HandiZap - mobility scooter conversion project

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HandiZap - mobility scooter conversion project

Postby Papa » Sat May 31, 2008 12:06 am

The goal;..

Convert 175 pounds of creepy crawler, into a 15-20 mph grocery getter... for less than 700 bucks.
(edit: actual weigh as shown was closer to 190 lbs)

Starting with this:

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Last edited by Papa on Sat May 09, 2009 3:44 pm, edited 4 times in total.
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Re: HandiZap - mobility scooter conversion project

Postby Papa » Sat May 31, 2008 12:11 am

The wheelbase will be stretched an additional 20" and the CoM lowered about 13". All but only two 10" long tubes of the original (black) frame (near the motor) will disappear after I install a 1/2" OD horizontal member below the main tube. The original frame was left in tact and utilized as jig to align the new frame members - greatly minimizing the tedious task of accurate assembly. The 'wheelie bars' sure do look intimidating, but suspect they won't be of much use after installing 16" fatties.

Torch time.

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Re: HandiZap - mobility scooter conversion project

Postby Jay64 » Sat May 31, 2008 12:13 am

We have some of the electric shopping carts at work. I want to modify one so badly. :lol:
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Re: HandiZap - mobility scooter conversion project

Postby Link » Sat May 31, 2008 1:17 am

Jay64 wrote:We have some of the electric shopping carts at work. I want to modify one so badly. :lol:


Oh, man, who hasn't? 8)
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Re: HandiZap - mobility scooter conversion project

Postby Deafscooter » Sat May 31, 2008 3:18 am

Deafscooter done modded the Handicapped Scooter ( three wheels ) with Original Seated
Running up to 37.2 Mph top speed! with 48 Volts Motor installed the scooter framework


Deafscooter Ride 37.2 Mph Top Speed = GPS Claimed, Like this one
ShopRider.jpg


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Re: HandiZap - mobility scooter conversion project

Postby Papa » Sat May 31, 2008 4:34 pm

Presto!... a rolling chassis. Weight as shown, 41 pounds

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Re: HandiZap - mobility scooter conversion project

Postby AussieJester » Sat May 31, 2008 8:36 pm

Shall be watching with much interest buddy :-) I'm confined to a wheelchair myself and am currently in the process of building my own custum 'mobility scooter' :-)

What are your plans for the bodywork side of things? Fiberglass was something i was contemplating? Best of luck with the project looks fantastic so far.

Kim
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Re: HandiZap - mobility scooter conversion project

Postby Papa » Sat May 31, 2008 8:43 pm

Deafscooter wrote:Deafscooter done modded the Handicapped Scooter ( three wheels ) with Original Seated Running up to 37.2 Mph top speed!
Hi, Deafscooter,

All I can say, is you got buckets more guts than I do. Most of the 3-wheeled scooters are rated at 5-8 mph because of the unusually high center-of-gravity, narrow track and short wheelbase. Attempting speeds much faster, will likely buy the rider a sizable patch of asphalt pie. The wheelbase on the HandiZap, is currently at 51" (about 15" longer than the stock scoot). By the time I remove most of trail (about 4" worth), I'm still unsure if I'm gonna be long enough at 55". As fechter says, "One test is worth a thousand opinions"
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Re: HandiZap - mobility scooter conversion project

Postby Papa » Sat May 31, 2008 8:52 pm

AussieJester wrote:Shall be watching with much interest buddy :-) I'm confined to a wheelchair myself and am currently in the process of building my own custum 'mobility scooter' :-)

What are your plans for the bodywork side of things? Fiberglass was something i was contemplating? Best of luck with the project looks fantastic so far.

Kim
Thanks, Kim,

Dunno yet. I need to stay focused on a running, safe and reliable chassis, so haven't given the skin a lot of thought yet. Considering the huge cost of carbon fiber, I may be forced to build in fiberglass anyway - really sucks, 'cause it would mean an extra 10 pounds over CF.
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Re: HandiZap - mobility scooter conversion project

Postby AussieJester » Mon Jun 16, 2008 8:07 pm

Anymore progress on this one Papa? Keen too see how its coming along mate ;)
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Re: HandiZap - mobility scooter conversion project

Postby Papa » Tue Jun 17, 2008 12:42 am

AussieJester wrote:Anymore progress on this one Papa? Keen too see how its coming along mate ;)
Not much has changed yet. I'm snagged on rear wheel replacement and haven't decided how-yet to conquer. The keyed axles are oddly sized at .785", so finding a fitable solution has been a head scratcher. I may have to disassemble the tranny and turn-down the axles a tad. Additionally, I'm also building a second trike at the same time... so, when I get stumped on one... I move to the other. I'll certainly post pics when I solve this frustrating issue.
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Re: HandiZap - mobility scooter conversion project

Postby frodus » Tue Jun 17, 2008 1:51 am

haha, this should turn out great.

We put a larger PM motor in ours, 36V worth of lead acid, and a larger controller (GE). It scoots pretty good. We had to put a brake on the other wheel too, just to stop it. One of the guys at the shop painted it orange, and put some black racing stripes on it. We still need to put a seat on it.

Image
Image

Good luck on yours, Keep us posted.
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Re: HandiZap - mobility scooter conversion project

Postby Jay64 » Tue Jun 17, 2008 12:08 pm

lmao. At first I thought that floor jack was a wheelie bar on the back of that orange scoot.

Papa, if you need a test rider.... :lol: I've got tons of safety gear. Suits that have kept my skin on at 150+ mph crashes.
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Re: HandiZap - mobility scooter conversion project

Postby Deafscooter » Wed Jun 18, 2008 12:02 am

Deafscooter Modding the 4 Wheel HC scooter make Fast up to 25 Mph Top Speed
and it have speed limit for my Female to ride slow down and extra longer range
DFHCSCTRA.jpg


Here is my Lady love ride faster (about 18 mph as riding HC scooter on roadside)
MyBeaufulLady.jpg
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Re: HandiZap - mobility scooter conversion project

Postby AussieJester » Wed Jun 18, 2008 12:40 am

Papa the rear axle arrangement is something i have just started working on today, does the scooter have a diff setup at all? Unfortunately i will have to go with only one of the rear wheels driving... the other will freewheel.

Papa wrote:Additionally, I'm also building a second trike at the same time...


Any chance of a lil looksee at that one too ::crosses fingers:: ;-)
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Re: HandiZap - mobility scooter conversion project

Postby Papa » Thu Jun 19, 2008 11:27 am

AussieJester wrote:Papa the rear axle arrangement is something i have just started working on today, does the scooter have a diff setup at all?
Yes, mine has a 13:1 chain reduction drive with integral differential - all stuffed into a cute little, oil-filled package.

The second delta trike is a ground-up, pedal/assist build. The goal is less than 50 pounds complete. This one will have a Sturmey Archer 8 spd internal hub w/independent chain driven differential (an arrangement much like the Hase Kettwiesel with its optional Nexus hub). IRS would be s-w-e-e-t!... but I don't see that happening any time soon.
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Re: HandiZap - mobility scooter conversion project

Postby AussieJester » Thu Jun 19, 2008 9:30 pm

Papa wrote:This one will have a Sturmey Archer 8 spd internal hub w/independent chain driven differential (an arrangement much like the Hase Kettwiesel with its optional Nexus hub)


Would REALLY like more info on this if possible mate? If i could get a working diff happening on my own trike i would be over the moon...shall do a search now see what i can find on "Hase Kettwiesel"

cheers
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Re: HandiZap - mobility scooter conversion project

Postby Papa » Fri Jun 20, 2008 4:05 am

AussieJester wrote:
Papa wrote:This one will have a Sturmey Archer 8 spd internal hub w/independent chain driven differential (an arrangement much like the Hase Kettwiesel with its optional Nexus hub)


Would REALLY like more info on this if possible mate?
Sure....

Unlike the Kett, which has both chains on one side (shown below), i'll likely mount a sprocket on the 6-bolt disc rotor mount, using it for the hub-to-diff chain.

My hub:
Image

The Kett's with 'optional' drive (using a Rohloff Speedhub)
Image
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Re: HandiZap - mobility scooter conversion project

Postby AussieJester » Sun Jun 22, 2008 8:20 am

I would like to see the inside of the rear 'compnent' this is actually a diff then is it? Can these be purchased seperate from the bike do you know matey?
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Re: HandiZap - mobility scooter conversion project

Postby Papa » Sun Jun 22, 2008 11:17 am

Yes, it's a basic differential, an option on Ketts. The Greenspeed Anua http://www.greenspeed.com.au/anura_pics.html also has a differetial, but It's my understanding that it's standand equipment.
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Re: HandiZap - mobility scooter conversion project

Postby AussieJester » Sun Jun 22, 2008 11:58 am

Papa wrote:Yes, it's a basic differential, an option on Ketts. The Greenspeed Anua http://www.greenspeed.com.au/anura_pics.html also has a differetial, but It's my understanding that it's standand equipment.


I want one!!! Have emailed them for pricing on the diff and a custom axle, lucky im permanently sitting down i think, the price is going to be a doozy me thinks hehe


Thanks for the info buddy ;-)
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Re: HandiZap - mobility scooter conversion project

Postby Papa » Mon Sep 01, 2008 1:49 am

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Re: HandiZap - mobility scooter conversion project

Postby AussieJester » Mon Sep 01, 2008 1:56 am

WoW nothing for weeks then BAM!!! you been holding out on us hehehe Looks fantastic top job...better look out when your going by retirement villages you will be the envy of the silver/blue haired wiminez with that ride hehee... still have plans for the fairing? How she handle?
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Re: HandiZap - mobility scooter conversion project

Postby Papa » Mon Sep 01, 2008 2:13 am

Thank you.

Handling is quite nice - I had to dial-in a lot of rake to subdue the 'flop'. I can navigate witch hats spaced 6' apart on asphalt, using only one hand on the stem clamp. With 16" OD wheels and 28v, it tops out near 12 mph. But I'm far from disappointed. Not much testing has been done other than playing, so no accurate data yet. One thing that stands out though, is how quiet it is. On pavement, you simply cannot hear it other than an occasional 'pop' when a tire flings a pebble - no whine, nothing. What'a treat. A horn it definitely needs!
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Re: HandiZap - mobility scooter conversion project

Postby Papa » Mon Sep 15, 2008 4:57 am

Sept 15-2008

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