint design between David and John Bicht.  David wanted side radiators because of the amount of bashing and crashing that went on in English FF.  John wanted the rear engine cover because he really liked the look of the Ensign F3 cars.  The suspension was modified considerably over the winter on the car called "DL10 prototype". The DL10 wasn't successful.
DL11 1973-1974 FF1600 30 David Lazenby DL11's were made in 73 and 74, and many were converted from DL10's.  Any DL10 in England was converted.  This car was a development project by David and John.   John's car was the test mule, and everything was tried.  This car went out nearly every Wednesday or Thursday from late March to late October. (By the way, if John's car still exists, it can be identified by the Lotus 69 style gear change mechanism, the oil filter under the transmission, and something different about the dashboard.  Also, the mount for the top link of the rear suspension was just a plate bolted to the DL10 mounting point.)
DL12 1974-1975 FF1600 ? David Lazenby "Super Slipstreamer"
? ? A DL14 chassis was re-engined with a 2 litre BDA engine and run in F3 in 1975, 76 & 78.
DL15 1976 FF1600 65 Adrian Reynard Engine Bay -
DL16 1976-1977 FF2000 ? ? -
DL17 1977 FF1600 ? David Lazenby Long Engine/gearbox spacers
Conventional layout
DL18 1977 F3 3 Adrian Renard Cars driven by Rupert Keegan, Jan Lammers, and the third car never raced?
DL19 1978 FF1600 ? ? -
DL20F 1978 FF1600 ? ? -
DL20SF 1979 FF2000 ? ? -
DL22 1978 FF2000 4 ? This car was a DL19 chassis with inboard front shockers and roller rocker suspension.

Notes from John Bicht:

Several things should be pointed out to restorers of DL9 through 11. These are things that could cause potentially very dangerous conditions while on the track.

In the middle of 72 the front lower wishbone was changed so that the connecting link between the front and rear inner rod end was removed.  This to clear the 9 body which bulged considerably.  This caused the wishbone to be no longer triangulated and failure can occur where the tube from the rear inner rod end first joins the rest of the welded structure.  This design persisted until late in 73 when the failure happened to me on the DL11.  The design was then modified.  The failure may occur more on TIG welded wishbones - probably started in 73 - than on the earlier nickel bronze welded units.   I can provide additional info if desired.

Front and rear live axles.  There was a period where these were made with insufficient radius where the outer bearing boss (that ground portion of the axle that the outer bearing is pressed onto) meets the axle flange (also a ground area but flat, the bearing is pressed on until it hits this flat).  There was for quite a long time almost no radius here.  The flange breaks off the axle, and usually the wheel leaves the car.  It happened to many of us.  I am certain this was during DL9 days and I think the fix occured then.  Finally a very generous radius, around 1/8", was used.  We would place the bearings in the lathe and machine a chamfer in the inner race to clear the radius.  I would not drive any car built prior to the DL11 (late 73) without checking the axles for this radius.

I think that all US racing groups require capture washers over rod ends used with a single shear bolt.  The problem was that the English didn't and so nothing was put on the outside rear rod end (parallel link meets the upright).  Disaster.

Last Updated on 28 February, 2013
By Brian Gent

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