E-S Stealth Electric Bike Owners

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Re: E-S Stealth Electric Bike Owners

Postby gensem » Tue May 01, 2012 1:15 am

Kepler wrote:I am re doing the experiment this morning again but this time with my friend's bike current limited to 35A just to see how much of an impact that will have. I think the figures will be much closer however, I am sure I will have a definite acceleration advantage.

I think its important not loose site of why a stock Fighter has a Hx motor and a massive 18FET controller though. The stock offering is all about a proven balance between performance and reliability. The Stock Fighter will hit dirt tracks hard and you know you are going to get it home. My setup, well we dont really know how it will survive in the wild. As an Urban weapon though, its looking very solid 8)



a 18fet is somehow safe do to your daily commute in a cromo, but thats depending on the size of your wheel and voltage... .

on the other hand I think my 24fet lyen (unused) ll do 150a main with active cooling and no other mod(and the 24fet has alot of room mods)
Last edited by gensem on Tue May 01, 2012 8:16 pm, edited 1 time in total.
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Re: E-S Stealth Electric Bike Owners

Postby QuietRush » Tue May 01, 2012 7:26 am

Nice work on the lightweight variant Kepler, frame looks clean with the controller mounted internally, lends itself well to steeper technical climbing rides like the ones I like to play on...

The weight reduction and preservation of torque for climbing gets me wondering about how it'd go with some targeted trials arena play, similar to what I put mine through (briefly) whilst demonstrating at Royal Easter Show earlier this month. The rider, Jack Field, might just be a distant relative of Al's, seems to have the same inclination for front wheel lofting. Did a writeup of the show at http://store.quietrush.com.au/1/post/20 ... -aeva.html

Let me know if you're ever Canberra bound, would love to throw it at some local rock slabs..
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Re: E-S Stealth Electric Bike Owners

Postby dave.a » Tue May 01, 2012 1:22 pm

Anyone with a bomber, could you tell me Amps drawn unloaded. Mine is 3.9A. Seems a little high?
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Re: E-S Stealth Electric Bike Owners

Postby Kepler » Tue May 01, 2012 4:42 pm

dave.a wrote:Anyone with a bomber, could you tell me Amps drawn unloaded. Mine is 3.9A. Seems a little high?
Cheers Dave


Does seem a bit high. I presume you have checked for any drag from brakes, freewheel etc. Worth zeroing the amps on the CA in the advanced menu just incase the calibration has drifted a bit.
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Re: E-S Stealth Electric Bike Owners

Postby Kepler » Tue May 01, 2012 5:02 pm

QuietRush wrote:Nice work on the lightweight variant Kepler, frame looks clean with the controller mounted internally, lends itself well to steeper technical climbing rides like the ones I like to play on...

The weight reduction and preservation of torque for climbing gets me wondering about how it'd go with some targeted trials arena play, similar to what I put mine through (briefly) whilst demonstrating at Royal Easter Show earlier this month. The rider, Jack Field, might just be a distant relative of Al's, seems to have the same inclination for front wheel lofting. Did a writeup of the show at http://store.quietrush.com.au/1/post/20 ... -aeva.html

Let me know if you're ever Canberra bound, would love to throw it at some local rock slabs..


Thanks QuietRush. It actually climbs really well so it might go OK on the stuff you ride. It will be the long steep stuff that will kill it. The trials arena would be interesting for this bike too. With the suspension setup for this type of riding, I think it would be quite handy. If I was going to setup bike for that type of riding, I would fit the higher torque code 12 motor to the bike and run a 48V 12S 8ah setup to make the bike even lighter. Then have a second pack to hotswap out. I dont think a slow moving trials bike would be particularly Ahr hungry.
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Re: E-S Stealth Electric Bike Owners

Postby sethgl » Thu May 03, 2012 2:56 am

Hi All

Just inquiring what type of bike racks for your car you guys are using to transport your stealth bike around. Waiting to get a fighter, ordered through Quite Rush. He was nice enough to let me test ride his fighter. Very impressed, can't wait for delivery.
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Re: E-S Stealth Electric Bike Owners

Postby remf » Thu May 03, 2012 3:06 am

sethgl wrote:Hi All

Just inquiring what type of bike racks for your car you guys are using to transport your stealth bike around. Waiting to get a fighter, ordered through Quite Rush. He was nice enough to let me test ride his fighter. Very impressed, can't wait for delivery.


I've used the Stealth rack to transport the Bomber about 10,000 km to date. I think Stealth have them in stock.
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Re: E-S Stealth Electric Bike Owners

Postby sethgl » Thu May 03, 2012 3:34 am

Hi Remf

Thanks for that do you know roughly how much they are??
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Re: E-S Stealth Electric Bike Owners

Postby remf » Thu May 03, 2012 3:48 am

Can't recall exactly but it was very reasonably priced...maybe $200?. In any case, much less than some other ones I've seen that probably wouldn't hold the Fighter let alone the Bomber.
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Re: E-S Stealth Electric Bike Owners

Postby Paul_G » Thu May 03, 2012 6:37 am

sethgl wrote:Hi All

Just inquiring what type of bike racks for your car you guys are using to transport your stealth bike around. Waiting to get a fighter, ordered through Quite Rush. He was nice enough to let me test ride his fighter. Very impressed, can't wait for delivery.


I added a trailer hitch to my car and use this MC type rack. No way I could lift a Bomber up to put on a bike rack nor would I trust it.

http://www.amazon.com/gp/product/B003E2 ... d_i=507846
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Re: E-S Stealth Electric Bike Owners

Postby remf » Thu May 03, 2012 8:23 am

I am perplexed and intrigued. I just got my Fighter motor back from Stealth after an axle & bearing replacement. I put it back together yesterday & went for a quick spin. Felt great but there was one thing, it felt quicker. Put it down to my imagination. Today I went for a proper ride and it IS quicker. A lot quicker according to the CA.

81.7 kph - 50.7 mph on flat ground after the repairs...66 kph - 41.5 mph before. I can't explain it...some may say my herbal tea is too strong but the CA doesn't lie...or does it? Any explanations that anyone can think of?

On further thought it sounds suspiciously like my no load speed or some kind of spike in the CA...probably the placebo effect.

81.7 kph.jpg
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Re: E-S Stealth Electric Bike Owners

Postby Hyena » Thu May 03, 2012 8:42 am

Got a picture of your stealth rack remf ? Is it along the lines of the one Paul G posted above ? I've been looking at the gripsport one but didn't realise stealth made one too. Theirs is probably the better option as you know it's made to take the weight of a bomber. That said there's bugger all to them and it's not exactly rocket science, just as long as it's sturdy enough.


remf wrote:I am perplexed and intrigued. I just got my Fighter motor back from Stealth after an axle & bearing replacement... Today I went for a proper ride and it IS quicker. A lot quicker according to the CA.

I suspect your "axle" replacement included a new stator as well! Pressing out the axle to swap it (was your old one bent?) and associated messing around is fairly labour intensive and I'd think if the guys were busy it'd be more cost effective to whip the bolts out of one side covers and drop a whole replacement stator in. 10 minutes later and you're done.
81 seems a bit too fast for a stock fighter though even with the high speed wind. Did you actually see that speed while riding ? It wasn't a peak reading during wheel spin, full throttle while jumping or otherwise freewheeling at WOT with the wheel off the ground ?
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Re: E-S Stealth Electric Bike Owners

Postby remf » Thu May 03, 2012 9:32 am

Sorry mate I can't find a photo and it's a long way away but Paul's one looks really good and rated to 500 lb. My one doesn't have a ramp, has a solid tray but limited to 200 lb from memory.

Now that you mention it, I think the axle is a transplant from one that was smoked, so probably not a new stator. The speed reading is weird, must have been those full throttle stoppies:) Can't see the CA while riding.

60 or 70 kph is probably fast enough for me but the ability to do it off-road like you do with your H40 Fighter or a stock Bomber is real nice.
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Re: E-S Stealth Electric Bike Owners

Postby ManxE » Thu May 03, 2012 11:35 am

Just thought I'd share this really useful addition for the Bomber: It's a neoprene cover for the rear shock to prevent it getting clogged with mud. Essential if you live in Britain and Ireland, and now the Aussie drought is officially over, I guess you guys will be into it too! It's actually a mudguard to prevent spray up between the forks of downhill mountain bikes, but seems to fit the Bomber's rear shock nicely. Its called a 'Neoguard' and is made by these guys: http://www.rapidracerproducts.com/NeoGuard.htm
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Re: E-S Stealth Electric Bike Owners

Postby Justtoby » Thu May 03, 2012 12:57 pm

I use a trials bike carrier a bit like Paul's but without the ramp. I have a quick release flanged tow bar so easy to remove etc...works really well.
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Re: E-S Stealth Electric Bike Owners

Postby Paul_G » Thu May 03, 2012 1:32 pm

Justtoby wrote:I use a trials bike carrier a bit like Paul's but without the ramp. I have a quick release flanged tow bar so easy to remove etc...works really well.


No need for the ramp as you can pop the front wheel up on it and power the rear up very EZ on a lower car mount. If you have a high truck mount the ramp will work fine.
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Re: E-S Stealth Electric Bike Owners

Postby Justtoby » Fri May 04, 2012 3:36 am

Paul_G wrote:
Justtoby wrote:I use a trials bike carrier a bit like Paul's but without the ramp. I have a quick release flanged tow bar so easy to remove etc...works really well.


No need for the ramp as you can pop the front wheel up on it and power the rear up very EZ on a lower car mount. If you have a high truck mount the ramp will work fine.


Agreed, I always lift the front wheel in and then the back. A fighter you can just do a straight lift and drop.
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Re: E-S Stealth Electric Bike Owners

Postby GCinDC » Fri May 04, 2012 5:25 pm

Kepler wrote:I am really impressed with the Magura MT-2 brakes also. Very light feel combined with excellent modulation and great stopping power.

i've been eyeing these brakes for a while, for it's seemingly slim profile.

any chance you could measure how wide it is between disc and inside edge where the the motor is?

also, does it come in a rear that can be cut down for use in the front.

if stopping power is good, pretty hard to beat at $100...

reply here, if it's off topic for this thread? thanks.
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Re: E-S Stealth Electric Bike Owners

Postby Kepler » Sat May 05, 2012 5:41 am

any chance you could measure how wide it is between disc and inside edge where the the motor is?

17mm

also, does it come in a rear that can be cut down for use in the front.

The callipers look the same except for the longer brake line on the back.

If they fit, you wont be disappointed. $100 is a crazy price for hydros of this quality.
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Re: E-S Stealth Electric Bike Owners

Postby QuietRush » Sat May 05, 2012 5:19 pm

Re Racks, I've got one of the Stealth factory racks fitted on the back of my bus, will be doing a blog post of it shortly with some pics to help give an idea of how they work. There is a need to still fit a wiring harness and lights to it so that any potential obscuring of the number plate and indicators isn't an issue, so I'm in discussions with John about how we can best progress that for owners.

@sethgl thanks for the mention, always happy to introduce people to my Fighter to help give an idea of what the ride is like and help inform any purchasing decisions. Hardest part is getting people to wait whilst their bikes get built! If you need a refresher ride, just let me know, it can help ease the wait time.
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Re: E-S Stealth Electric Bike Owners

Postby Timma2500 » Sun May 06, 2012 8:54 am

Hi guys, i found this article in an old May 2009 Revolution Mtb magazine, i thought ya's might like to have a read.

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You may have to save them and zoom in to read....


Oh i spotted an Orange Bomber on the back of a ute a few days ago, 1st one i've seen in the flesh. Its a pity i couldn't get his attention, wave him to pull over and have a chat (and direct him to ES). I didn't realise there were any Stealths in Perth so it was a pleasant surprise! :)


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Re: E-S Stealth Electric Bike Owners

Postby ManxE » Sun May 06, 2012 7:02 pm

My latest Bomber video - this time some dirt track antics across the hills of the Isle of Man... enjoy!

Last edited by ManxE on Sun May 20, 2012 3:45 pm, edited 1 time in total.
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Re: E-S Stealth Electric Bike Owners

Postby Rix » Mon May 07, 2012 9:28 am

Hello everbody,
Got an email from Darrin here in the US. He sent me a picture of my bomber from the factory at about 90% assembled. It will be shipping in a few weeks with a newer upgraded battery. Looks like June 2012 will be a great month for me. 8) Can wait. Also, I just got my Lizard Skins neoprene fork and shock covers in. I wil be posting a picture of those soon. They cover the shock and fork legs. Protects the shock shaft and fork tubes (stanchions in MTB speak) from dirt and rock dings which are the #1 killers for the seals. Its Almost go time!!!

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Re: E-S Stealth Electric Bike Owners

Postby Fighter Ralf » Mon May 07, 2012 10:27 am

Seeking the best parameters for the fighters. best acceleration and speed. My fighter is new and has 3000 watts.
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Re: E-S Stealth Electric Bike Owners

Postby Justtoby » Mon May 07, 2012 2:27 pm

Hey Rix, it looks excellent....it's hard to wait but well worth it! Just look at the 10 frames in the background, ready to go $100,000 dollars worth at retail!
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