Rapidly rechargeable : safety characteristics of SCiB allow recharge with a current as large as 50 amperes (A), allowing the SCiB Cell and SCiB Battery Module...
Talking with John Tetz at the NE HPV Rally and he mentioned that he was considering reconnecting his motor to Wye and using a battery with about 18V. I tried...
... was ... High ... ......there is always some complication in making changes. I'll have to search for a ESC. ... the best there. Some others may have more...
... that ... I got off the ferry about 11:00 and climbed the first 1000ft in 25 miles to the powerhouse using 2.3ah in 2.5hrs, then recharged while working...
When I was trying to select a RC motor to build my system I found that the no-load current, Io, important to selecting an efficient motor at our low power...
... High ... ......I contacted Castle Creations and told them I wanted to go to a around 20 volts and connect my motor in Wye but wondered if my Mamba Max...
... a ... Mamba ... That's great news. Most ESC manufs. cheap out on the components and have to limit voltage. ... My cells are 10ah rated 42mm dia and...
I rode down and up the long hill between Lake Placid and Keene today. I had picked about 100wh of battery capacity with that trip in mind, hoping to be able...
Taking John's advice to find a hill to tst efficiency I discovered a short mild hill a block from my house with almost constant grade. It didn't look very...
I couldn't reply to ULEA over the last few days. Somthing to do with either my ID or the password. Dont know which. So I had to come up with a new ID and...
... like at least 72% at 2200rpm! ......Ok now that I'm back on the air I can reply to Eldens results. 72% Wow. Congradulations. Elden loks like all the design...
A friend sent me the folowing URL http://www.pmlflightlink.com/index.html Read the two articles, Printed motors and the Volvo article., In this they have an...
... they ... It looks to me like they are brushed motors, probably one of the reasons for poor efficiency. Axial gap BLDC motors include some of the most...
... well ... The motor is supposed to be about 86% and the belt drive seems about 90%. When you reported 50-55% for your system, I thought it should be...
Today I set up to do a low % grade efficiency test similar to Eldens. I used 54 feet of small diameter Tygon tubing (less carrying water on the bike to the...
... to ... ......Ok. Starting with the left plot (first run) the top number Avs 10.2 mph is the average speed as I read it off the bike computer. It was pretty...
... key ... Avs ... It ... as ... a .77% ... of ... If the file is EagleTree plots, I don't know how to get them to show that way. Maybe you can send them...
... Those results look better than the 50-55% you reported in the past. It looks to me like the current limiter is affecting the operation so speeds are...
... ....I dug thru my collection of old data and I see that I wasn't as careful about using a linear enough grade , and measuring that grade. ... .......The...
Hello - I am contemplating building a ULEA trike and I was wondering if someone could recommend a reference or two on how the weight should be be distributed...
... I think I would design and build first without assist hoping to get a roadworthy vehicle, while keeping in mind the requirements for assist. ... I have...
... I don't recall any sites that address weight distribution but there are usefull building information at the IHPVA, WISIL, and MARS sites. I'd highly...
... .......Good idea of keeping these two concepts in mind durring the initial design rather than adding the assist later on. If your thinking of adding a...
... Yes good idea to think also about shell. ... Understood, have read your articles on MARS and also found Julian Edgar's articles on www.autospeed.com...
John Mr Tetz has raised a very important point. The best sequence for this type of project is to fully think through the shell portion first. Most streamlined...
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