Local e-bike racetracks

[Whiplash]

I hear ya on the pedaling, I am getting pretty good at keeping up at 35MPH with only a 44T front and 13T I think in the rear! Gotta GO LIKE HELL Though!I practice every day to work averaging about 25ish the whole way, good cardio for sure!

 

[AussieJester]

Last placers or early crashers have to drink a hot beer from the 6 pax placed on the hood of my car.

WoooHoooo free beer i'm in ... :lol:

KiM

EDIT: hehhe just remembered, Luke don't drink, i'll be taking him out first corner so we can laugh at him tippsy of a sip of hot piss tehehe

 

[Tiberius]

Last placers or early crashers have to drink a hot beer from the 6 pax placed on the hood of my car.

WoooHoooo free beer i'm in ... :lol:

WooHoo, free warm beer :lol:

 

[Evoforce]

The first liquor racers, aside from running from the cops, raced each other at the beach on the wet sand.

 

[AussieJester]

Last placers or early crashers have to drink a hot beer from the 6 pax placed on the hood of my car.

WoooHoooo free beer i'm in ... :lol:

WooHoo, free warm beer :lol:

ROFL...be a influx of POMs to this event if word gets out theres warm beer, they'll be lined up at the starting line, flag drops...none of em move,
they all look at each other...then fall over...hehehe

KiM

 

[Evoforce]

I still say 100 lbs or less with pedals e-bike class race. Next class, all those above. If electric motorcycles and gassers show up the more the merrier. Let's have fun.

 

[AussieJester]

I still say 100 lbs or less with pedals e-bike class race. Next class, all those above. If electric motorcycles and gassers show up the more the merrier. Let's have fun.

LoL..my big cruiser is 99lb with all the stabilizers actuators and wheelchair tow assembly installed, suuuurely you guys can get a bike down to 70lbs come on! If i took the big heavy springer and above mentioned garb off, i could add more lipo and still come in under 70lbs
Hrmzzz...maybe i should start looking for a cargo steamer to America, roll to Lukes and crash in his spare room, he won't even know i'm there for a week with his 18 hr work days and attending to his "lady admirers" hehehe...

KiM

 

[John in CR]

Damn AJ, I thought RC stuff was suppose to be light. Sounds like you need get busy with that drill and make about 1000 lightening holes. Mine's about 115lb, and that's with 35lbs of battery and 30lbs of motor with wheel. Are those springer forks that heavy or did you use much thicker tubing?

 

[AussieJester]

Damn AJ, I thought RC stuff was suppose to be light. Sounds like you need get busy with that drill and make about 1000 lightening holes. Mine's about 115lb, and that's with 35lbs of battery and 30lbs of motor with wheel. Are those springer forks that heavy or did you use much thicker tubing?

Yes i have used MUCH thicker walled tubing as i have explained in my worklog, several times & the forks weigh not alot less than the frame. My bike is ~7 foot long John, bit longer than your average bicycle. I have a heavy linear actuator to operate even heavier stabilising wheels PLUS all the linkages to move it, the tow hitch is solid steel bar, all of this adds up, as i said if i stripped this off and swapped in a set downhill tripple crown forks i would be well under 70lbs ... i wasn't concerned too much about weight though more my safety when the bike starts getting up to the speeds i have planned. The motor weighs not a whole lot more than a can or so of coke, combined with reduction drive it weighs less than 10kilo, you know very well rc stuff is light, 44v 20ah pack weighs just ~12lb also including all electronics, enough battery to complete the race and then some.. "reduction drive" is being swapped for a 2 speed box also so weight will be slightly higher with that installed though, the weight though will be offset by the increased performance.

KiM

 

[SoSauty]

AJ, get yourn bike on a diet. What we're gonna have here are 69.9lb electric motor cycles with pedal appendages. Yeah Dogman, I'm 55 with a 5lb mini belly flap. Can hit about 28mph at 110 rpm cadence with 44T big ring and 12T. Whiplash ought to be whirlin' up an' off his bike at 35mph :lol:

OK, I'll look into the Perris track too. (Edit remark; yikes, .9mi track w/ .3mi straight!, isn't there a shorter version in the LA sprawl?) Doesn't rain in SoCal fur sure (sorry, sumner in Alabam drawls' a comin').

My ploy maybe a Schulmp drive. Consistent 120W pedalling for 20 min is my style. Info about pedalling real useful.

Fun thread, what's the topic again?

Me, Safe, and Dogman almost have our own heat going. Any one else want ta' haul their commutter bikes or 1000W racers along and get in a little extra race time

 

[John in CR]

AJ,
Wait, you managed to turn a noisy 1+kg motor into an under 10kg drive unit. IOW, the single RC motor advantage evaporated. Glad to hear you're getting a 2spd box. Can't wait to hear how that works out. To me that's the biggest thing missing in our arsenal of parts, a 2 or 3 speed tranny that can handle the torque of our motors.

 

[etard]

Sosauty,
I actually think that long straight will be good for those racing with aeorodynamics an efficiency in mind, otherwise it could be more about rider and tires carrying speed through turns that the bikes acceleration and speed.

TBH, I think a go cart track for us is kinda overkill at this stage unless at least 20 riders show up. I also think that if we do this, the offer and challenge to a race should be offered to our ICE powered brethren, if not anything but to fill out the ranks and pay for the track. Also, spectators are not a priority, pit crew and track staff, that's it.

What do you guys think about racing on groomed dirt? I passed by this lil homebuilt track the other day that would be perfect for us. It has so many options for track layout. We could do something like this most anywhere. Just use stakes and caution tape to rope off an agreeable track or two for different style racing. It even has a dirt oval around the whole thing which coul be used to add more distance. With a small water truck, a bobcat with some sweat and labor we could make this happen most anywhere.

 

[AussieJester]

AJ,
Wait, you managed to turn a noisy 1+kg motor into an under 10kg drive unit. IOW, the single RC motor advantage evaporated. Glad to hear you're getting a 2spd box. Can't wait to hear how that works out. To me that's the biggest thing missing in our arsenal of parts, a 2 or 3 speed tranny that can handle the torque of our motors.

I guess i didn't explain things very clearly appologies, once you add up the chains and steel sprockets of the reduction drive John, the drive unit itself the mounting hardware, the reduction drive cover its more than just the weight of the motor but still less than ~10kg I was being fair and counting reduction drive as part of "rc setup" when really its not essential you can run one stage reduction with one larger rear sprocket (as Thud has done, he uses a Lexan rear sprocket) in which case the weight of a 'rc setup' would be just the motor. If i had to guess i would say it would be in the vicinity of 8-9kilo motor/drive unit chains sprockets and mounting brackets....still lighter
than a big frock and you get to place the motor where you want to get best weight placement for the bikes handling, you
also have the advantage of changing gear ratios John, so no, IMHO the advantage has not 'evaporated' at all, far from it
I can also run on 44v worth of batteries don't need to lug half the weight of the bike in packs to get speed....

And yes i have been wanting the two speed since Thud posted his prototype mounted on his red BMX, 2 speeds i can't express how
grateful i am Thud has made one available for me, it is what i really need up hear in my area, especially towing
my chair up these damn hills I have to go fast if i go slow it smokes things, with a low range gear i can protect
the motor and electronics more.John ...it's definitely what the frock needs! if the frock had a
mechanical two speed even i could them myself the whole changing rear wheel size and/or upping battery
voltage as the only means to gain performance doesn't sit well for me.

KiM

 

[Whiplash]

Hey the dirt track could be cool if we keep the dust down, we could even have some berms to make cornering a bit more fun! Do you have any place in mind?

 

[gestalt]

I'll second the dirt track notion. If for no other reason than to get around the whole insurance costs which are probably the bulk of track fees. Lawyers are to life what condoms are to sex, a dirt track with lighter restrictions and lower profile would be a low cost alternative for anyone doing more of an off road build.

 

[dogman dan]

Exactly what I was saying earlier, for a local race unlikely to draw more than a half dozen riders, a dirt track, dirt road, or even a secluded place for a highly illegal street race would be best. I believe that was the origins of the Death Race, some out of the way paved road out in the boonies.

 

[Evoforce]

I like the idea of having some straight track for racing as well as some racing on curvy track. Don't know if a dirt track would keep many road bikes from paticipating since that is what most of us are producing.

 

[AussieJester]

I like the idea of having some straight track for racing as well

Like to see some 1/4 mile and 1/8 mile time of these purpose built e-race bikes for sure !

KiM

 

[Whiplash]

Yeah, drag races would be fun!

 

[SoSauty]

So many possibilities There was a thread a year or more back, think top speed for 100 ft drags. Seems most our machines peak out pretty quick. Eight mile a hi-speed challenge and 1/4 mile beyond a challenge.

OK, dirt track idea, many?most e-bikes are pavement machines, yet, I believe a good percentange are Mtn bike frames with street tires. Love to rent and manipulate land with those Bobcats. 2 acres land some places, can be ?4/8 K. Insurance, rough luck, so sue me for my credit card debts. What about scrambles style? 1/3 or 1/4 or 1/10mi banked oval with some righty/lefty turns infield with a not so high smooth jump; or a fig 8 over/under? Robust touring or universal tires of sorts. Gotta be smooth so to not require full suspension.

Then there's BMX tracks that can be run mult-lapped? Seems my local bmx finishes 25' alongside the start and riders can circle back to the start. Catching air and high turns are jazzy but too tight for top speeds. Might be bees knees for off road Mtn style.

Do we need a track poll?
1 .5mi+ hi-speed cart track (Spooky Tooth DR)
2 .25mi or tight indoor track
3 smooth scrambles dirt
4 oval dirt
5 bmx track
6 drag strip (1/8mi?)
7 hill climb

Someone may want to start a new poll thread along this thought. This thread has been hither an' there there.

(Thud; even a 1/10mi. scrambles track could work, yet some like 600yd straights while some of us see the 150' straights of a 1/10mi oval as sufficient: quite a spread!)

Mom'n law bought a $43,000 2acre lot w/ an older trailer home on it (as investment) in OK last year. Anyone want to buy 2 acres outside a city w/ InterNat Airport, put RV camping hookups and track on it? What about some of these campground/amusement parks, This one, near Chattanooga TN has a 630' curvy oval.
http://raccoonmountain.com/Racoon_Mtn_RV_Map-Low_Res.pdf

 

[Thud]

one more potential venue...1/10 or less flat track...it could be clay or concrete. true short track type racing. think "SPEEDWAY" style racing... could be done inside at an abandond kmart or wharehouse.

I would love to get back down to Ohio & run some hot laps on that 1/10mil clay oval. perfetct for this sort of action.

 

[yopappamon]

My short attention span keeps me from reading long threads like this, but someone said you are looking for places to race. They have car races on the old El Toro Marine base runway.



There is also a dirt motor cycle track that looks nice that I've seen off the 55, don't know anything about it but....Squirrel!