Manufacturer:	Deutsch-Bonnet					Class: F and G
Model:		DB HBR5 850 1955-1959
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DESCRIPTION:
	Fiberglass Coupe
	Dry Weight: 600Kg
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ENGINE:
	Type ..............	2 cyl opposed
	Bore & stroke .....	85mm x 75mm
	Capacity ..........	850 cc
	Comp Ratio ........	7.2:1, 7.8:1, 8:1, 8.5:1
	Head material .....	Aluminum
	Port size .........	Intake: 37mm, Exhaust: 41mm
	Piston material ...	Aluminum
	Piston weight .....	445 grams
	Timing data:
		Intake ....	Open 28° BTDC, Close 58° ABDC
		Exhaust ...	Open 58° BBDC, Close 28° ATDC
	Valve lift: .......	9.6mm
	Valve head dia:
		Intake ....	43.5mm
		Exhaust ...	41.5mm
	Valve spring ......	40Kg (100 lbs)
	Carburation .......	One or Two Zenith NDIX 32, 36, 38
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TRANSMISSION AND DRIVE TRAIN:
	Ratios:
	    1	20/23x9/21   20/23x9/21   22/20x9/21   20/23x9/21   22/20x9/21
	    2	20/23x20/26  20/23x20/26  22/20x20/26  20/23x20/26  22/20x20/26
	    3	20/23x1      20/23x1      22/20x1      20/23x1      22/20x1
	    4	20/23x24/16  20/23x24/16  22/20x24/16  20/23x24/16  22/10x24/16
	    5	20/23x
	Final drive ratios:	11/24x9/24=5.82, 11/24x11/31=6.15
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CHASSIS
	Wheelbase ...................	85”
	Track dimension, front ......	49”
	Track dimension, rear .......	49”
	Shock absorber ..............	Telescopic
	Steering ratio ..............	11:1
	Brakes ......................	
	Tire size ...................	145x380 or 145x400
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APPROVED OPTIONAL EQUIPMENT
	Dual ignition cylinder heads (F-Class only)
	Competition brake drums with 45mm linings for front wheels
	Reinforced 145x400 Rims
	Camshaft #111-15, 25-11, 25-12, 25-54
	11/23 or 12/23 ring and pinion
	Large fuel tank
	Large filler cap (4")
	Extra capacity sump