Hyena's e-bike builds (now with HD video)

[Hyena]

Now that I think of it, we should have hit Yosemite at night. Maybe would have seen big foot or something.

Or been eaten by a bear :lol:
But yeah that would have been cool if we'd planned to bring lights, but remember due to the road closures we didn't get finished building your dads bike until midnight so it would have been a late one. I'm just pleased the forecast rain held out until we were leaving.

I recognize that trail from one of your other vids. It was the tight trail that you shot hauling ass on during the day time when you responded to one of Full throttle's comments.

You mean this one ?

[youtube]7nIM0WYdSUU [/youtube]

If so no that's another place, miles away. But tight trails like this with simlar native vegetation all look much the same I guess, especially of a night.
I dont think I posted a video of this exact spot before. As I said I've only ridden it once in the past and there were too many people around to unleash. As it was I had no idea what was around the next corner and at speed with minimal forward visibility I could have come unstuck at any moment. And with the fast acceleration a few times it went from being manageable to too fast in around 1 second. You can see a few times when I boosted the speed I started to run "wide". I use wide as a relative term given the track in points was only around 3x the width of my tyres and I was clipping my bar ends and shoulders on passing vegetation!

 

[Rix]

This video is not the one I was referring too. Now I got to go back and find it. You only have like 300+ vids out there. So that night ride, was that with your batshit fast cromo clone hub motor you had on the fighter during the making of your movie?

Rick

 

[Hyena]

It was actually with a H4065 24S (72v rated not what stealth is calling the same for 48v).
It's nearly time to retire the batshit motor. It's just too fast for what I use the fighter for and with the top speed being 100 odd the thing leaps away on your when you just lean on the throttle. Gotta find a 6 foot tyre lever now to get those moto tyres back off!

In other news, it's halloween here tonight in Australia and while it's not nearly as big as in the US my youngsters were keen to head out trick or treating in the local steets. Only 1 in 5 houses were "participating" so once my youngest got tired and wanted to go home I took my big boy (nearly 5) out on my fighter to complete the mission. Going door to door on the fighter we covered 5 streets in 10 minutes and netted bulk loot. Next level ebike halloween manoeuvre

 

[Rix]

AWESOME Jay!!!!!!!!!!! You just gave a great idea of trick or treating with my 2 year old. Now it can be a blast for both of us on the Bomber. Good thing my girl friend is working, or we would have to trick or treat by her rules. Get some tire spoons with 16" long handles to dismount the tire. Lots of leverage. Sorry you are retiring the batshit Cro Clone. Sounds like it would be an awesome motor and wind to run on a low voltage 12s at 125 amps for off road use. On 12S good for about 33MPH (56-57KPH) with tons of torque. What do you think?

Rick

 

[Hyena]

Yeah if it wasn't for my younger one too I could have set out from the get go on the fighter, maybe even dressed as the headless horsemen to scare the kids :lol:
There was a lady out with her kids dressed as a witch with a green face. I said to her "that's a good outfit, I thought you were wearing a mask at first but I see now that it's just green face paint" and she's like "yeah this is just my regular face" oops, that came out a bit more insulting than I'd intended :lol:

New vid: there were 2 major crashes on the highways and main roads near my house yesterday morning. Traffic was banked up for miiiiiiles and the normally quiet suburban backstreets became a parking lot as traffic tried to find another way through.
Problem ? NOPE !
I've been wanting to do a mario video for a while and this one seemed fitting

[youtube]yBIg9FeoHkA[/youtube]
edit: wrong link

 

[Rix]

Yep, one of the many advantages of having an Ebike....resolution to traffic congestion. Editing was spot on.

Rick

 

[Bill Nye the science guy]

lol, great job!

 

[jansevr]

nice video. you gotta love cars like the one at 2:50...so many people just seem to have no clue about their surroundings or respect for bikers. im glad that most of the main roads around where i live in Milwaukee (Wisconsin) have bike lanes.

 

[Hyena]

you gotta love cars like the one at 2:50...so many people just seem to have no clue about their surroundings or respect for bikers

Actually I'm pretty sure he was just being an asshole and trying to block me in. You can see he moved as close as he could to the parked cars then slowly held me there despite a gap ahead. I then sat back until he passed the side street - it's a trap for young players taking a slow moving car on the inside when approaching an intersection.
I suspect he was either dirty he'd be sitting in traffic for an hour and I was getting through or just doesn't like bikes in general. Out of the 50-100 cars I pass in slow traffic on a daily basis there's always 1 or 2 who exhibit this sort of behavior. I go past then they get a gap and race ahead, then get stuck again and then deliberately move their car as close to the gutter as possible to prevent me passing. Of course this poses the most minimal of delays for me, and actually gives me enjoyment knowing they're mad enough to act like a knob. It's all the sweeter when they shout abuse. "oh you're stuck in traffic ? that's a shame, it couldn't have happened to a nicer guy..."

 

[jansevr]

hahah yea thats what i mean, its either a lack of respect and them just being a knob...or ive run into some people (literally run into - once) people who just have no idea of whats going on around them. in this case it was an older lady who turned right in front of me (we were both going the same direction - i was slightly behind her in the bike lane) with no blinker and with hardly slowing down. i barely had time to hit the brake and turn slightly - i hit her passenger door going about 20mph and left a real nice gash with my handlebar. i somehow managed to not even fall down...my forearm hit her window after the impact and i stayed standing against the car while the bike fell off to the side. it could have been much worse and i was lucky to ride away without any injuries to myself or the bike!

but it is funny how some people seem to get so mad about passing them :lol:

 

[argh]

G'day Jay,
I haven't spoken in a while so I thought I'd drop a post to your forum.
Yeah, I know it's probably the wrong place to post this so I'll add a video of a "Hyena" build with me being a ratbag.
[youtube]QUaihLuXNVk[/youtube]
I got so much enjoyment from riding the ebike that I crossed over to the dark side and bought myself a Suzuki DR-Z400SM. But, if you organise a Sydney group ride at least I can be green for a weekend!
Cheers
argh

 

[Rix]

Argh, that was a good ride you had in the vid. Smooth terrain all of the way.

Jay, here is my dad's finished ebike with your Neutron Kit. It handles better than my Bomber even though not as fast or robust. Probably due to the lighter weight of 65# and the Karpiel's DH geometry. Your lipo pack is mounted on the frame with custom aluminum brackets and that tube we used in Yosemite on the other bike. Came out great, handles fantastic. Yep, all he talks about is your kit.

Rick

 

[GCinDC]

[Stealth fighter riding sea cliffs

a LOT of nice shots to add to this year's highlight's reel, Hyena!

somebody had some sense when they protected those stretches of land. absolutely gorgeous...

 

[Hyena]

I'll add a video of a "Hyena" build with me being a ratbag

Ratbag indeed! You had a fair bit of pace up there mate, all well and good when there's no one around but you were a bit close to pedestrians on a shared path considering you were probably doing 70km/hr in parts...
I suspect a few might who were unaware of your presence a split second prior may have called out your user name as you blew by them :lol:

I got so much enjoyment from riding the ebike that I crossed over to the dark side and bought myself a Suzuki DR-Z400SM. But, if you organise a Sydney group ride at least I can be green for a weekend!

Nice, I'm actually in the process of switching to the darkside myself. Well, not switching, but taking up some of the dark arts as well.
I feel a bit silly going back to having L plates at my age but it's only for a few months. Not sure what I'll get yet but Honda's special on brand new CBR250R's and the repsol (not that I like the colour scheme and decals) for 4990 ride away is hard to pass up. I also went for a ride on a mates VTR250 on the weekend which I like the look of and prefer the V twin engine but for all the hassle or rego, insurance, license and following the road rules they really offer little over my stealth fighter in terms of performance. All the more encouragement to convert to electric. I'd still want to do something lighter like a madass, but I kinda want a 'proper' bike too...

Jay, here is my dad's finished ebike with your Neutron Kit. It handles better than my Bomber even though not as fast or robust.

Nice one Rix. No doubt his old bones will appreciate the suspension. Hell even my bones are getting a bit old to go belting around offroad on a hardtail these days :lol:
It's hard to see from the photo but have you got some protection on the pack ? That's a must, even if he's taking it easy accidental drops and mishaps can occur. A pelican style case or bag on the bars is another option. It adds a little weight to the steering but doesn't affect handling too much especially if he's not chucking it around. The benefit is it keeps the battery protected and neat looking and is out of the way for pedalling too.

a LOT of nice shots to add to this year's highlight's reel, Hyena!

Cheers mate.
Damn, not long to go until we need to start working on the 2013 highlights reels huh !?
You seen my youtube channel trailer ? That's pretty much this years highlight reel up to that point.

 

[ManoisEscobar]

Yeah that definitely looks a bit too quick to pass people. Sorry to bitch, but you have to make it 100% idiot proof. Just slow down to normal bike speed or cut out onto the grass if that's safer. I see a tonne of elderly people walking along bike tracks and I'm sure they frighten easily.

Besides you get to accelerate nice and hard once your pass them. My petty 48v setup is jelly.

 

[Jolly Jumper]

G'day Jay,
I haven't spoken in a while so I thought I'd drop a post to your forum.
Yeah, I know it's probably the wrong place to post this so I'll add a video of a "Hyena" build with me being a ratbag.
[youtube]QUaihLuXNVk[/youtube]
I got so much enjoyment from riding the ebike that I crossed over to the dark side and bought myself a Suzuki DR-Z400SM. But, if you organise a Sydney group ride at least I can be green for a weekend!
Cheers
argh

Yeah that definitely looks a bit too quick to pass people. Sorry to bitch, but you have to make it 100% idiot proof. Just slow down to normal bike speed or cut out onto the grass if that's safer. I see a tonne of elderly people walking along bike tracks and I'm sure they frighten easily.

Besides you get to accelerate nice and hard once your pass them. My petty 48v setup is jelly.

I have to agree ME when the wind blows from front they not can hear you coming from behind and get spooked and we want not shine a bad light on e-bikes.
Do a little ring with your bicycle bell or install a little phone speaker on your bike and hear your musik

works for me 8) they hear you coming and dont get mad at e-bikes...

I have nothing against speed when the line of sight is clear but the corner you have taken too fast "immagen a other person did the same with e-bike on opposite direction"

 

[Rix]

[quoteIt's hard to see from the photo but have you got some protection on the pack ? That's a must, even if he's taking it easy accidental drops and mishaps can occur. A pelican style case or bag on the bars is another option. It adds a little weight to the steering but doesn't affect handling too much especially if he's not chucking it around. The benefit is it keeps the battery protected and neat looking and is out of the way for pedalling too.
]

[/quote]

those are custom made aluminum square half box sides that the Lipos sit onto. Then a thin piece of carbon fiber lining on the out side portion of each lipo pack. My dad says his model airplanes lipos have survived high speed crashes and not caught on fire because of lining the lipos with thin carbon fiber skin. Should be good enough to survive a crash. Thank your for the comment and I will convey your concerns to him.

Rick

 

[Hyena]

when the wind blows from front they not can hear you coming from behind and get spooked and we want not shine a bad light on e-bikes.
Do a little ring with your bicycle bell

The problem is multifactorial really.
A: Most people walking on shared paths have headphones in so won't hear you if you ring your bell anyway. If they they get a fright as you go by then that's their issue but at the same time you shouldn't passing them just inches away at silly speeds
B: Blind corners like highlighted are a recipe for disaster - get a lycra coming the other way and you've got a head on impact at a speed of around 100km/hr. No guesses as to how badly that could end. Worse still a little kid on a scooter or similar
C: At a speed of 60km/hr (which argh was easily doing in many places) that's around 16 metres/second. They teach you in motorcycle training that on average the human reaction time is 1.5 seconds. That's for a forward facing visual cue like a car pulling out in front of you, or an accident or what ever. Based on my experience on pedestrian reactions to a ringing bell (auditory cue, from behind) it's probably a good 2 seconds before they respond, often more. They have to recognise the sound of the bell, that it's coming from behind and then turn around to see where you are. Some people move straight over but most will turn around to see where you are. I find that if I'm moving at a moderate pace I'm ringing the bell for a second time and almost on top of them before they turn around or start to move over (walking in the centre of the path)
So by the time the average ped recognises your bell and starts to turn around or move over you're atleast 30m closer to them (at 60km/hr)
So if you're travelling at speed you have to ring your bell early, probably 50m away to allow for reaction time and them to move. The added catch 22 in this case is they recognise a bell a fair distance back so dont tend to respond with an sense of urgency as they think they have plenty of time to move over.
The simple and common sense answer is not to ride recklessly around peds, or other bikes for that matter too. You can't control for the unexpected but on shared paths like this even if you think no one is around you should expect that there will be. I only open it up when I have a clear view ahead and otherwise only travel as fast as I am confident I can come to a complete stop in the distance that I can see ahead.

Speaking of bike paths, on the way home yesterday I experienced a first after years of near daily riding - an ebike tank slapper!
It caught me off guard, as these things inevitabley do, but it was quite strange as I was on a dead straight, smooth track (small bump prior) and had just backed off from accelerating. I was only doing about 45km/hr too and this bike is normally dead stable at speeds of 60+. Infact I could ride for miles without hands on the bars.
I thought at first my front QR axle had come loose but it was fine. Curious.
I got it on vid, will upload tonight.

those are custom made aluminum square half box sides that the Lipos sit onto. Then a thin piece of carbon fiber lining on the out side portion of each lipo pack

Ah ok cool, all good. It was hard to tell from the photos, I thought it was just duct tape. You wouldn't be the first or last person to just duct tape an exposed lipo pack to a frame and hope for the best! :lol:

 

[Jolly Jumper]

when the wind blows from front they not can hear you coming from behind and get spooked and we want not shine a bad light on e-bikes.
Do a little ring with your bicycle bell

The problem is multifactorial really.
A: Most people walking on shared paths have headphones in so won't hear you if you ring your bell anyway. If they they get a fright as you go by then that's their issue but at the same time you shouldn't passing them just inches away at silly speeds
B: Blind corners like highlighted are a recipe for disaster - get a lycra coming the other way and you've got a head on impact at a speed of around 100km/hr. No guesses as to how badly that could end. Worse still a little kid on a scooter or similar
C: At a speed of 60km/hr (which argh was easily doing in many places) that's around 16 metres/second. They teach you in motorcycle training that on average the human reaction time is 1.5 seconds. That's for a forward facing visual cue like a car pulling out in front of you, or an accident or what ever. Based on my experience on pedestrian reactions to a ringing bell (auditory cue, from behind) it's probably a good 2 seconds before they respond, often more. They have to recognise the sound of the bell, that it's coming from behind and then turn around to see where you are. Some people move straight over but most will turn around to see where you are. I find that if I'm moving at a moderate pace I'm ringing the bell for a second time and almost on top of them before they turn around or start to move over (walking in the centre of the path)
So by the time the average ped recognises your bell and starts to turn around or move over you're atleast 30m closer to them (at 60km/hr)
So if you're travelling at speed you have to ring your bell early, probably 50m away to allow for reaction time and them to move. The added catch 22 in this case is they recognise a bell a fair distance back so dont tend to respond with an sense of urgency as they think they have plenty of time to move over.
The simple and common sense answer is not to ride recklessly around peds, or other bikes for that matter too. You can't control for the unexpected but on shared paths like this even if you think no one is around you should expect that there will be. I only open it up when I have a clear view ahead and otherwise only travel as fast as I am confident I can come to a complete stop in the distance that I can see ahead.

Speaking of bike paths, on the way home yesterday I experienced a first after years of near daily riding - an ebike tank slapper!
It caught me off guard, as these things inevitabley do, but it was quite strange as I was on a dead straight, smooth track (small bump prior) and had just backed off from accelerating. I was only doing about 45km/hr too and this bike is normally dead stable at speeds of 60+. Infact I could ride for miles without hands on the bars.
I thought at first my front QR axle had come loose but it was fine. Curious.
I got it on vid, will upload tonight.

those are custom made aluminum square half box sides that the Lipos sit onto. Then a thin piece of carbon fiber lining on the out side portion of each lipo pack

Ah ok cool, all good. It was hard to tell from the photos, I thought it was just duct tape. You wouldn't be the first or last person to just duct tape an exposed lipo pack to a frame and hope for the best! :lol:

I agree full to A & B (oncoming crashes always get there speed additioned so impakt energy gets more destructive)
But C its average 1.5
For guys in there best yeahrs and ego-shooter trained its sure under 1 secound.
I drive when i drive over 30km/h allways with 2 fingers on both brake triggers that gives best brake reaktion. And is much faster as a car driver ever could move his foot to the brake.
Yes some ped´s move instantly there head to you and some make a full turn after 2 secounds and other don´t turn or watch just step on there side more. But moste of them are thankfull not to get surprised by a 60km/h rocket from behind
A short brake for our ped friends to 30-40 km/h costs an e-bike negligible energy so i just do it becouse i want drive e-bike for long and dont want popo get called.
Driving only as fast as your brakes and view field allows is wise and should be teached to every e-biker. (mostly the young and drunken don´t do it)

Iam curiouse what your ebike tank slapper is. Maybe its the bearing in the front axle ?

 

[ManoisEscobar]

Hyena can I get a quote on electrifying this?

 

[liveforphysics]

I've been wanting to do a mario video for a while and this one seemed fitting

[youtube]yBIg9FeoHkA[/youtube]

Video was fantastic, but leaves me confused about something. You overtook a motorcycle in that line of fools in cages. Have Aussie moto's not discovered traffic filtering?

 

[AussieJester]

Have Aussie moto's not discovered traffic filtering?

Certainly have, but like most things here, it's against the law...

KiM

 

[Hyena]

its average 1.5 . For guys in there best yeahrs and ego-shooter trained its sure under 1 secound.
I drive when i drive over 30km/h allways with 2 fingers on both brake triggers that gives best brake reaktion.

Yeah I do the same, more so in traffic when a a car could move over on you or otherwise try to take you out at a slip seconds notice.
I was referring more to a delayed reaction to an audible warning from behind. I suspect that would result in a longer delay than a forward facing visible interaction ?

Iam curiouse what your ebike tank slapper is. Maybe its the bearing in the front axle ?

Front wheel feels fine, it could have been cross winds on the bridge unsettled the bike but it's a strange one.
Here's the vid, with a bonus at the end

[youtube]aBgLHaL8TB4[/youtube]

Hyena can I get a quote on electrifying this?

haha awesome, that'd be prime for electrifying!

You overtook a motorcycle in that line of fools in cages. Have Aussie moto's not discovered traffic filtering?

I suspect that guy was stuck because of his big hardcase panniers, he couldn't fit through the gaps I could. Or as Kim said it's not particularly legal. I thought it was as I see it happening daily but apparently it was only a short trial the govt was conducting earlier in the year (atleast here in NSW) to assess if it improves traffic congestion without impacting on safety. No doubt the nanny state will decide against it and offer a counter suggestion of perhaps banning 2 wheeled transport instead

 

[winkinatcha]

Mmmmmm Tank slappers...

From decades of motorbike experience, tank slapper cause sometimes verges on the voodo, with weight distribution, frame harmonics n all sorts of wierd shizzle... even down to something as simple as an overtightened steering head (First thing to check BTW... )

Often than not they occur on deceleration (looks like the same on yours, H) and are counter intuitive to get out of, as hard acceleration generally calms them down, and you can then brake back down through the "slapper zone"... I used to have a Honda CB900r that would attempt tank slapping at 130 km/hr on decelleration... oftimes difficult to jam on the throttle without side repurcussions at that speed on standard public road infrastructure...

Joe

 

[Rix]

That was some gnarley head shake. I don't think a crosswind would do that by itself. How are you head set bearings? Even if tight, if warn out, could do that. A mystery if thats not the case.

Rick