trakpower lipo

[Micha_MX4]

just got an email that they corrected their site.

size is 30mm height as Mark wrote above already.

It won't fit in my BXF... should I get Grepows don't know...

[mark christopher]

Originally Posted by Micha_MX4

just got an email that they corrected their site.

size is 30mm height as Mark wrote above already.

It won't fit in my BXF... should I get Grepows don't know...

whats a bfx? do you have a picture?

[Micha_MX4]

Yokomo MR-4BX Factory

quite some pics under it's section

[mark christopher]

if u move your cells out to the edge of the chassis they may fit

[James]

now they have stick and saddle, is there ever going to be a 2 x 4 equivalent or are the lipo individual cells too big?

[mendocino]

Mark, any chance on a thin 2s2p 3200 version???
That is to fit a s500 or Aero1 chassis...

[Micha_MX4]

I asked trakpower via email about the configuration of their 4800 mAh saddle,
it's a 2s3p configuration.

a 2s2p 3200 mAh saddle pack would be possible then

[mark christopher]

Originally Posted by mark christopher

did you read my post above this one of yours? i gave dimensions and also full up weight.

saddle is 2s3p so each bank has 3 cells in parallel to get 4800mah, and two packs makes the 2 serries to get 7.4 volts
as i said in my post the spec page was correct!

Originally Posted by Micha_MX4

I asked trakpower via email about the configuration of their 4800 mAh saddle,
it's a 2s3p configuration.

a 2s2p 3200 mAh saddle pack would be possible then

[Micha_MX4]

no offense Mark, I appreciate your sharing of obvious insider knowledge,

but I didn't read that specific posting (you seem to love the quote tool )

and I don't believe everything that is written in forums

so I just asked and got quick response from trackpower

[mark christopher]

Originally Posted by mendocino

Mark, any chance on a thin 2s2p 3200 version???

That is to fit a s500 or Aero1 chassis...

my 1st prototype was in fact a 2s2p 3200 saddle so its definatly possible, with an modifiaction to the case

so im sure if there is enough call then it could be possible.
it was ok capacity wise indoors but not sure what a 4.5 or 5.5 motor would do to a lower capacity outdoors, could be tight on run time.

how many milliamps do you guys pull out of a pack outdoors with a 4.5 motor in 4x4?



trakpower uk are now monitoring this site and are a company that wants to move us all into lipo! so make your "wants" in this thread or drop them a nice request via email, first job is to get the 4800's here and in use, then look at other needs


James, a 2 x 4 sub c config is harder to do,

[Micha_MX4]

...and Mark, please I will read all your posts and believe all the facts you're
posting!

promised!

[mark christopher]

Originally Posted by Micha_MX4

no offense Mark, I appreciate your sharing of obvious insider knowledge,

but I didn't read that specific posting (you seem to love the quote tool )

and I don't believe everything that is written in forums

so I just asked and got quick response from trackpower

non taken!!
is it not good to read all posts before replying? qoute tool is easiest way to answer a specific post



im not allways right Micha

[Micha_MX4]

you're right about reading all posts before posting, I actually overread the
part about configuration (after another 10h+ work day developing cars
1:1 scale..).

My "problem":
I really want to start club racing 10th scale offroad, but I'm still looking
for a club in my region so far only 8th scale rallye cross and tc racing...

I want to switch to lipos 'coz as far I've learned they need less pampering
while you're not using them... But investing 90 Euros in a pack that I have
to somehow squeeze into my new Yok is right now not that
interesting to me (Grepow 4500 are just 40 Euros at eBay) But I bought
a new charger (Schulze 6.30-5 plus) to be at last able to charge one
(my old Schulze ecolader can't be updated to lipo)

As soon as I find a saddle pack lipo that fits in (pushing to the outside of
the chassis is a little risky I think) I'll get it...

I think fixing them in a polycarbonate "bowl" that fits the slots in the chassis
would be a good way to installing them.

[OldTimer]

A lower profile saddle pack lipo would be nice if your reading this Mr Trakpower, something around 20-23mm to match the height of nimh and i would be happy to test a lower capacity version lol.

[mark christopher]

Originally Posted by OldTimer

A lower profile saddle pack lipo would be nice if your reading this Mr Trakpower, something around 20-23mm to match the height of nimh and i would be happy to test a lower capacity version lol.

put which car you want em the fit too, gives me more amo!!

[James]

2 x 4 setup needs looking into in my op . .

[OldTimer]

Originally Posted by mark christopher

put which car you want em the fit too, gives me more amo!!

Now that would be telling

But it would make the move to lipo a lot easier for many people as they would then be true drop in replacements for saddle pack nimh, no messing with different battery posts and straps etc, and to be honest i don't care about mega capacity as long as i can do a warm lap or two and last five minutes that's all i need.

A cell is around 23mm in diameter so that's your target.

[mark christopher]

what sort of capacity does a 4 x4 buggy use outdoors ?


did ask 3200 or 4800 long time ago and main was capacity bigger
trakpower have gone down to 3200 for tc as well as thier 4900 and 5400 sticks
the stick 3200 is 20.8mm tall

[Micha_MX4]

Jonathan brings it to the point!

23mm height, 4000-4500 mAh capacity, NiMh saddle size and I'll get two of them

[mark christopher]

Originally Posted by Micha_MX4

Jonathan brings it to the point!

23mm height, 4000-4500 mAh capacity, NiMh saddle size and I'll get two of them

at the min i dont think that trakpower have the cells in size or capacity to make that criteria
21mm 3200 is probable tho jonathan mentioned no capacity?