Uphill assist for KV4
Optional
For those of us who live in hilly landscapes there is an optional electric power unit.
The electric drive unit is mounted on the main 40 x 40 mm boom inside the nose cone. The motor is linked directly to the crank by means of a second chain.
This
way the up hill assist unit will always use the same gears you are using. The
motor runs at maximum efficiency when pedaling speed (crank
revs) is between 80 and 90 revolutions/min. This is the most efficient
range for your legs as well.
The motor unit has a freewheel so it will not
slow you down when not in use.
250W 24V Electro motor unit
With 1:10 gearing, freewheel sprocket
14, electronic controller, cables and handlebar grip.
With Fittings to mount
the motor on the front end of the boom (inside the nose
cone)
With Freewheel -crank with chain ring.
3.5
kg
Controller max
With
speed limiter and cyclist action detection
Required
for European legislation. With this unit the motor will only work if you yourself
cycle as well and if the speed is below 25 km/h
0.1
kg
Battery
pack Li Ion 11 Ah 24V
Offers a 20 to 40 km range under normal conditions,
the pure uphill range will be considerably less.
2.5
kg
Battery pack Li Ion
16.5 Ah 24V
Offers a 30 to 60 km range under normal conditions, the
pure uphill range will be considerably less.
3.7
kg
Charger
2A for Li Ion
input 230V~ 50Hz
Comes with a Dutch / German (SHUKO)
mains plug
Quick charger
10A for Li Ion
input 230V~ 50Hz
Comes with a Dutch / German (SHUKO)
mains plug
Quick charger
16A for Li Ion.
input 230V~ 50Hz
Comes
with a Dutch / German (SHUKO) mains plug
The uphill can be obtained from Lohmeier-Akkurad in Germany
They have developed the set described on this page.
(Sizes of battery packs and types of chargers tend to change from time to time)
You can contact them via
http://www.akkurad.com (in German)
or
http://translate.google.de/translate
(Google machine translation)
Have a look at “Tretkurbelantrieb” (chain drive) T25
Please mention you need a complete set it for a KS4 from Dutch Speed bicycles.
(the same set goes into the Alligt Alleweder A4)
They read and write English
(not kept up to date with possible changes by Lohmeier-Akkurad)
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