Specifications of BMW / Heinkel / Iso / Romi / Trojan / VELAM

	BMW Isetta 250 Standard	Heinkel Kabine 175	Iso Isetta	Romi-Isetta	Trojan 200	VELAM Isetta

	03.1955–01.1957	1956–57	1953–56	1956–61	1960–66	1955–59
basic
steering wheel location	at left				at left
doors counts	1				1
number of places
total	3	2		4		2
are defective	1
design	frame
geometry
dimensions
length	2,285 mm	2,550 mm				2,380 mm
width	1,380 mm					1,420 mm
height	1,340 mm
wheel base	1,500 mm	1,760 mm
track
front	1,200 mm
rear	520 mm
weight
curb	359 kg
full	580 kg
engine
name	BMW M240/1 (после 1956 г. - BMW M240/2) (1 карбюратор Bing 1/24)	Мотоциклетный с воздушным охлаждением				Одноцилиндровый, двухпоршневой
type	Internal combustion				Piston
location	at rear, transversely	at rear	at center		at rear	at center
supply system	carburetor
block material	aluminium alloy
cylinders/valves	l1/2	1	1/2		1	1/2
cylinder diameter	68.0 mm
stroke	68.00 mm
volume	247 cc	174 cc	236 cc		198 cc	236 cc
power
power	12 hp	9 hp			10 hp	9 hp
in the range from	5,800 rpm	5,500 rpm
compression ratio	6.80
fuel	petrol					petrol
turbo	none		none		none
cooling	liquid
transmission
drive unit	rear-wheel drive		rear-wheel drive		rear-wheel drive
gearbox	Manual 4				Manual 4
number of reverse gears	1
clutch	однодисковое сухое
suspension and steering
front suspension type (deprecated)	свободнотолкаемые продольные качающиеся рычаги, катушечные пружины
rear suspension type (deprecated)	Узкоколейная жесткая ось с четверть-эллиптическими консольными пластинчатыми рессорами
electric
onboard voltage	12 V		12 V		12 V	6 V
dynamic properties
max speed	85.0 km/h		72.0 km/h		88.5 km/h	75.0 km/h
speed limiter	no		no		no
other specs
fuel consumption
Unknown method
mixed	3.0 l/100km
"start-stop" system	no				no
spread
diameter	8.0 m
brake system
ABS	no		no		no
front brakes
description						AP Racing discs 362mm, 6 piston calipers
type	drum					disc
diameter	180 mm					362 mm
material	metal
rear brakes
description						AP Racing discs 343mm, 4 piston calipers
type	drum					disc
diameter	180 mm
material	metal
wheels and tyres
front	3.0J × 10 ???/?? R10				?J × 10 ???/?? R10	?J × 11 ???/?? R11
rear	3.0J × 10 ???/?? R10				?J × 10 ???/?? R10	?J × 11 ???/?? R11
Auto pumping tires	no