Deafscooter Build off "Limo Monster Scooter"#2
New Topic added ==>>> Deafscooter Build off "Limo Monster Scooter"#2
the other topic got full topic and i move to new topic for addon new topic
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Deafscooter added Key Locker to Battery and Neck of limo elecitrc scooter
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Next topic==>>
Deafscooter got Customer Request this " the handle to detach & folding secure on stem "
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Customer wanted this one design like this one But Deafscooter not allow or approve on it
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Now it Recalled on "toy scooter with knob secured to three parts Steering T-bar on Stem"
Read this one ( Warning un-safety to ride with loose or break scerw / bolt on steering )
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Think on Safety design the Custom made Limo Electric Scooter and stay slow down ....
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Craig Uyeda
Deafscooter
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Any Question --> email--> Deafscooter@yahoo.com
Customer called me & he want use "Y" bar and modified the folding on "Y " handle bar
make 45" Turning to folding with remove knob then turn down and put folded stem
and the two knob should not be loose in place ( deafscooter dont responsible if he forget
to tight the knob while ride the scooter it will get big mistake to accident to hurt or break )
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Here is update picture what i drew the draft the "Y" handle bar to be modding the folding...
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What you think it Safety or Danger ? >before i build for them a Custom "Y" Bar with folding
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any question => Email==> deafscooter@yahoo.com
Deafscooter Build off Custom Made Sprocket for Correction Speed/Weight Ratio
I use special Military type Alloy Alum Sheet to Milling into 44T Sprocket for limo
=> How i done with this Build the sprocket ( but i cant show you the machine. )
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The Rear Tire is 10 Inches (( Tire Circumference ->> 31 inche ))
For 24 Volts System
12T on motor drive
44T on Rear Wheel
Gear Ratio is 3.66:1
Motor Rpm is top 5000
Speed to 40.1 mph
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15T on motor drive
44T on Rear Wheel
Gear Ratio is 3.66:1
Motor Rpm is top 5000
Speed to 50.3 mph
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=>Dangerous high speed <=
Warning do not try in home
Note: short motor lifespan
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For 48 volts system
12T on motor drive
44T on Rear Wheel
Gear Ratio is 3.66:1
Motor Rpm is top 12000
Speed to 96.7 mph
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15T on motor drive
44T on Rear Wheel
Gear Ratio is 3.66:1
Motor Rpm is top 12000
Speed to 120.9.3 mph
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Craig Uyeda
Deafscooter
maybe it will be safer if instead of a screw, you use a clip like my trailer has for attaching to scooter:
this will not come out while under way:
Here is Near Finish the Build off the Limo Scooter for now & look good design ?
the "Y " handle Bar will Modding to "folding" handle see above This Vis topic..
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I wait for Customer have approve the Trunk look too tall than requier size....
If no then i have no choice for customer decde to buy his own Box like case
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Today i have running out Argon Tank for need to do Welding the parts to finish
I wait for them to pay rest of money, before i resuming the work the final scooter
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Here is Picutre look Nice design and Deafscooter build 85% from scratched into
Limo Scooter also Deafscooter build own custom Motor, Sprocket , Frame work.
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Craig Uyeda
Deafscooter
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Any Question ==> email -> Deafscooter@yahoo.com
Craig -----Looking great !!!! Keep us updated !!! God Bless :)
Secured
Craig,
Looking good - almost finished.
Are you sure on those speed figures? Are those "no load" RPMs? If so, then I'm surprised that the 48V figure is more than twice as much as the 24V figure. I guess those are theoretical top speeds based on no load RPMs? In which case your actual speed is likely to be a lot less (drag at those speeds are going to be VERY significant).
You could use a copy of this spreadsheet and enter your own figures for weight, Cd, A etc:
http://www.editgrid.com/user/jdh2550/CB-72V - it's explained in a bit more detail here: http://visforvoltage.org/forum/2199-required-vs-available-torque-spreadsheet
That won't get you spot on but it would be closer. I started a sheet - and made it public writeable - use it if you want: http://www.editgrid.com/user/jdh2550/LimoScoot - it's got a bunch of wild guesses in and it doesn't have any available torque figures - I did see you did dyno runs so you should have some to plug in, right? :-)
BTW, updates made to the spreadsheet will show up here:
BTW you have a typo in your figures: 44:15 is 2.93 and 44:12 is 3.66 (both ratios say 3.66)
Good luck with finishing it off - it looks great!!!
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Jdh2550_1 on Wed, 10/17/2007 - 19:29. => Thank for correction Typo
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Here is Correction on typo in My figures: 44:15 is 2.93 and 44:12 is 3.66
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Craig Uyeda
Deafscooter
Craig - what are the RPMs for these three data points:
(a) 462 in-lb / 42.2 V / 625A - 5 seconds
(b) 218 in-lb / 19.7 V / 250A - 2 minute
(c) 75 in-lb / 14.8V / 74A - 15 minute
If you have access to those RPMs then we can add available torque curves to the above graph and calculate top speed.
Submitted by jdh2550_1 on Thu, 10/18/2007 - 06:06.
Craig - what are the RPMs for these three data points:
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Dyno test setting is 1000 RPM & force for loaded Volts,
high Amps to feeding motor to heat up to shut down
This Dyno handle for maximum out the peak power..
Craig Uyeda
Deafscooter
Deafscooter Remove the Monster Motor off from frame then Craig using 4000 watts motor
installed to Limo Scooter for RoadTest ( safety for slow speed to ride and test for braking
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The 4Kw motor from my Long range Beach Side Wrad Deaf Bike Riding - Electric scooter
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Reason I dont want use monster motor on first time road test it can dangerous to power
too Fast on street. that my safety reason to use 4000 watts and 24 volts batteries packs
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to riding for 1 hours around the neighbor areas street and I logged about 15 miles ride
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Here i run to Acceleration to speed up to maxiuim is 22 mph ( 24 Volts, 4kw motor )
and crusin speed is 17 mph for good around the areas also i force push full throttle
Front wheel get lifting off the ground then go fast then slow down to brake down stop!
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Here is picture i run road test on limo scooter with 4000 Watts motor with 24 volts battery
and Craig wear SafetyGear on body rode around the street for one hour today it enjoy ride
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Craig Uyeda
Deafscooter
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Any Question --> email to Deafscooter@yahoo.com
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Secured
I've just got to comment on the craftsmanship and design, it looks really great!
I would have commented earlier, but was away from a computer for a week. My comment is in regards to the top box used on the rear of the scooter. The box I purchased was exactly like the one you have and I too found the dimensions to be unattractive. My solution was to simply cut off a portion of the bottom and fiberglass in a wood bottom. It was very easy to do and yielded good results. So, at some point in time, it would be an easy project to get your fantastic scooter looking "just right". Good luck and thanks again to both builder and owner for sharing the project in such detail. I'm sure I'm not the only one who appreciates seeing how this project came about from the ground up to finished product. One more tip form me. For a traction pad for my feet to stand on, I bought a piece of mat for personal watercraft and it works great. I think it is called Hydro Turf. It gives a little added cushioning, has good non-slip properties, and looks good too. Just my 2 cents worth. Skate board sandpaper mat works o.k., but will not last nearly as long and gives no cushioning.
Monday Oct, 22, 2007 @ 9 30 am ( I talked with customer over IM about Safety issue )
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I spoked to customer of limo scooter about power shut down device (Solenoid )
for safety issue to inside neck of limo scooter ( motor shut down device )
on case emergency ==>> if throttle get stuck full power then push shut down
the Mosnter motor ==> ( Deafscooter said Required to install Safety Issue Device )
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But.
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Customer definitely not want be install the SOLENOID & Fuse inside Scooter Neck
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Customer want use battery Charger station install in inside the limo scooter' Neck
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what you think what they say No Solenoid inside Neck of scooter => it could dangerous !!
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all Vis Friend need poll for vote choose one of ( Fig. __ )
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( Fig. 1 ) required to install Solenoid inside neck ( safety shut down in case emergency )
( Fig. 2 ) not needed solenoid inside neck ( very risk for customer to death after stuck )
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Here is Picutre of Draft what ( Bottom of Picutre what customer want ...... )
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Simples to Hook up with Safety Device to Shut down monster motor when emegnecy
Hitting the panic button will send a note-off to all Power force shut down, stop motor!!
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Poll ( vote on Fig 1 or Fig 2 ) --->>> Email ==> Deafscooter@yahoo.com
I'm still not sure what a Solenoid does or how it does what it does or why I'd want it to do what it would do.
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Here simple thing is Easier Battery Charger and Jaw Chain secure the scooter
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Also
the case if you need Carry Laptop on scooter trunk also can carry your camera
or charger or lockable chain or Food ( lunch box ) or bring your "B B Air Gun! "
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That what ideas Up to customer Decide to choose this what he want one or other
before i work on it Final Phase the scooter before i shipping to new owner ..........
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Craig Uyeda
Deafscooter
Listen to Craig. There are some others on this forum who have, in the past, suffered some bad injuries due to the motor getting stuck (fused) in the full throttle position. There were even some pictures of road rash as I recall. Not a pretty sight. A scooter as heavy as yours with a stuck wide open throttle would case you and possibly others major harm!
Your case choices are all better than mine which is secured to the scooter and not than sturdy. Mine is Chinese "crap" box but all I had at the time. I am using mine for a third battery so do not need to ever remove it. I vote for the builder's idea...you can't go wrong with that amount of experience.
The solenoid is like an emergency gas valve at a gas station or circuit breaker on a house. If something goes wrong with the controller that powers the motor the motor can take off FULL SPEED with you on it! PLEASE use the emergency cutoff!!
Matt
All Picture removed because Secured ( Deafscooter heard from kid tried Build a copy Scooter Design )
If the speed controller puts out too much power, that's what the fuse is for. Right?
The fuse is for overload protection - like a circuit breaker on a house.
But it the controller goes bad it can go full speed and the fuse is designed to handle full power from the controller so it will not blow.
Think of the accelerator pedal on a car getting stuck full throttle with out the transmission or clutch it would be disastrous.
Matt
amp_head, thanks for explaining this to me ... I appreciate it! I'm not trying to be dense ... but if the accelerator got stuck in full and I didn't have a clutch, couldn't I still just turn the key off?
Here is Wire setup for limo Scooter ( read this setup the Schematic setup into scooter
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Deafscooter Requier Solenoid install for more safety Issue for High powered Scooter
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Customer want No Solenoid installed what he asked me for dont need Solenoid on it
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This Final Phase what he want this one ( bottom ) without the solenoid be install on it
Craig Uyed
Deafscooter
---->> Any Question ==> Email ==>> Deafscooter@yahoo.com
amp_head, thanks for explaining this to me ... I appreciate it! I'm not trying to be dense ... but if the accelerator got stuck in full and I didn't have a clutch, couldn't I still just turn the key off?
No probs. I just hope I am explaining it well enough. Yes, you could click the key IF you could reach it and IF it still works. If the controller shorts out it could bypass the key circuit entirely.
This might make more sense. If you took the wires off the battery and hooked them directly to the motor the motor would spin but if you take the wire off of the battery it stops spinning. Now, if the controller gets welded shut the motor is now hooked to the battery, now you have a run away scooter with you on it. :) The solenoid goes between the battery wire and motor and can disconnect the motor in case of a run away scooter.
Matt
if the accelerator got stuck in full and I didn't have a clutch, couldn't I still just turn the key off?
Yes in a car you have that option. But to counter your remark if you drive newer car you can't turn the key off unless you step on the brake or shifted to parked. Now imagine you driving a car and the gas pedal is stuck to the floor, and shifter does not work. No clutches either just simplify your thinking. If you just step on the brake while engine is on full usually brake will wear and car won't slow much. Now imagine you have a fail safe which remove the gas tank from the fuel line. No fuel getting feed to the car. Yes it will stop and stepping on brake will stop the car.
Over to the scooter. The fail safe switch or solenoid will be like that connection between battery and the whole scooter all together. Even between the controller. So if your controller goes nuts and went kamikaze. You press the failsafe/solenoid and it's like ripping the battery from the scooter. No juice/energy to controller or motor letting you brake and slow down. Much safer than pulling brake while engine is pulling on full strength huh?
BTW any chance craig could weight that scooter when it's loaded with sla and the total package. I can imagine that whole carry system thing is a little futile for this use
Secured
Deafscooter builfoff mock the "hook" to secure the stem for lifting the scooter
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wide size on Steering handle " Y " or " T " style to stem make sure fit inside..
Limit width ( folding down ) to stowed into metro Train or Car's tight trunks
Compare 28 inches or 20 inches ( i can cut off down to 12 inches max on "T" )
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Look at Scooter sterring stem and handles ( customer requested is 36 inches )
From Deck to handle height .. look at Ruler on Deck level to handle as picutre
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Down to folding ( note check on stick out the handle off from side of scooter
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Lifting and carry the Limo Scooter with one or two hands to bring into Metro Train
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Craig Uyeda
Deafscooter
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Any Question ==> Deafscooter@yahoo.com
deafscooter