Cycling and bicycle discussion forums. 
   Click here to join our community Log in to access your Control Panel  


Go Back   > >

Mountain Biking Mountain biking is one of the fastest growing sports in the world. Check out this forum to discuss the latest tips, tricks, gear and equipment in the world of mountain biking.

User Tag List

Reply
 
Thread Tools Search this Thread
Old 05-03-05, 10:17 PM   #1
Vertigo
"el fresh"
Thread Starter
 
Join Date: Mar 2005
Location: Texas YEE HAW
Bikes: haro v2
Posts: 50
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
D.I.Y. Riding lights *Pics*

Well for anyone who rides trails or DH at night, you'll know that 20watt lights are pretty expensive.
A couple weeks ago I decided I really didnt want to run into anymore trees or fall off a cliff,
so I said "ehhhh, why not just make your own"... OK!
Its very easy to come up with something. Just run down to home depot and you'll come up with plenty of ideas on how to mount your light/fixture. This isnt the final product, but it'll do until I get some more free time. 20watt light @ 5-6hrs.

Everything you see came to a grand total right near $32 .
Battery - $25 w/shipping
Bulb - $5
Bulb fixture (PVC fittings) - $2
Switch - Free (off an old flashlight)

I'll get more pix out on trails...




Vertigo is offline   Reply With Quote
Old 05-03-05, 10:20 PM   #2
Dirtbike
Giggity giggity!
 
Dirtbike's Avatar
 
Join Date: Nov 2004
Location: Danville, Ca
Bikes: Yeti DJ Custom build. X.9, Marzocchi, RaceFace, Gamut, DT, Truvativ, Michelin, Hope.
Posts: 1,800
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Not bad! Thats a good light! I gotta build one. Im really good at soldering which helps.

Thats probably the best 32 bucks you could spend!
Dirtbike is offline   Reply With Quote
Old 05-03-05, 10:23 PM   #3
forum*rider
Work hard, Play hard
 
forum*rider's Avatar
 
Join Date: Dec 2003
Location: San Diego, California
Bikes: Cannondale super V 500, Bianchi Piaggio(hopefully getting a new road bike when I get some money)
Posts: 2,596
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
very nice!

They have these metal clamps at hardware stores, might want to try zip-tying the light to one or something. I know you said this wasn't the finished product, just trying to help.

The clamp is a metal band with slts in it, wen you tighten a screw it cinches down on the metal band. Not sure what they were called though.
forum*rider is offline   Reply With Quote
Old 05-03-05, 10:31 PM   #4
Vertigo
"el fresh"
Thread Starter
 
Join Date: Mar 2005
Location: Texas YEE HAW
Bikes: haro v2
Posts: 50
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Quote:
Originally Posted by forum*rider
very nice!

The clamp is a metal band with slts in it, wen you tighten a screw it cinches down on the metal band. Not sure what they were called though.
Ya! thats the one Im probably going to end up with. 1 big - to fit around the light fixture, and 1 small - to fit the bars. Nice thinking
Vertigo is offline   Reply With Quote
Old 05-03-05, 10:40 PM   #5
skunkty14
Back to granite
 
skunkty14's Avatar
 
Join Date: Oct 2004
Location: Boston
Bikes: '02 C'dale Jekyll 700, '04 C'dale R1000 Double
Posts: 244
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Nice little project there. What kind of battery are you using, looks like it hangs of the top tube of the bike? Where did you find that?
skunkty14 is offline   Reply With Quote
Old 05-03-05, 10:45 PM   #6
Vertigo
"el fresh"
Thread Starter
 
Join Date: Mar 2005
Location: Texas YEE HAW
Bikes: haro v2
Posts: 50
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Oh ya, srry. I forgot to add velcro to my list of goodies. I just strapped it right around the battery, and put 2 tabs of velcro on top of the battery/bottom of top tube so it wont slide around.

edit* Here is the link to the batteries Battery Mart Take your pick of voltage/wattage.
Vertigo is offline   Reply With Quote
Old 05-03-05, 11:50 PM   #7
harov3
Dismember
 
harov3's Avatar
 
Join Date: Feb 2005
Location: Western Australia
Bikes: Kona Kikapu/hoss deluxe mix, 1950's Malvern Star gent 28" turned into a stealth commuter with drums and a three speed.
Posts: 695
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Nobody listens anymore....

http://members.iinet.net.au/%7Efathers/lightstoc.htm

And heres some piccies of my lights built as per the fat hippies plan. In the close up you can see my 50W 12 deg spot (high beam) and next to it the red thing is the switch for it (ya! individually switched just to show off.) On the other side of the headstem is the bulbholder covered in red tape to stop it flopping about and switch for the 20W 36 deg bulb (lowbeam) that sat there until the latest oopsy. Do they work? SH!TYEAH!! Cars wait for the 'motorbike' to go past The last group nightride I did I was the only one in my group with functioning lights at the end and the only one who could say they had no visibilty problems. Shame about the battery mount This setup was built for my previous bike and that had the battery built into a pannier set with an isolator switch so passing droobs could play with my switches all they liked they couldnt leave my lights on and flatten the battery. As most of you know its difficult to fit racks with disks, I'll probably get a smaller battery and fit it in a seat bag and recharge more often. Yes I know I will remember to take the reflectors off, soon, promise. Night piccies coming soon.

Last edited by harov3; 05-04-05 at 12:03 AM.
harov3 is offline   Reply With Quote
Old 05-03-05, 11:59 PM   #8
harov3
Dismember
 
harov3's Avatar
 
Join Date: Feb 2005
Location: Western Australia
Bikes: Kona Kikapu/hoss deluxe mix, 1950's Malvern Star gent 28" turned into a stealth commuter with drums and a three speed.
Posts: 695
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Damm! I didnt notice, are Haro riders brighter than the rest?
harov3 is offline   Reply With Quote
Old 05-04-05, 12:28 AM   #9
Vertigo
"el fresh"
Thread Starter
 
Join Date: Mar 2005
Location: Texas YEE HAW
Bikes: haro v2
Posts: 50
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
hehe, Im not bright... just cheap . So THATS what the red button is for. My button is hooked up to the nitrous in back, for uphill assistance

BTW, whats the specs on your battery? The one Im running is 12v 9Ah. Also, how long does yours last on 50 watts?
Vertigo is offline   Reply With Quote
Old 05-04-05, 12:37 AM   #10
harov3
Dismember
 
harov3's Avatar
 
Join Date: Feb 2005
Location: Western Australia
Bikes: Kona Kikapu/hoss deluxe mix, 1950's Malvern Star gent 28" turned into a stealth commuter with drums and a three speed.
Posts: 695
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Total 70W for toasting wildlife, stray dogs, ect... Its a 12V/7Ah/2.7kg battery. Life as calculated is about 4.5hrs for 20W, 1.7 for 50 w and a big 40 minutes (I think) for 70 W.
Real life will vary with conditions, especially temperature.
harov3 is offline   Reply With Quote
Old 05-04-05, 12:59 AM   #11
Guest
Guest
 
Bikes:
Posts: n/a
Mentioned: Post(s)
Tagged: Thread(s)
Quoted: Post(s)
I was thinking about making my own bike light too. Sheldon Brown's website goes over it really well. It would be nice if I could add in a small solar panal for when my batteries go dead and/or when I want to conserve battery power.

Koffee
  Reply With Quote
Old 05-04-05, 01:22 AM   #12
harov3
Dismember
 
harov3's Avatar
 
Join Date: Feb 2005
Location: Western Australia
Bikes: Kona Kikapu/hoss deluxe mix, 1950's Malvern Star gent 28" turned into a stealth commuter with drums and a three speed.
Posts: 695
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Tease, tease, tease, you girls are all alike Perhaps you might be interested in a solar powered torch that was available in Japan a while back, could use as a reserve?
harov3 is offline   Reply With Quote
Old 05-04-05, 03:49 AM   #13
Juha
Formerly Known as Newbie
 
Juha's Avatar
 
Join Date: Mar 2002
Location: Helsinki, Finland
Bikes:
Posts: 6,263
Mentioned: 1 Post(s)
Tagged: 0 Thread(s)
Quoted: 2 Post(s)
For more info on DIY lights than you'll ever need check out the "Total Geekiness" -thread in Commuting.

--J
__________________
To err is human. To moo is bovine.

Who is this General Failure anyway, and why is he reading my drive?


Become a Registered Member in Bike Forums
Community guidelines
Juha is offline   Reply With Quote
Old 05-04-05, 08:01 AM   #14
jstream
yes... You're on my left
 
jstream's Avatar
 
Join Date: Sep 2004
Location: Milwaukee, WI (east side)
Bikes: Specialized FSR XC/Trek 930
Posts: 262
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
How 'bout a detailed parts list?
jstream is offline   Reply With Quote
Old 05-04-05, 01:39 PM   #15
bcc423
Banned.
 
Join Date: Jan 2005
Bikes:
Posts: 43
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
w/ a 20 watt light, how long will a 12v 7AH battery last?, thanks
bcc423 is offline   Reply With Quote
Old 05-04-05, 01:50 PM   #16
Cerberusgl
Senior Member
 
Cerberusgl's Avatar
 
Join Date: Sep 2004
Location: Sacramento, CA
Bikes:
Posts: 214
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
20W / 12V = 1.67A -- 7Ah / 1.67A = 4.2h This is a rough est.
Cerberusgl is offline   Reply With Quote
Old 05-04-05, 01:57 PM   #17
Map tester
I am not a car
 
Map tester's Avatar
 
Join Date: May 2004
Location: Decatur, GA
Bikes: Giant Revel 1, Surly Ogre
Posts: 747
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Great DIY site on bike lighting. Section on run time

Also, as stated above, check out the Total Geekness thread.

I used a 25 watt bulb with a 12v 7Ah SLA battery and could go over 2 1/2 hours without dimming. YMMV.
__________________
"Bad facts make bad laws." FZ
Map tester is offline   Reply With Quote
Old 05-04-05, 02:08 PM   #18
crashnburn
Senior Goat Hearder
 
crashnburn's Avatar
 
Join Date: Mar 2005
Bikes:
Posts: 169
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Good idea but I have a suggestion, use multiple LED bulbs. They are brighter, use less energy, more durable, and last for about ever. You will be able to get rid of that battery pack and have a nice little encased unit running from rechargeable 9 volts or AA's.
crashnburn is offline   Reply With Quote
Reply


Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off



All times are GMT -6. The time now is 03:04 AM.