Basman style cruiser with Mac and A123 20ah "FINISHED"

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1000w   1 kW

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Basman style cruiser with Mac and A123 20ah "FINISHED"

Post by 1000w » May 17 2013 12:04am

This is my latest build which is still in the parts gathering phase as I haven't built the frame yet.
As the title suggests I will be copying the style of a Basman cruiser for this frame, I was lucky enough to be able to trace a genuine Basman frame a few months back.
This will be another 8T Mac powered bike using a 12 Fet controller and a 16S 20ah A123 pack. The colour scheme is white and blue with the battery mounted in the top part of the frame in some sort of "fuel tank" like cover, probably made from carbon fibre. The wheels are 24' x 80mm with hookworms. The forks are fox 40s.

Here is the frame trace
Image

Image


These forks will have the lower grey part powder coated metalic blue to matched with the frame.
ImageImage
ImageImage
Last edited by 1000w on Nov 22 2015 10:57pm, edited 1 time in total.

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boostjuice   10 kW

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Re: Basman style cruiser with Mac and A123 20ah

Post by boostjuice » May 17 2013 2:56am

Arghhhhh :shock: Fox 40's lying on abrasive cement! Show some respect for the paint/anodizing :wink:

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Re: Basman style cruiser with Mac and A123 20ah

Post by BEC » May 17 2013 4:16am

Hi there :)
Now this is something I like :D
We have built an e-basman and the frame geometry is a blast to drive and looks... well IT WORKS :D
A few things on this though:
- The seatpost is very special, don't know if you have take a closer look. Any other type of seatpost won't work and/or look awful.
- The original frame is for nearly all human a bit too long. If you are able to shortened it for 5-6cm you'll be more than happy with it. 346 builded a shorter version for a reason ;) (forget this is you're 2 meters high ^^)
- The baseman is delivered with a BMX crank system. That's... not that cool actually. It's quite a problem to get a front sprocket which will allows you to pedal at more than 35-37Km/h, the crank arm are shorter! otherwise they will get the ground on any turns ^^ (with the standard 14th on the Mac)
- We have mounted a 160mm inverted fork on it and in order to keep a good looking bike we had to drop it from 5-6cm in the front. If you don't, your bike will have this weird looking effect of a too long and too high front fork :) Most of basman users use maximum 110mm in order to keep the look steady :)
That's all I can remember yet ^^ If you need some dimensions or anything concerning the frame.. just ask me :mrgreen:
Here a picture of our build before the "fuel tank covers"
custom-beq.jpg
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H.

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1000w   1 kW

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Re: Basman style cruiser with Mac and A123 20ah

Post by 1000w » May 17 2013 6:19am

boostjuice wrote:Arghhhhh :shock: Fox 40's lying on abrasive cement! Show some respect for the paint/anodizing :wink:
Your right it does look rough. I put them down very carefully though. :D I picked them up for $300, bargain!!

Hey BEC, great info. I will contact you if I need any more info, cheers.

Just got the Mac motor body back from the powder coaters.

Image
Image

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jonescg   1.21 GW

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Re: Basman style cruiser with Mac and A123 20ah

Post by jonescg » May 17 2013 6:41am

I always wondered about the limited colour choices with frock motors. Black or grey. Why not electric blue eh?
Looking forward to seeing this one come together, Matt.

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full-throttle   10 MW

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Re: Basman style cruiser with Mac and A123 20ah

Post by full-throttle » May 17 2013 7:02am

Nice colour. Didn't know powder coating can be metallic.
Careful with installing CB headset, it's a bit touchy.
Looking forward to this!

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Re: Basman style cruiser with Mac and A123 20ah

Post by mosoto » May 26 2013 10:18am

Metalic powders:
http://www.prismaticpowders.com/

Nice work Matt, Subscribed.


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Re: Basman style cruiser with Mac and A123 20ah

Post by Hyena » May 26 2013 10:31pm

Looks like another sweet build in the making Matt. I'm looking to start something simlar myself shortly. Still not sure if I'll go hub motor or use my HPM5000 chain drive but it'll be pushing big power either way.

That tracing of the frame is great to have, I'll be sure to use that as a reference! Better still, if you could jot down the lengths of the tubes when you cut them that'd be super awesome. I bought back a tube bender (same as Kims I think) from the US recently so now I just need to find the time.

Have you sat one of the 20ah A123 cells on your tracing ? They'd be too large to fit in the hollow top tank area wouldn't they ?
Any reason you're sticking with those big format pouches ? Given the fairly low current requirements of the mac you could build a sweet 18650 li-ion/nmc pack in a neat, narrow tank that could be made to fit perfectly between the tubes. You could probably even fit the controller in there too, heatsinked to the frame for as totally neat and unclosed tank section.
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1000w   1 kW

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Re: Basman style cruiser with Mac and A123 20ah

Post by 1000w » May 27 2013 8:45am

Hay Jay, I'll let you know all the tube lengths, no probs.
I have sussed out the room required for the pack, and the plan is to have the lower top tube set slightly lower than the tracing.
I'm a big fan of the 20ah cells, they are completely unstressed at 40 to 50amps and I like not having many cells in parallel. When I plug in the cell log I know the true cell voltage.
I recon the 12 fet will fit in the rear section of the tank.
Looking forward to your cruiser build, get to it! :)
Cheers,
Matt.

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Re: Basman style cruiser with Mac and A123 20ah

Post by Tinto » May 30 2013 7:25am

So stylin it hurts.
Great work.
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1000w   1 kW

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Re: Basman style cruiser with Mac and A123 20ah

Post by 1000w » Jun 13 2013 4:01am

I just got the forks back from the powder coaters, and got some sweet brakes from Chainreaction.

Image

ImageImage

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Re: Basman style cruiser with Mac and A123 20ah

Post by izeman » Jun 13 2013 4:12am

very nice! this is gonna be a great looking bike. i especially like your chosen components. all high quality. must cost a fortune ;)

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Re: Basman style cruiser with Mac and A123 20ah

Post by drummerian » Jun 13 2013 6:54am

Following this, some stunning components coming together here!
Check out my eTrike build: http://wechook.com/

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Re: Basman style cruiser with Mac and A123 20ah

Post by Spicerack » Jun 13 2013 7:34am

Looking good there.... obviously paying too much overtime at the moment..... :)
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1000w   1 kW

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Re: Basman style cruiser with Mac and A123 20ah

Post by 1000w » Jun 14 2013 12:46am

Spicerack wrote:Looking good there.... obviously paying too much overtime at the moment..... :)
No overtime Andy, too busy with children for that. :)
Just slowly gathering parts so my other half doesn't notice too much.
All my ebike builds have been getting a little better each time, and I wanted to do one with no compromises with respect to my desired components and construction methods.

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Re: Basman style cruiser with Mac and A123 20ah

Post by AussieJester » Jun 14 2013 1:31am

1000w wrote:
Spicerack wrote:Looking good there.... obviously paying too much overtime at the moment..... :)
No overtime Andy, too busy with children for that. :)
Just slowly gathering parts so my other half doesn't notice too much.
All my ebike builds have been getting a little better each time, and I wanted to do one with no compromises with respect to my desired components and construction methods.

Hard to do overtime when your always on bloody holidays Matt :-P

re: "no compromises" tehehe ...your using a MAC frock :-| WTF!! LOL soz mate you knew i was coming :-P

The anodising lookz the shizz, if i opt for blue, i think the same colour for my frame would be good :-) Matches
the blue anodizing nicely IMO, still swaying towards yellow though :-S

Best of luck Matt SUBSCRIBED!!

KiM

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Re: Basman style cruiser with Mac and A123 20ah

Post by dodjob » Oct 05 2013 6:31pm

Any update on this build?

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1000w   1 kW

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Re: Basman style cruiser with Mac and A123 20ah

Post by 1000w » Oct 08 2013 7:24am

dodjob wrote:Any update on this build?
Not much ATM, too many projects and busy life.
I will start bending up the frame soon, the only thing I have done recently is to rebuild the forks, new seals and oil.

ImageImage

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1000w   1 kW

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Re: Basman style cruiser with Mac and A123 20ah

Post by 1000w » Dec 10 2014 10:43am

This is shaping up to be the longest build ever! Over a year has passed since my last post, however I am determined to finish it soon.
I have finally started to do some tube bending and welding. This is a mild steel frame with TIG welded joints.
Some progress shots of the last two nights work.

Image
Image

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Re: Basman style cruiser with Mac and A123 20ah

Post by Sean9002 » Dec 10 2014 4:15pm

1000w wrote:This is shaping up to be the longest build ever! Over a year has passed since my last post, however I am determined to finish it soon.
I have finally started to do some tube bending and welding. This is a mild steel frame with TIG welded joints.
Some progress shots of the last two nights work.
Don't worry mate, were all still here waiting! :)
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1000w   1 kW

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Re: Basman style cruiser with Mac and A123 20ah

Post by 1000w » Dec 10 2014 10:55pm

All your bender so far, thanks Kim, the one I
bought isn't too good, it crinks the pipe too
much.

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Re: Basman style cruiser with Mac and A123 20ah

Post by cjh » Dec 10 2014 11:40pm

Looking good, what sort of bender is it? I like the price on the Harbor Freight ones but they don't ship here. :(

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1000w   1 kW

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Re: Basman style cruiser with Mac and A123 20ah

Post by 1000w » Dec 11 2014 3:59am

Kim's bender is a roller type from Harbour
Freight I believe. It works well.
I think one of the US forum
members purchased it for him.
Mine is a hydraulc jack type with a pneumatic
pump on the hydraulic jack. I believe this
type work better if you fill the tube with
sand and cap the ends. I'm not too keen on
It.

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