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Hand Cycles, Wheelchairs & Folding Bikes |
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Viper - Fully Powered Hand Cycle £2,095 - £2,295
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Introduction
The VIPER offers performance on the flat and is powerful enough to ride the hills with ease.
- Aircraft grade aluminium
- State of the art electronics
- Ni-MH batteries
- Microprocessor controlled charger
- Heavy duty cables and connectors
- V brakes
- 20” wheel for fast acceleration
- Cycle computer, bell, and drink bottle
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| Please Note: Wheelchair sold seperately |
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Powered Hub
The Viper is powered by the Heinzmann™ electronic hub which is renowned for its reliability and ruggedness.
All Heinzmann motors are built to the same basic plan. The motor is spoked directly into the rim, and can be fitted to any size from 16” to 28”. The motor is 36V, 200W, 43Nm.
Click on image to enlarge
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| Pack and Controller |
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The Saft power module is a very sophisticated piece of equipment. The module contains the Ni-MH batteries, a very clever battery monitor, a very sophisticated electronic controller with numerous safty features and a full BMS (Battery Management System.
Saft power modules generally last well over 600 cycles, thats two years of daily use. The non reversable decline is generally down to the quality of the cell, the Saft cells are generally acknowledged to be the best made, so last longer than the cheaper brands.
There are two models, 8.5ah / 13.5ah.
Click on image to enlarge |
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Controller
A pulse-width controller, controlled by the throttle on the handlebar. The throttle has an on/off switch and light, and there's a key switch on the Power Pack.
The controller also has safety features to protect you and other parts of the system: it monitors the temperature of the motor at all times, and it monitors every cell in the pack - if anything goes wrong (very rare!) it cuts out to protect you and everything else.
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Cables and Connectors
To stand up to years of use in all weathers, we only use the toughest cables and connectors available.
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Specification |
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Cycle
Weight:
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12 kg |
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Battery
weight:
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5 kg |
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| Battery
Type: |
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Saft 8.5ah Ni-MH / 13.5AH Ni-MH |
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| RPM: |
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176 |
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| Torque: |
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43 Nm |
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| Voltage: |
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36v |
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| Wattage: |
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200 Watt |
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| Amps: |
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25 A |
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| Range
(without manual cycling): |
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10 miles+/18-20 miles (depending on load & terrain) |
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| Performance: |
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10 mph / 16 kph |
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Docking System
The Viper power cycle can be connected to most rigid wheelchairs via a docking system that is permanently mounted under the wheelchair. It is lightweight, and adds approximately one kilogram to the weight of the chair. Once connected it takes only seconds to dock on.
The rear of the docking system is bolted to either the back axle or a bar going across the back of the chair. The front is bolted to the bar underneath the front of the seat. Some chairs do not have this bar, Kuschall for example. In this case we tailor a bar to the chair, which is then bolted on using the existing holes.
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