Backwards Lipo use: Time to evolve Peoples.
#31
Tech Champion
iTrader: (22)
It certainly would have less headaches of sometimes needing receiver packs or special electronics. The other method though, which still could benefit from the same manufacturing of a 4 cell 7.4. Parallel output. So that 3000+ would be 6000mah+ at 3.7 volts. Of course, that gets into even greater needs for low voltage electronics.
I think this will all shake itself out soon, especially if batteries start to fall into line with traditional rechargeable voltage per cell.
#32
I do, in a smaller scale. But for you big guys, your kinda SOL since no Lipo manufacturer has taking the initiative to try/test this shorter formation in a hard pack.
#33
You know the 1/14 scale recoil looks pretty good with a 380 motor.
I know the 1:12 have a history of sub-c batteries and brushed motors. In order to step forward with a standard battry and suitable motor winding for that battery pack a drastic change is needed.
I know 380 motors have been used in 1:12 cars with limited positive results. Those cars were not designed for 380 motors so limited results should be expected.
What is unkowns is how would a pan car designed around the 380 motor and smaller mini sized batteries would perform. IMO the 18th scale Scalpel is not designed aroud the 380motor and 2/3 batteries, the car was desinged to fit the equipment. IMO the car needs to be just a tade bit bigger in all dimensions to make the most of the batteries and motor.
I know the 1:12 have a history of sub-c batteries and brushed motors. In order to step forward with a standard battry and suitable motor winding for that battery pack a drastic change is needed.
I know 380 motors have been used in 1:12 cars with limited positive results. Those cars were not designed for 380 motors so limited results should be expected.
What is unkowns is how would a pan car designed around the 380 motor and smaller mini sized batteries would perform. IMO the 18th scale Scalpel is not designed aroud the 380motor and 2/3 batteries, the car was desinged to fit the equipment. IMO the car needs to be just a tade bit bigger in all dimensions to make the most of the batteries and motor.
#34
Maybe MaxAmps could do some importing of LiPO's in a 4-cell size.
Heck I would very happy if they import LiFePO4 cells in a 4-cell size. Just a little more voltage than a 4-cell pack, but not quite the full load of a 7.4 pack.
Heck I would very happy if they import LiFePO4 cells in a 4-cell size. Just a little more voltage than a 4-cell pack, but not quite the full load of a 7.4 pack.
#36
Tech Master
iTrader: (16)
Makes perfect sence. Most all the TC chassis, electronics, batteries, and weight standards, are designed to work with "todays" designs. All the different manufacturers would need to collectively redesign their parts to a different chassis layout. That at best will take some time. Lipo's have just begun being accepted by racers, and so we are in a transition period. Some of the things you posted likely will come, but for now...we're playing the hand that we were dealt.
#37
Just think on cars like my Xray T2's, sure I have to add weight now but later when the rules are changed, I just remove that weight.
Brushless escs will get smaller, maybe 10 ~ 15g less in a year or two less
I'll just swap out my servo for a shortie style or karbonite gears, 10 ~ 15 grams less
That micro RX will may shave another gram or two less.
Going to a Novak Light motor saves me another 17g
So i just found 50g to save on the electronics side to help with that lighter LiPO pack.
So just guessing, but dropping the Min weight by 100g in 2009 shouldn't be that extreme. If you want to make min weight and don't have the cash for uber tiny electronics, well go with a smaller LiPO pack like a 3200mah. That is the beauty of LiPO...it is scaleable!
Brushless escs will get smaller, maybe 10 ~ 15g less in a year or two less
I'll just swap out my servo for a shortie style or karbonite gears, 10 ~ 15 grams less
That micro RX will may shave another gram or two less.
Going to a Novak Light motor saves me another 17g
So i just found 50g to save on the electronics side to help with that lighter LiPO pack.
So just guessing, but dropping the Min weight by 100g in 2009 shouldn't be that extreme. If you want to make min weight and don't have the cash for uber tiny electronics, well go with a smaller LiPO pack like a 3200mah. That is the beauty of LiPO...it is scaleable!
#38
Just think on cars like my Xray T2's, sure I have to add weight now but later when the rules are changed, I just remove that weight.
Brushless escs will get smaller, maybe 10 ~ 15g less in a year or two less
I'll just swap out my servo for a shortie style or karbonite gears, 10 ~ 15 grams less
That micro RX will may shave another gram or two less.
Going to a Novak Light motor saves me another 17g
So i just found 50g to save on the electronics side to help with that lighter LiPO pack.
So just guessing, but dropping the Min weight by 100g in 2009 shouldn't be that extreme. If you want to make min weight and don't have the cash for uber tiny electronics, well go with a smaller LiPO pack like a 3200mah. That is the beauty of LiPO...it is scaleable!
Brushless escs will get smaller, maybe 10 ~ 15g less in a year or two less
I'll just swap out my servo for a shortie style or karbonite gears, 10 ~ 15 grams less
That micro RX will may shave another gram or two less.
Going to a Novak Light motor saves me another 17g
So i just found 50g to save on the electronics side to help with that lighter LiPO pack.
So just guessing, but dropping the Min weight by 100g in 2009 shouldn't be that extreme. If you want to make min weight and don't have the cash for uber tiny electronics, well go with a smaller LiPO pack like a 3200mah. That is the beauty of LiPO...it is scaleable!
shorter can, same weight
normal can, lighter weight
shortest can, heavy weight
Here's what I would use, but in need of a 5mm shaft pinion to make such setup works.
http://www3.towerhobbies.com/cgi-bin...?&I=LXLWZ4&P=7
#39
Zen
Do you want my Trinity N-60 motor? I have a pretty much new N-60 motor for sale on Hobby talk.
Do you want my Trinity N-60 motor? I have a pretty much new N-60 motor for sale on Hobby talk.
#40
The next generation of sedans will look more like the HPI Pro2, Tamiya 414, Schumacher SST, Yokomo YR-4M and Xray T1. Saddle pack Lipo, motor in the middle, servo on one side speedo and rx on the other...perfect balance, no added weight, no compromises to suspension geometry or weight distribution.
Result: NO FIT. The front-rear bulkhead is like 5mm too short for 137.5mm Orion3200. If we can just length the wheel base 10mm, we should able to get T1FK04 fit all ROAR-legal LiPO on oneside.
Or... we can remove the motor-front-post of T1FK04 to free some more room for LiPO, but I frankly dont know how that gonna affect the structure of chassis, so... no go for me (unless I get a spare in dirty cheap price...)
#42
Tech Elite
iTrader: (2)
I'd thinking about this long ago and today I digout my dusted T1FK04 and see if Orion3200 (137.5 x 46.7 x 20.5+2.5 mm) can fit into one side.
Result: NO FIT. The front-rear bulkhead is like 5mm too short for 137.5mm Orion3200. If we can just length the wheel base 10mm, we should able to get T1FK04 fit all ROAR-legal LiPO on oneside.
Or... we can remove the motor-front-post of T1FK04 to free some more room for LiPO, but I frankly dont know how that gonna affect the structure of chassis, so... no go for me (unless I get a spare in dirty cheap price...)
Result: NO FIT. The front-rear bulkhead is like 5mm too short for 137.5mm Orion3200. If we can just length the wheel base 10mm, we should able to get T1FK04 fit all ROAR-legal LiPO on oneside.
Or... we can remove the motor-front-post of T1FK04 to free some more room for LiPO, but I frankly dont know how that gonna affect the structure of chassis, so... no go for me (unless I get a spare in dirty cheap price...)
#43
Ar I must short-out on reading... DOH!
I personally dont like saddle at all as it's so hard to use (with fear of shorting the pack). But maybe hardcase Lipo saddle would be easier to use, never try yet.
However, since it's possible to have LiPo on oneside, elect/servo on the other, motor in center line, and have a right-left balance. Why using saddle instead of stick?
I personally dont like saddle at all as it's so hard to use (with fear of shorting the pack). But maybe hardcase Lipo saddle would be easier to use, never try yet.
However, since it's possible to have LiPo on oneside, elect/servo on the other, motor in center line, and have a right-left balance. Why using saddle instead of stick?
#45
Servo+rx+esc+amb is still like 50-100g lighter than LiPo, so my idea is place LiPo on right hand side, elect on left hand, and maybe shim motor outward a bit to counter the weight, IF I can find a way to fit LiPo into T1FK04...