Yes, we lined it up with a known straight piece of steel square tubing. Its straight. As said in my post, its noisy because its not o-ring, its cheap machine chain to get it going.
On Mon, May 5, 2008 at 6:49 AM, SteveS <[EMAIL PROTECTED]> wrote: > Are you sure the sprockets are lined up perfectly? You'll get a lot of > noise if they aren't. It's hard to tell from the video, but it seemed > noisier than it should be, which makes me question the alignment. > > - SteveS > > Travis Gintz wrote: > > > Its chain noise from the roller chain, every time a link hits the > > sprocket, it makes a noise, which is quieter with O-ring chain. > > > > I'm using 530 chain (ANSI #50) because it was stock, and easy to get > > front sprockets for from surpluscenter.com <http://surpluscenter.com>. > > Plus, they've got more options for steel rear sprockets if I need them at > > Sprocketspecialists.com > > > > Why are you using #40? any reason? What is the stock sprocket size on > > your motorcycle? #40 isn't a popular size. Isn't that 425 motorcycle chain? > > You'll need to find a place that can get you chain in any length you want > > (because I had to lengthen mine). > > Electricmotorsport.com sells 420 and 428 chain, but no 425 (#40). > > > > I'm not all that worried about noise, but it would be nice to quiet it > > down a little more. I was more or less explaining to those that think its > > loud :) > > > > On Sun, May 4, 2008 at 5:51 PM, Andrew Wowk <[EMAIL PROTECTED] <mailto: > > [EMAIL PROTECTED]>> wrote: > > > > Travis, > > you mention using an o-ring chain to quiet things down. I'm > > curious if these are available for a standard #40 chain? I'm also > > using a machine chain which seems to work fine. The noise > > generated might actually be good for safety. The bike has a shock > > absorber in the wheel coupled to the rear sprocket which probably > > helps some with the pulsations created by the driven sprocket. > > > > > > On Sun, May 4, 2008 at 3:59 PM, Travis Gintz <[EMAIL PROTECTED] > > <mailto:[EMAIL PROTECTED]>> wrote: > > > > So, another update to my blog this week. A friend (Loni) Has been > > helping me with the motor mount. We got it mounted earlier > > this week, > > and Saturday I installed the motor, front sprocket and the > > chain, and > > decided to test it out. This is with one 18Ah 12V battery. 80A > > when > > first spinning up, then drops to around 20A continuous. > > > > http://blog.evfr.net/ > > > > Just the video: > > http://www.youtube.com/watch?v=D27TJUc1fK8 > > > > The chain was cheap machine chain, and while its not TOO loud, > > It will > > be replaced by o-ring chain to quiet things down. I used a > > 13tooth > > front sprocket and 44 rear, but have 11 and 12 tooth fronts to > > test > > and play around with. Right now, its 3.4:1, and adjustable to > > 4:1 with > > the 11 tooth. > > > > Next step is the battery boxes and getting the controller and > > charger > > finalized. Synkromotive is finalizing the controller, and the > > charger > > is in the process of getting boards made. Once that is all > > together, > > we should be running under full non-tethered power. > > > > -- > > Travis Gintz > > 1986 Honda VFR DC conversion > > Http://blog.evfr.net/ > > > > > > > > > > > > -- > > Travis Gintz > > 1986 Honda VFR DC conversion > > Http://blog.evfr.net/ > > ------------------------------------------------------------------------ > > > > No virus found in this incoming message. > > Checked by AVG. Version: 7.5.524 / Virus Database: 269.23.8/1415 - > > Release Date: 5/5/2008 6:01 AM > > > > > > > -- Travis Gintz 1986 Honda VFR DC conversion Http://blog.evfr.net/
