The Gardener wrote:
a quick update.
The ESG752 listed on the Phat Performance site is not the current version.
I believe they have it listed from the previous inventory we had of ESG752's that were built incorrectly. We don't currently sell that part at all.
You guys will still be the first to know when I have them available.
We're probably still looking at a couple months before having them in stock here.
We've had some delays and priorities change with other parts that have caused the RoadStar stators to take longer than I planned to finish production.
As far as the Harley stators being more powerful, this is mainly due to size limitations.
The Harley stator is roughly 135mm diameter, and 32mm tall. The Roadstar stator is about 105mm diameter by 19mm tall. You can just get more turns of larger gauge wire on a Harley stator than you can on the Roadstar! We're getting as close as we can, but you're basically limited by flywheel and sidecase size.
Hope you guys are already having a great New Years!
Back to work!
ev, we could have rewrapped our own nice and pretty by now.
same # of turns with a larger guage wire? better grade of wire? and have you concidered a better magnet material & armature housing for the magnet?
couldnt you use a better magnet material like a rod and pott up in plastic rows of them and bond that into the armature cup?
what is the side clearance between the inside of that part and the edge of the stator? is their any room for a donut magnet? can it be lathed to accomodate a ring bonded inside?
i bet you could make that part half as light and twice as strong by using alternate materials.
what about 3 sets of magnets that look like a curved channel & fit right over the stator that attach with some countersunk screws and some shims to get accurate alignment.
havent you engineered the balls off of what is possible to do, i wish i had the facilities.....
i'm ready to mount a 10AHr lawnmower alternator to run off of the belt drive at this point, and i'm sure kuryakn would make a pretty (ailbet pricy) cover to hide it behind mounted to the swing arm. might need a 4:1 gear reduction too.
might even be able to mount it with a rubber gearwheel and drive it off of the open side of the pulley, with an adjustable slide mount to the swingarm tubes. (and again kurykn can make a nice side cover for hiding it)...
18v @ 10AHr would do some nice heated gloves and toe warmers...
Thanks for the ideas.
If you'd prefer to wrap your own, please be my guest!
I'm trying to have parts available for you guys as soon as possible, but we're a small company with hundreds of part numbers, and at times other parts that are already backordered take priority over new parts.
You can't wrap the R* stator with same # of turns of larger wire, we're already maxed out with the largest gauge we can use and still physically fit the stator easily in the sidecase.
If we went up a gauge with the same # of turns, the part literally wouldn't fit, it would rub the flywheel.
An upgraded flywheel is certainly a possibility, but that is not really a focus of ours.
We do some flywheels for specific applications, but are not planning on doing so in this case.
I do not have a R* flywheel at the moment to mount and measure the clearance between stator and magnet surface, although the air gap should be roughly 2-3mm.
There is no doubt in my mind that the part could be lighter and stronger than OEM by using alternate materials, but we focus mainly on stator improvements here, not flywheel engineering.
I would love to engineer the balls off of this part (well said!!
) but I am a one-man R&D Department, with hundreds of other parts to look after and improve, not to mention develop new parts. This prevents me from going too in depth on this part.
Since I have a good tested, working, higher output part which is a legitimate improvement to the Roadstar charging system, I have to leave it at that for now.
All that being said, I understand you guys' frustration and need for a solid charging solution on these bikes, and I intend to provide it.
Like always, I'll be on here posting the second I have these parts in stock!!
Take care guys,