Toronto Fixed
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Since we are talking electronics, I have an iPod that I rarely use but I think it would get some use if I could play it through my stereo----how can I do this?
Also, I cannot get this song out of my head: https://youtube.com/watch?v=H_KY_d9MQv8
Also, I cannot get this song out of my head: https://youtube.com/watch?v=H_KY_d9MQv8
So I says to Mable I says
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This Saturday. I was thinking we could meet at Kipling Station at the Kiss 'n Ride drop off area. Not sure what time.. anyone? Also, is this rain or shine, wind or calm? There's a good chance it's going to be the ****s out, and I don't particularly relish the idea of going for a multi-hour ride when it's windy and miserable.
Grad Student for Hire
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Since we are talking electronics, I have an iPod that I rarely use but I think it would get some use if I could play it through my stereo----how can I do this?
Also, I cannot get this song out of my head: https://youtube.com/watch?v=H_KY_d9MQv8
Also, I cannot get this song out of my head: https://youtube.com/watch?v=H_KY_d9MQv8
Grad Student for Hire
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Hmm.. I know I've seen guitar amps that run off a battery (Pignose?) How about a car battery (or several, in parallel, depending on weight) and an inverter for an off-the-shelf solution? (Although, I don't think car batteries do well when they go through complete drain/charge cycles)
w/presta heart valves!
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Call me The Breeze
Hmm.. I know I've seen guitar amps that run off a battery (Pignose?) How about a car battery (or several, in parallel, depending on weight) and an inverter for an off-the-shelf solution? (Although, I don't think car batteries do well when they go through complete drain/charge cycles)
THEN you still have the issue of run time. How much power are you thinking? I'd say you'd want at least 50W if you plan to use it in an outdoor environment. Back in my pimped out honda car stereo days my battery would last around 30-45mins before dying in the car. (~400W)
Also, at low wattages depending what subs you're running you might want to think about adding a capacitor to help prevent underpowering your speaker.
Not Superstitious
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We'll see, though, over the weekend it'll probably weigh on me and I'll go get one!
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This Saturday. I was thinking we could meet at Kipling Station at the Kiss 'n Ride drop off area. Not sure what time.. anyone? Also, is this rain or shine, wind or calm? There's a good chance it's going to be the ****s out, and I don't particularly relish the idea of going for a multi-hour ride when it's windy and miserable.
Jonnys ilegitimate Father
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Car stereo amps run off 12V or a bit more DC so just use one of those. You can use "marine" deep cycle batteries for repeated cycling although for a good car amp and a good deep cycle battery you're looking at a fair chunk of cash- and you haven't even got speakers or the enclosures yet. Also, them batteries weigh about 50lbs (not exaggerating)
THEN you still have the issue of run time. How much power are you thinking? I'd say you'd want at least 50W if you plan to use it in an outdoor environment. Back in my pimped out honda car stereo days my battery would last around 30-45mins before dying in the car. (~400W)
Also, at low wattages depending what subs you're running you might want to think about adding a capacitor to help prevent underpowering your speaker.
THEN you still have the issue of run time. How much power are you thinking? I'd say you'd want at least 50W if you plan to use it in an outdoor environment. Back in my pimped out honda car stereo days my battery would last around 30-45mins before dying in the car. (~400W)
Also, at low wattages depending what subs you're running you might want to think about adding a capacitor to help prevent underpowering your speaker.
Last edited by cavernmech; 10-18-07 at 11:42 AM.
Call me The Breeze
I saw active surplus has li-ion cells for pretty cheap, but they're 3.7V. 4 would make 14.8V so I guess you'd have to be sure the amp could run on that OK (my guess is yes, but that's just a guess)
there's also the sealed lead acid batteries I just got for $2 each that are 12V 2.3Ah
1.2V Ni-cad batteries are pretty easy to come by. 12 of them would give you the same voltage as their system and it would be reasonably light and compact.
If you're thinking for Sprints, which last about 2hours:
30W/12V= 2.5A X 2hrs = 5Ah+ some sort of a fudge factor for losses (temp, less than perfect charge etc) 3 of those batteries would give you 6.9Ah at 6lbs weight.
(each battery is 7x1.5x2.5")
I assume the iPod runs off it's own battery?
there's also the sealed lead acid batteries I just got for $2 each that are 12V 2.3Ah
1.2V Ni-cad batteries are pretty easy to come by. 12 of them would give you the same voltage as their system and it would be reasonably light and compact.
If you're thinking for Sprints, which last about 2hours:
30W/12V= 2.5A X 2hrs = 5Ah+ some sort of a fudge factor for losses (temp, less than perfect charge etc) 3 of those batteries would give you 6.9Ah at 6lbs weight.
(each battery is 7x1.5x2.5")
I assume the iPod runs off it's own battery?
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I saw active surplus has li-ion cells for pretty cheap, but they're 3.7V. 4 would make 14.8V so I guess you'd have to be sure the amp could run on that OK (my guess is yes, but that's just a guess)
there's also the sealed lead acid batteries I just got for $2 each that are 12V 2.3Ah
If you're thinking for Sprints, which last about 2hours:
30W/12V= 2.5A X 2hrs = 5Ah+ some sort of a fudge factor for losses (temp, less than perfect charge etc) 3 of those batteries would give you 6.9Ah at 6lbs weight.
I assume the iPod runs off it's own battery?
there's also the sealed lead acid batteries I just got for $2 each that are 12V 2.3Ah
If you're thinking for Sprints, which last about 2hours:
30W/12V= 2.5A X 2hrs = 5Ah+ some sort of a fudge factor for losses (temp, less than perfect charge etc) 3 of those batteries would give you 6.9Ah at 6lbs weight.
I assume the iPod runs off it's own battery?
Call me The Breeze
Finding a car amp that small might be tough...
Do you have a more detailed breakdown of what they're running? It's really just 30w total?
Also- boom box guy from our own critical mass could give you some good pointers I'm sure.
Do you have a more detailed breakdown of what they're running? It's really just 30w total?
Also- boom box guy from our own critical mass could give you some good pointers I'm sure.
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No details. They sell the detailed instructions so giving away any of the technical specs isnt in their best interest I guess. In the testimonials people seem to rave about run times (5-8 hours) and power/volume levels (rides of 25+ people) They might have had an amp speced specially for this use.
Call me The Breeze
Yeah, I couldn't find any details either. One week till CM. I'm gonna ask the guy with the stereo trailer for some details of what he's running-- I know what he has lasts well and sounds good.
So I says to Mable I says
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Instructables to the rescue: https://www.instructables.com/id/Soul-Cycle-Chopper/
Looks like he went Lithium with some voltage regulators.
Looks like he went Lithium with some voltage regulators.
Don't smoke, Mike.
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Boom box guy is Nick. Him and his dad run Ring Audio (Queen and Grant) that place refurbishes/repairs audio/visual gear so he'd probably be a great guy to talk to about this sort of project. He bought a bike from us and is a huge bike geek so maybe you could work out some sort of barter agreement if you need him to do some work.
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Instructables to the rescue: https://www.instructables.com/id/Soul-Cycle-Chopper/
Looks like he went Lithium with some voltage regulators.
Looks like he went Lithium with some voltage regulators.
Call me The Breeze
Good find on the article Wes. That's one hell of a project!
Also- he made a good point about the battery draw with a stereo not being constant like a lighting system that I never considered. He did have a ****load of batteries on that thing though.
Also- he made a good point about the battery draw with a stereo not being constant like a lighting system that I never considered. He did have a ****load of batteries on that thing though.
So I says to Mable I says
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Instructables is the b0mb. Not that I ever build any of the cool projects on there... ditto for my subscription to Make Magazine.
Shiftless bum
Here's another site with a sound system on it. Even though most of the instructions are for tallbikes, it would be easy enough to adapt to a rack mount https://www.mozbike.com/build/speaker-box/index.html
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I broke my right clip on the way home today, no fun.
Look for that guy who always rides in the cm rides his set up seems good? Maybe it’s not loud enough?
This Sunday looks like 18 & sunny here i'll be hitting the road Hell Ya
Look for that guy who always rides in the cm rides his set up seems good? Maybe it’s not loud enough?
This Sunday looks like 18 & sunny here i'll be hitting the road Hell Ya
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had more energy tonight, figures... lovely ride down by the bay... down by the bay!
oOooo, five bucks
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are there like weekly fixed gear rides (like alleycats???) that happen in toronto?
apart from the wednesday night sprint thing.
~Stuart~
apart from the wednesday night sprint thing.
~Stuart~
Yup
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I found it would occationally come loose from the hub, not enough to strip anything though. I used some blue loctite and no problems after that. Easy to use and set up. Too pricey IMHO. A good idea if you have a wheel that you love and want to use fixed, but don't want to spend the time or $$ doing so, ot like me don't do wheel building and didn't want to spend big money when I had a really good wheel already. But with a surly hub being the same price as the fixxer, I can't see why you would want to use it. For customers, a good way to get fixed without alot of hassle.
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When sadness fills my days
It's time to turn away
And then tomorrow's dreams
Become reality to me
When sadness fills my days
It's time to turn away
And then tomorrow's dreams
Become reality to me
Yup
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Thanks to everyone who came out lastnight! A lot of new faces which was nice to see and I think we counted about 50 people in total! And how can you beat the Orbea TT vs. BMX vs. Chopper Bike challenge. Or the Keith vs. Nadir grudge match. Amazing!
I have to concur about Darjeeling as well... incredible! I'd be interested to see what Mr. Pyze thinks - good to see you out last night too big daddy! Amber and I are going to India for as long as possible when she graduates and now we're frothing at the mouth to go.
Wired has a crazy article on bike hackers today.
And finally, pending any drama, I'm down for the MTL race. Time to get some intercity fun started!
I have to concur about Darjeeling as well... incredible! I'd be interested to see what Mr. Pyze thinks - good to see you out last night too big daddy! Amber and I are going to India for as long as possible when she graduates and now we're frothing at the mouth to go.
Wired has a crazy article on bike hackers today.
And finally, pending any drama, I'm down for the MTL race. Time to get some intercity fun started!
MattRennick-I have a 13t durace cog I don't use. Alittle worn but still in very good shape. Yours for a good cup of coffee if you want it.
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When sadness fills my days
It's time to turn away
And then tomorrow's dreams
Become reality to me
When sadness fills my days
It's time to turn away
And then tomorrow's dreams
Become reality to me