STOLEN: [Melb, Australia] DH Comp with H4060

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shorza   1 kW

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STOLEN: [Melb, Australia] DH Comp with H4060

Post by shorza » Oct 16 2012 10:07pm

STOLEN.
Within the last few days, some lowlife has angle-ground the cable securing this bike to my shared carport.
Without a battery, this bike would be extremely hard to ride and transport.
If anyone in Melbourne sees this around, please contact me.

___________________________________________________________________________________________________________


Hey all, I figure it's about time to post a build thread... well more like a completion thread.
Now that I have been working on this bike for about 5 months, and it's as good as finished, time to start a thread.

Bike: Giant DH Comp 2002
Motor: Crystalyte H4060
Controller: 18 FET Low RDS MOSFET Overclocker Ready LYEN Controller
Batteries: 96 volt - 15ah. Made from 23s 3p Turnigy 5000mAh hardcase packs stuffed in a Pelican type case.
Tires: Rear - Maxxis Holy Roller Front - Maxxis Minion

Assesories:
Cycle Analyst V3
Giant DH Comp Drop Out adapters
SSC P7 3-Mode 900-Lumen LED Bike Light
Smart 1/2 Watt LED Rear Light

DH Comp bought for $600 off ebay. I don't have a before picture.
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H4060 laced and dished in a 26" Sun Rim by the same wheel builder that builds Stealth wheels in Australia.
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7 speed freewheel with 11 tooth gear.
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Removable battery case for easy recharging.
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Bit of a rat's nest, but everything just fits.
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'A' port contains a pre-charge resistor on the negative side. 'B' port is the battery's main output.
So I plug the controller's main power leads into the pre-charge port (A) for 3 seconds, before then plugging it into the main discharge port(B).
The controller's ignition lead then plugs into the 'A' port.
Battery setup.jpg
Check my awesome Paint skills
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The small plug on the right of the discharge ports connects to my bike light battery.
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2 steel 'arms' that are attached to the case sit in the triple clamp to take the weight, while a nylon strap is wrapped around and tightened. Velcro ties keep everything tight.
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Front light on handlebars.
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Rear light IN seat.
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2 Ebikes.ca's Velcro Strechy Sleeves to keep the wires fairly neat.
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Last edited by shorza on Jul 04 2015 5:22am, edited 2 times in total.

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shorza   1 kW

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Re: Shorza's DH Comp with H4060

Post by shorza » Oct 16 2012 10:17pm

A few more pics.
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shorza   1 kW

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Re: Shorza's DH Comp with H4060

Post by shorza » Oct 16 2012 10:49pm

From Full Throttle in typical Melbourne weather.
shorza1.jpg
shorza2.jpg
A massive thanks to Full Throttle who has helped me every step of the way with his infinite knowledge and patience.
There'll be a few pints your way next time we catch up.

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Philistine   1 MW

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Re: Shorza's DH Comp with H4060

Post by Philistine » Oct 17 2012 4:08am

Looks great Shorza, I just about to convert an almost identical DH Comp myself with Kiwis dropout adapters as well, but with an HS3545, but I will be putting the batteries in the frame hopefully (will be tight squeeze), but if I want more volts or range I will probably follow your lead with attaching a case to the forks.

Looks very tidy.

Do you find the case affects the handling much?

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shorza   1 kW

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Re: Shorza's DH Comp with H4060

Post by shorza » Oct 17 2012 4:14am

It is heavy and the handlebars can swing around when walking the bike without holding them.
Once riding it it isn't noticeable at all.

Good luck with the build, and feel free to ask if you run into problems as I've probably already encounted them.

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Re: Shorza's DH Comp with H4060

Post by litespeed » Oct 17 2012 5:52am

Your build looks excellent in every way. All I would recommend is you to offer your top speed and range on 23s3p because you know that's the first question I would ask! :D

Looking forward to copying your success!
I'm married so you know I'm no stranger to pain!

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Re: Shorza's DH Comp with H4060

Post by GCinDC » Oct 17 2012 7:53am

shorza wrote:Hey all, I figure it's about time to post a build thread... well more like a completion thread.
aww, a completion thread? that's no fun! we would have loved to have steered you in all different directions... :mrgreen:

just kidding. looks great!

hs4060 direct from kenny?

love the pelican case connectors! do you have to yank it for each charge?

put it up on the other dh comp thread! the more the merrier. :P
Youtube channel, 2013 Highlights vid. Ebike Nerdcast.
Giant DH Comp: 20s lipo (11.6Ah), hs3540, Adaptto Mini-E, 900W BMSBattery charger.
GT I-Drive (sold), 20s lipo, 9C, 72V 45A 12FET.

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shorza   1 kW

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Re: Shorza's DH Comp with H4060

Post by shorza » Oct 17 2012 6:03pm

litespeed wrote:Your build looks excellent in every way. All I would recommend is you to offer your top speed and range on 23s3p because you know that's the first question I would ask! :D
Looking forward to copying your success!
Hi litespeed, and thanks for giving me the inspiration to create a new thread. It's about time I stopped lurking these forums and started sharing my experiences.
My top speed on 23s is around 65kph, but I usually have my 3 speed switch on 85% when commuting with gives me about 55kph.
Range really depends on how I ride. As a rough guide, I use about 4ah for my 16km route with light pedaling easy riding.
GCinDC wrote:aww, a completion thread? that's no fun! we would have loved to have steered you in all different directions... :mrgreen:
just kidding. looks great!
hs4060 direct from kenny?
love the pelican case connectors! do you have to yank it for each charge?
put it up on the other dh comp thread! the more the merrier. :P
Oh I still went in all sorts of directions. Your build and Kiwi's dropouts are what made me want to get a DH Comp. I still visit your thread whenever there is a new post. Cheers.

The H4060 is one of Hyena's group buys from late last year. Luckily I didn't have to deal with Kenny myself :D. Thanks Hyena.
Kenny now sells the H4065, which I would prefer if I had to start again.

I am not sure what you mean by 'yank it for each charge'.
When I'm done riding, I chain up the bike, undo the straps of the battery, pull both connectors out then take the battery upstairs to charge.
I'm using a 900w BMS Battery charger to bulk charge.

Heading to the other thread now.

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Re: Shorza's DH Comp with H4060

Post by Trackman417 » Oct 17 2012 8:42pm

Very neat looking build 8) . How does the motor handle 93 volts? IF the battery's weren't upfront do you think you would be in a constant struggle to keep your front end down?
K2 Sidewinder
H4065 36 mph
20s2p 10aH lipo battery pack
If it didn't kill you, it just built your character.
You know your bike is powerful when even you, the builder, can't control it.
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Re: Shorza's DH Comp with H4060

Post by Doctorbass » Oct 17 2012 8:53pm

Nice build too!!

Even if you want to try a 20" wheel you'll love the feeling for dirt rides!!

here is mine with the 5403 on 16" rim :mrgreen:

Doc
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shorza   1 kW

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Re: Shorza's DH Comp with H4060

Post by shorza » Oct 18 2012 12:38am

Thanks for the kind words. I can lift the front wheel now at 45amps, I can imagine without the batteries.

Hey Doc, your bike looks great with the smaller wheel and larger tyre. I was aiming for a stealthish build as I also ride on the road, not sure if that motorcycle tyre would pass as stealth.

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shorza   1 kW

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Re: Shorza's DH Comp with H4060

Post by shorza » Oct 29 2012 8:10pm

Bummer. I go to jump on my bike this morning to go to work and notice a small pool of oil on the ground caused by the rear shock. This shock is brand new and i am not sure what went wrong.
I take it to work anyway as i was running late, and things got worse....
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It seems the stem isn't seated. Could this be caused by the leaking oil, or the leaking oil caused by this?
I take it the shock is now screwed?

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Re: Shorza's DH Comp with H4060

Post by litespeed » Oct 29 2012 8:29pm

Bummer.

Someone or things definitely gets the shaft on this one, hope it's not you.

Warranty?

Tom
I'm married so you know I'm no stranger to pain!

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shorza   1 kW

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Re: Shorza's DH Comp with H4060

Post by shorza » Oct 29 2012 8:37pm

I doubt it, but i'll definitely try. I bought it off eBay from a seller with a store in my city. I guess i'll see how good their customer service is.

I don't understand how it is leaking oil AND broke away from from the base. They must be related.

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Re: Shorza's DH Comp with H4060

Post by full-throttle » Oct 29 2012 9:21pm

Looks like the bottom bushing was too tight, causing excessive bending force on the shaft.

Bummer.. :evil: I know how it feels - same thing happened to me a long time ago when I was still at uni with no much $$ to spare.
Still got the old shock?

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shorza   1 kW

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Re: Shorza's DH Comp with H4060

Post by shorza » Oct 29 2012 9:54pm

Oh that makes sense, I did tighten the hell out of them.

I just emailed the eBay seller of my new shock and he said there is a 1 year warranty on it so hopefully i'll get it replaced, but since it's probably my fault i am not sure.
I'll let you know.

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Re: Shorza's DH Comp with H4060

Post by litespeed » Oct 31 2012 8:58pm

Any details yet? So I'm not following, what do you think you over tightened? The bolt that holds the shock to the frame/suspension?

Tom
I'm married so you know I'm no stranger to pain!

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shorza   1 kW

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Re: Shorza's DH Comp with H4060

Post by shorza » Oct 31 2012 9:13pm

The shock was brand new, bought off ebay, and I didn't compare the bolt holes (where the bushings are) to my old one. Sure enough they were different. One end was ok, but the other hole didn't have enough room for bushings, so I cut them up so they were basically fat washers/spacers. When installing, i made sure they were REALLY tight.

Since that end didn't have bushings and was super tight it couldn't pivot like it's meant to, and I guess was bending the shaft till it snapped.

Luckily the eBay seller was happy to replace it no questions asked. Now i need to figure out a solution to re-install it. Maybe i can flip it upside down so the end that pivots the most is the one with the bushing.

Thanks goes to Full-Throttle for the advice.

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Re: Shorza's DH Comp with H4060

Post by litespeed » Nov 01 2012 9:47pm

Awesome on the replacement part!

Tom
I'm married so you know I'm no stranger to pain!

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shorza   1 kW

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Re: Shorza's DH Comp with H4060

Post by shorza » Nov 02 2012 2:08am

Very lucky.

I will be offline for the next 3 weeks, but when I get back I will be installing the new shock straight away.

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Re: Shorza's DH Comp with H4060

Post by litespeed » Nov 02 2012 4:12pm

shorza wrote: I will be offline for the next 3 weeks,
So you must be some sort of CIA/black ops operative? Have to kill me if I ask huh? Cable bill run over?

Tom
I'm married so you know I'm no stranger to pain!

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shorza   1 kW

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Re: Shorza's DH Comp with H4060

Post by shorza » Nov 05 2012 6:18am

I can tell you, but then I'd have to kill you. :D
No, I've gone to Argentina for a holiday.

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shorza   1 kW

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Re: Shorza's DH Comp with H4060

Post by shorza » Jan 02 2013 12:43am

I'm back and the bike is still going strong.

If anyone in Melbourne is interested, I am selling my previous commuter here: http://endless-sphere.com/forums/viewto ... =9&t=46671

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full-throttle   10 MW

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Re: Shorza's DH Comp with H4060

Post by full-throttle » Feb 12 2013 7:02pm

A few screen captures from this morning's commute

The man himself
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..moment's later
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..later still (you might recognise the bike)
It's winkinatcha BTW. I was already late but couldn't say no to a good chat
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Re: Shorza's DH Comp with H4060

Post by Samd » Feb 16 2013 2:56am

Classic. Lets do a ride while its still beer weather!

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