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From: Mike on 6 Dec 2007 11:15

Been looking for an item I know exists, but can't seem to find it
now. Powered wheels for a manual chair.

I keep finding the Yamaha ones, but they're high tech computerised
"assistance" items, not basic drive wheels. There was something that
was just wheels that mounted on the standard QD mount points and had
a battery pack and joystick kit to turn a manual into a light power
chair.

Anybody have a link, or even just the name of this kind of thing?

--
________________.0.________________
The Way of the Chao-Pao! is strong.
http://tinyurl.com/382gmp
-----------.|.-----------
From: Burgerman on 6 Dec 2007 15:26
"Mike" <Not(a)Arizona.Bay> wrote in message
news:FeV5j.62787$EU1.52771(a)fe1.news.blueyonder.co.uk...
>
> Been looking for an item I know exists, but can't seem to find it
> now. Powered wheels for a manual chair.
>
> I keep finding the Yamaha ones, but they're high tech computerised
> "assistance" items, not basic drive wheels. There was something that
> was just wheels that mounted on the standard QD mount points and had
> a battery pack and joystick kit to turn a manual into a light power
> chair.
>
> Anybody have a link, or even just the name of this kind of thing?


I dont unfortunately.

But I cannot see ANY possible advantage that a setup like that could/would
have over a sensibly modified F55s powerchair or similar?
Maybe weight - if you are lifting it into a car manually?

From: Mike on 6 Dec 2007 18:00
Responding to Burgerman...
> "Mike" <Not(a)Arizona.Bay> wrote in message
> news:FeV5j.62787$EU1.52771(a)fe1.news.blueyonder.co.uk...
>>
>> Been looking for an item I know exists, but can't seem to find it
>> now. Powered wheels for a manual chair.
>>
>> I keep finding the Yamaha ones, but they're high tech computerised
>> "assistance" items, not basic drive wheels. There was something that
>> was just wheels that mounted on the standard QD mount points and had
>> a battery pack and joystick kit to turn a manual into a light power
>> chair.
>>
>> Anybody have a link, or even just the name of this kind of thing?
>
>
> I dont unfortunately.
>
> But I cannot see ANY possible advantage that a setup like that could/would
> have over a sensibly modified F55s powerchair or similar?
> Maybe weight - if you are lifting it into a car manually?
>

Hi John! Hows things?

You're not far off the mark. Elaine is light and doesn't need the
range of the F55s these days, and when she does want to power, she
only needs local/short range. This works for me as I don't get to lug
heavy stuff around any more, and we don't have to feed a large
F55s-carrying car our food money just to get the shopping in. (We've
got a way smaller economy car now, and the F55s won't fit!)

On a good day Elaine will be manually propelling, but if things get
too painful I can just clip on the power wheels, drop a battery pack
into a sleeve under her seat, and we'' be good for the rest of the
afternoon. (Plus, I can then carry the shopping back to the car too.)

I already have the P&G control unit and a couple of joysticks, plus
PP1b, so all I need are the wheels!

Any clues?

--
________________.0.________________
The Way of the Chao-Pao! is strong.
http://tinyurl.com/382gmp
-----------.|.-----------
From: Burgerman on 6 Dec 2007 21:11
"Mike" <Not(a)Arizona.Bay> wrote in message
news:ga%5j.62913$EU1.14954(a)fe1.news.blueyonder.co.uk...
> Responding to Burgerman...
>> "Mike" <Not(a)Arizona.Bay> wrote in message
>> news:FeV5j.62787$EU1.52771(a)fe1.news.blueyonder.co.uk...
>>>
>>> Been looking for an item I know exists, but can't seem to find it
>>> now. Powered wheels for a manual chair.
>>>
>>> I keep finding the Yamaha ones, but they're high tech computerised
>>> "assistance" items, not basic drive wheels. There was something that
>>> was just wheels that mounted on the standard QD mount points and had
>>> a battery pack and joystick kit to turn a manual into a light power
>>> chair.
>>>
>>> Anybody have a link, or even just the name of this kind of thing?
>>
>>
>> I dont unfortunately.
>>
>> But I cannot see ANY possible advantage that a setup like that
>> could/would
>> have over a sensibly modified F55s powerchair or similar?
>> Maybe weight - if you are lifting it into a car manually?
>>
>
> Hi John! Hows things?
>
> You're not far off the mark. Elaine is light and doesn't need the
> range of the F55s these days, and when she does want to power, she
> only needs local/short range. This works for me as I don't get to lug
> heavy stuff around any more, and we don't have to feed a large
> F55s-carrying car our food money just to get the shopping in. (We've
> got a way smaller economy car now, and the F55s won't fit!)

Sorry to hear things might be worse for elaine.
Im ok - same as usual here.or if you prefere no change - but spinal cord
injuries dont!

> On a good day Elaine will be manually propelling, but if things get
> too painful I can just clip on the power wheels, drop a battery pack
> into a sleeve under her seat, and we'' be good for the rest of the
> afternoon. (Plus, I can then carry the shopping back to the car too.)

I have yet to see a add on power system that was anything much more than a
too small optimistic battery powering what amounts to a radio controlled
model car type power system. All brushed and low voltage and so stupidly
inneficient and fragile. Which is why you cant find anything now most
likely.

You need lithium ion or L polymer batts that can be 20 times as energy dense
as lead acids to stand a chance of making a decent system. Greater voltage
(more cells) means thinner cables and motor windings 9small light motors)
and less waste as heat and big efficiency increases. The motors alone can be
tiny high efficiency brushless things like I use in my RC helis etc. 1hp
motors are 10 times smaller and massively more efficient. And they have
nothing to wear out like brushes...

Your old school p and g controller wont work with brushless or higher
voltages so you are basically buggered!
You will need to use a couple of windscreen wiper motors or leccy bed motors
or similar then.


>
> I already have the P&G control unit and a couple of joysticks, plus
> PP1b, so all I need are the wheels!
>
> Any clues?

Absolutely non that may help unfortunately.


From: Pete on 7 Dec 2007 00:33
Mike wrote:
> Been looking for an item I know exists, but can't seem to find it
> now. Powered wheels for a manual chair.
>
> I keep finding the Yamaha ones, but they're high tech computerised
> "assistance" items, not basic drive wheels. There was something that
> was just wheels that mounted on the standard QD mount points and had
> a battery pack and joystick kit to turn a manual into a light power
> chair.
>
> Anybody have a link, or even just the name of this kind of thing?
>

Hi Mike
What your looking for is the Alber e-Fix
http://www.ulrich-alber.de/en/products/efixneu.php

--
Pete
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