... ......Hi Dave; I looked over that write up with interest mainly because I'm still trying to think of nifty ways to have suspension on a front Wheel Drive ...
... This would be for a short wheelbase 'bent using a 'twisted chain' to allow for steering - therefor limited lock? I think a Hossack style suspension could...
Hi All. I'm considering using a Hacker A60 motor -this is for another project. I need 190/195 Kv and on 12v. (LiFePO4 13,2v) 2280/2340 revs. I can manage a ...
... project. I ... manage a ... turns = 190 ... likely to be ... Dave, You didn't mention how much power you are looking for. Using Scorpion Calc, I got the...
... .....Hi Rob I looked at the Cruzbike and there are two issuses. One is it doesn't have front suspension and thats what I'm interested in. Second its...
Actually John, the Cruzbike is/can be front suspension, depending on the donor bike. Maybe it is the Sofrider that is full suspension? Anyway, I have seen one...
... John, I found the Scorpion Calc program through rcgroups.com, but you can find it at http://www.scorpionsystem.com/downloads/. Just click on the Scorpion...
... ....Thanks for the URL. Lets see if I did the changes correctly. Using the 4025-16 motor I typed in 12 volts, divided the Io by 3 to get .4 Multiplied Rm...
... but ... Woops, I hit SEND when I intended to switch screens so am continuing here. When I use a 40A ESC the results are 6.2A and 2067rpm. You can refine...
... 10Ahr cells for less. ....That's good to know. A friend in the UK sent me 3, 123 cells and boy are they light ! 8 ounces for three cells. They are 2300 mah...
... the ... they ... .....Hi Rob; Are you sure they had front suspentionon a movable BB FWD bike? That would mean with a head tube suspension that the brace...
John, The one I saw was a normal MTB front suspension unit. The supporting brackets are equal length, and do pivot, so it allows the BB to move with the...
I posted the Efficiency lists in the files section. It also includes information on what is needed to make on road efficiency measurements. John Tetz...
... never ... to ... When I looked into NIMH cells, the 4,500mah cells spec sheet said they were only guaranteed to be at least 3800mah. ... going ... to ... ...
... on ... Apparently ... coming ... Cruzbike claims full suspension as one of the features of their design. The head tube is suspended and the chainline is...
... they were only guaranteed to be at least 3800mah ... the Kv and power output, more turns yield lower Kv and lower power at same voltage. ....Thats because...
... the ... Hi Rob; I looked a the video and did see how they did it. Neat design, simple and light weight. Both front and rear. Just too bad its the movable...
... at ... Kv is lower because it is the reciprical of Kt, torque constant. More turns make stronger magnetic fields for same current. ... Io is no-load...
... John, in your comments about efficiency loss factors you said "(Under load that idler can loose around 4%. If there is lots of chain wrap the loss is...
... said "(Under ... wrap ... chain, ... chain ... .....Its not just the chain wrap thats causing an increase in loss but the much higher tension on the idler...
... You misunderstand, the idler is on the slack side of the drive cog. From the slack side of the chainring, the chain will go below the idler, wrap around...
Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the ULEA group. File : /chainroute.vec ...
ULEA@yahoogroups.com
Apr 10, 2008 12:29 am
301
... the ... I made a quick sketch in Vector Engineering, which is a freeware CAD program I've never used before. I don't think the program has tools to label...
... ......I cant open that file. But what your saying sounds like a S shaped chain line for the drive cog and the idler (kind of like a derailler). I'm...
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