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DBF1300

The Car

Cornering at 1.5G plus at Mt. Cotton Hillclimb in Brisbane, Queensland, Australia - the local hill of the MG Car Club.

History

1987 through 1989 saw three friends gathering one night per week and at least one day each weekend, to discuss, design and build the DBF1300. The three comprised John Davies, the owner and driver, together with Denis Backhouse and Ian Fettes. The trio are shown from right to left in the photo below. All three contributed in numerous ways to the final outcome. The car's name derives from their surname initial letters and the capacity class in which the car runs.

The following factors were of primary concern to the trio, and many hours were spent weighting the pros and cons of each before final decisions were made.

• Use of a readily available and strong engine;
• Light weight, but using materials that eased repairs if damaged;
• Excellent handling based around the best tyres available and low unsprung weight;
• Minimum cost using fabrication rather than purchase of many components.

Very few teething problems occurred with the constructional aspects of the car, and within a couple of years of its inauguration, it became a winner. Initial problems were experienced in the fuel delivery system, the standard carburetters not being up to the cornering forces. With fuel injection fitted the problems went away.

The car then quickly gained a reputation as a giant killer, for it is very competitive outside its class. It has been very successful pitted against professionally built 5 litre V8 open wheel racing/hillclimb cars.

Specification

The technical details of the car are as follows:-

Construction Details

Here are a few photos taken during construction of the car

	This is a view showing the fabricated front hub assembly. The front mounted brake caliper is not visible as it is on the back side of the view.
	The driver's feet share the footwell with the inboard spring damper units in this view. The fabricated rack is also shown.
	In this rear view, the fabricated differential and its carrier are seen, together with the brakes and shortened left driveshaft.

Results

In addition to a number of successes within its class in local Club competition, its results obtaining in major outright open competitions have been:-

• Australian Hillclimb Championship 1992
• Queensland Hillclimb Championship 1993
• Queensland Hillclimb Championship 1994
• Australian Hillclimb Championship 1995
• Queensland Hillclimb Championship 1995

While not the first car to use a motorcycle engine in this way, its success has certainly engendered a number of similarly competitive vehicles.

The Future

John believes strongly in the home-grown approach to motor racing, and the hill climbing sport allows freedom in design coupled with financial economy. Professional motor racing is just that! A number of innovative concepts are presently brewing, and the next few years may see another car emerge. Watch this space.