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Old 09-07-2006, 08:10 AM   #16
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Originally Posted by vtl1180ny
Marvi, can you do something about your signature it makes everything you post on annoying to read!!!!
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Old 09-07-2006, 09:14 AM   #17
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Originally Posted by marvi
i recently went for lipos because of the ff:

1. almost zero maintennance - no need to discharge/tray/rematch/etc.

2. charge it right after running - no need for cooling down because it doesnt heat up during using and charging (although i think it would still be better if you put a fan on it right after running, just to be safe. just my opinion )

3. you only need 1 pack for the whole day (see above)

4. doesnt need a fancy charger - orion avionics makes a nice full featured lipo compatible charger for only $80. i think you can get away with even cheaper chargers but they only charge at a lower amp rate, so it will take a long time to charge.

5. punch/power lasts longer than comparable nimh/nicad batts - havent seen this advantage yet because i only had my lipo for a few days. but ive read that you can charge this days/weeks/months in advance and run it with the same power as a freshly charged one. ive also read that repeated charge/discharge cycles show that it still retains the same punch as the first cycle. for nicad/nimh, you have to use it immediately (or repeak) after chaging to get the full power. also, they cant be used several times per day (the reason why most racers have at least 3 packs for a race day)

6. lastly, lighter weight

the downsides are:

1. expensive but compare this to having 3 nimh packs to race.

2. wont fit some R/C chassis ie. especially saddle pack configs (but i think theyre working on this. maxamps has saddle packs)

3. not yet ROAR legal, or some clubs may not allow this (yet )

4. horror stories of exploding/burning lipos (but i think a large percentage of this is user error or faulty charging equipment )

Marvi what charger are you using and how long to charge initially? Have you tested the platinum lipo you got and in what motor? I assume you practice with 5-8min runs, do you charge them right after running and how long to charge them again? Will one lipo be enough to practice the whole day atleast 5 runs?
Haven't bought new batts and charger after selling my nimh and charger so I'm just waiting for feedback with lipo and lipo chargers.
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Old 09-07-2006, 09:25 AM   #18
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Does anyone know if any Lipo packs where submitted to ROAR for approval?
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Old 09-13-2006, 10:19 AM   #19
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Old 09-13-2006, 10:28 AM   #20
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Lipo batteries do not meet any of the current specs for a battery under ROAR rules, so they are not eligible to be submitted....

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Old 09-13-2006, 11:50 AM   #21
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I think it should be allowed at a club level. We need more racers as it is anyway. Brushless is now just being accepted at local races just because there are so many users out there, that the clubs cannot afford to turn them away.
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Old 09-13-2006, 03:30 PM   #22
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Li Po is the best.

Too bad Li Po is not legal yet, however the future belongs to Li Po.

IB and GP scientists are scracthing their head to beat Li Po.
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Old 09-13-2006, 06:31 PM   #23
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Definitely Li-po. At Socal Raceway I run the Novak brushless 5800 and a lipo and I got 55 minutes of runtime , as with a nimh IB 3800 I get 8 minutes . Lipo definitely is the future and starting at my local track in a pinch I have ran lipo for 2 qual. and a main no problem . The lipo is much more expensive and not roar legal . If you are going to race and deciding what batteries to get I wouldn't suggest lipo because you can't run them
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Old 09-13-2006, 08:33 PM   #24
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If market demand continues to go towards lipos and brushless, the organizations like roar will have to allow them or get left in the dust.
Their are some orgs allowing them at this point
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Old 09-13-2006, 09:37 PM   #25
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has any1 tried the 7.4v 8000mah batteries from ebay?
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Old 09-13-2006, 10:02 PM   #26
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I don't think ROAR will make lipo legal until IFMAR does. As the stepup organization for IFMAR, that's the most likely way it will progress. That's how brushless was legalized...

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