tartosuc's firts build

tartosuc · Jul 29, 2008

Hi,

I've been looking at this site for a while now and finally decided to start my first electric bike project.
some of you might remember my black and red electra rat fink that i've posted here last year.

I have totally rebuilt the bike and bought a golden moter kit. front wheel 500w.
I plan on using it stock for now with 3 sla batteries.
here are the first pics of my build
the bike.:

batterie atachement.:

on the bike.:

still have a lot to do....

AussieJester · Jul 29, 2008

Looks interesting thus far, are you planing anymore struts from the battery rack your making to the bike frame?

Kim

Zoot Katz · Jul 29, 2008

Running just the rear coaster brake looks a bit sketchy at the increased speed and weight you're intending.

Drunkskunk · Jul 29, 2008

Anyone who welds there own rack get my attention. Nice choice in bike, too.

tartosuc · Jul 30, 2008

to answer your questions,

Yes i've added 2 more struts to the pipe between the seatpot and chainstays(pics to come).

i'm planning on adding a disc brake somewhere in the setup after initial testing. I can either modify the rear wheel or the front hub motor to accept a rotor..i will have to choose later depending on wich is easier to do.

I might end up building someking of small motorcycle out of that, i might remove cranks and chain to get more batterie space into the frame and get lots of range..if I get to do that, disc brake setup will be easier as can just use any regular rear disc brake wheel, I already have a billet caliper mount for the frame.

thanks

Anonymous · Jul 30, 2008

Ypedal · Jul 31, 2008

NIce bike !!!! 8) ( and damn.. now i feel like a slice of sugar pie.. grr)

One of those bricks might have fit inside the frame ,, cutting the weight down on the rear rack by 1/3 !! ..

Other than that ! keep up the good work ! :wink:

tartosuc · Jul 31, 2008

Ypedal said:
NIce bike !!!! 8) ( and damn.. now i feel like a slice of sugar pie.. grr)

One of those bricks might have fit inside the frame ,, cutting the weight down on the rear rack by 1/3 !! ..

Other than that ! keep up the good work ! :wink:

I know! the thing is, that setup is just to experiment ebikes a little bit. this winter in will most likely build a complete frame from scratch and having the batteries down low on the frame... I also have the option of cutting that one to fit batteries or building a tilting sidecar...

AussieJester · Jul 31, 2008

tartosuc said:
will most likely build a complete frame from scratch and having the batteries down low on the frame... I also have the option of cutting that one to fit batteries or building a tilting sidecar...

Be looking forward to that there isnt enough custom work happening in the bike section

Instead of a sidecar maybe a trike?

Best of luck anywayz..

Kim

Zoot Katz · Jul 31, 2008

AussieJester said:
tartosuc said:

will most likely build a complete frame from scratch and having the batteries down low on the frame... I also have the option of cutting that one to fit batteries or building a tilting sidecar...

Click to expand...

Be looking forward to that there isnt enough custom work happening in the bike section Instead of a sidecar maybe a trike?

Best of luck anywayz..

Kim

I stopped by the ratt werx last night where there are plans afoot to build a hack from a few recent/decent dumpster scores.
http://www.endless-sphere.com/forums/viewtopic.php?f=6&t=5209

tartosuc · Aug 2, 2008

here is today's progress on the battery box...My goal is to have the chopper running by sunday night...
the strait part of the box will serve as a backrest...

AussieJester · Aug 2, 2008

oooh bondo raised its head your going the whole nine yards, painting it the same colour as the bike frame? Nice job on the mdf battery box to

will this also be painted to match frame? Look forward to seeing it complete Sundee night buddy

Any chance of some video of the bike up and running?

Kim

tartosuc · Aug 3, 2008

AussieJester said:
oooh bondo raised its head your going the whole nine yards, painting it the same colour as the bike frame? Nice job on the mdf battery box to will this also be painted to match frame? Look forward to seeing it complete Sundee night buddy Any chance of some video of the bike up and running?

Kim

Hi,

I was think black for the box as the other parts..
unfortunately i'm on duty at work this wekened and had to go to wrok part of day today(sunday, i'm writing from work) sio i doubt i will eb able to finish today... more pics top come later.

tartosuc · Aug 3, 2008

ok so i've been able to do a test run today...
started at 37.7V, after 35-40minutes I was at 35,5v... I have 3 17 Ah sla's

i dont have a speedo but i would say i run 35kmph approximately...its quite fun...
that said the kit is noisy when I accelerate and i really can use it uphill?? any advise?

tartosuc · Aug 4, 2008

http://www.youtube.com/watch?v=scIbcDPoARc

so here'S small video...listen when I accelerate..its noisy and vibrate.
any ideas what causes that?

Link · Aug 4, 2008

Stock controller? I believe part of it is a weird limiter that keeps current down when near stall. My rear Golden makes a sort of shuddering/grating sound/feeling when I take off near full throttle, but it's not nearly as loud as yours.

If it doesn't seem to accelerate very well, it could be a dead hall sensor.

It probably goes up hills pretty well. The Golden is a pretty torquey motor, and I'm comparing it to a BD36 in a 20" rim.

tartosuc · Aug 4, 2008

Link said:
Stock controller? I believe part of it is a weird limiter that keeps current down when near stall. My rear Golden makes a sort of shuddering/grating sound/feeling when I take off near full throttle, but it's not nearly as loud as yours.

If it doesn't seem to accelerate very well, it could be a dead hall sensor.

It probably goes up hills pretty well. The Golden is a pretty torquey motor, and I'm comparing it to a BD36 in a 20" rim.

yes its the stock controller, it's my first kit, firts try, i'm not into modifying that stuff yet.
when i tried a hill (steep) even walking besides the bike was not leaving enough power to the bike..
i could se the lights for the batteries go down to red when I psuhed the trottle on flat or when going uphill.. even if they have enough in...

ok so lets say its defective hall sensor...how do i figure it out?.i dont know anything about that!

anyone have ideas?

tartosuc · Sep 8, 2008

OK,

Updates on my chopper,

sems like i'm just expecting more from the kit than it can deliver...working within its limts is still fun.

so i went to wrok 3 times with it so far , 28km each way..recharge at work... max speed of 31km-h..

I will definitely upvolt the system to 48v and get a better set of batteries...(probably a pingpack)

my main problem at the moment is not having a rear suspension...roads are bumpy and makes the bike more difficult to handle at higher speeds.

I will keep on using it to commute to work until winter and re-think the frame setup.

here are the latest pics.

tartosuc's firts build

tartosuc

10 W

AussieJester

1 TW

Zoot Katz

100 kW

Drunkskunk

100 GW

tartosuc

10 W

Anonymous

Guest

Ypedal

Moderator

tartosuc

10 W

AussieJester

1 TW

Zoot Katz

100 kW

tartosuc

10 W

AussieJester

1 TW

tartosuc

10 W

tartosuc

10 W

tartosuc

10 W

Link

1 MW

tartosuc

10 W

tartosuc

10 W

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