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Jan 15, 2012, 02:17 PM
Southern Pride
everydayflyer's Avatar
Quote:
Originally Posted by erkq
Again... guys... I know this and agree and take advantage of this information regularly when charging. This was not my issue.
I understand completely believe me and as I posted this has been clobered to death for years and years and years. Some of us do in fact conduct test and take measurements. I do not post hear say.

From years ago way before balancing cells in series was even considered and there were very few LiPoly chargers much less balancing chargers and yes I know balancing is not an issue with 1S batteries.

https://www.rcgroups.com/forums/show...19&postcount=1


Charles
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Jan 15, 2012, 02:20 PM
Registered User
Quote:
Originally Posted by everydayflyer
I understand completely believe me and as I posted this has been clobered to death for years and years and years. Some of us do in fact conduct test and take measurements. I do not post hear say.

From years ago way before balancing cells in series was even considered and there were very few LiPoly chargers much less balancing chargers and yes I know balancing is not an issue with 1S batteries.

https://www.rcgroups.com/forums/show...19&postcount=1


Charles
nevermind...
Jan 15, 2012, 02:21 PM
Southern Pride
everydayflyer's Avatar
Quote:
Originally Posted by erkq
OK... so I'm supposed to stop talking about this?? But obviously not you...
Not at all I was merely pointing out that B & C Forum would be a more proper forum and that IMO all this has been covered many times.

Plus my posted link which you quoted was a responce to RCB.

Charles
Jan 15, 2012, 04:46 PM
Embargo lifted.
kenstogie's Avatar
Quote:
Originally Posted by erkq
Does 60 or close with the 4040 prop and a good battery.
Great and rpughly how fast 0-60??? Is there any way to test this? Like a dippler test or something??
Jan 15, 2012, 04:57 PM
Registered User
Quote:
Originally Posted by kenstogie
Great and rpughly how fast 0-60??? Is there any way to test this? Like a dippler test or something??
Oh... you were serious... that I can't answer. Usually when something approaches its max speed its speed curve becomes somewhat asymptotic. So I think you may be disappointed.
Jan 15, 2012, 05:43 PM
Southern Pride
everydayflyer's Avatar
Quote:
Great and roughly how fast 0-60???
With the right catapult about 1/2 second I would guess but then it may slow down until the prop stops caveatting..
Jan 15, 2012, 07:39 PM
220 221 Whatever it takes
captdave221's Avatar
Quote:
Originally Posted by RealGambler

I use my lipo checker, which can also balance, and made a small adapter that can balance three UMX batteries. So if I suspect one battery is too much off, I plug three of them, and let the lipo tester bring them to the same level. I can then parallel charge them while knowing they do start at the same level.
Would you have a part # on that? I didn't see it on HK website. Thanks

OOPS nevermind finally found it and guess what???......OUT OF STOCK!!

Oh well I will backorder one and wait for it. Not a must have for tonite.
Last edited by captdave221; Jan 15, 2012 at 07:57 PM.
Jan 15, 2012, 08:20 PM
Registered User
Finally got my Stryker up and running with the servo reverser, worked great and she is up and like new. I have the 4040 on her now but may switch back with all these reports about launch issues, I launched it fine with the stock prop.

I don't know how you guys fly these UM's in winds above 5mph, I can make it move around the sky but it is not fun. It is more oh craps than that was sweet! Maybe my skills are just not there or something but I DO NOT enjoy it right now.
Jan 15, 2012, 08:45 PM
Way to many airplanes!
Quote:
Originally Posted by captdave221
Would you have a part # on that? I didn't see it on HK website. Thanks

OOPS nevermind finally found it and guess what???......OUT OF STOCK!!

Oh well I will backorder one and wait for it. Not a must have for tonite.
The Lipo battery tester is from HK, but the fancy (ugly) connector for the UMX batteries is homemade... I've seen a few testers of those so far, and all of them were very accurate. Balancing take a long time, but it's still a plus for such a small device.
Jan 15, 2012, 08:57 PM
**I'm Battman**
RCBABBEL's Avatar
Quote:
Originally Posted by IndyMatt
Finally got my Stryker up and running with the servo reverser, worked great and she is up and like new. I have the 4040 on her now but may switch back with all these reports about launch issues, I launched it fine with the stock prop.

I don't know how you guys fly these UM's in winds above 5mph, I can make it move around the sky but it is not fun. It is more oh craps than that was sweet! Maybe my skills are just not there or something but I DO NOT enjoy it right now.
IM,

4040 & wing toss launch.

Non-issue.
Simple as pie.
1/2~3/4 throttle.
To me it's easier to launch with the 4040 because she loses no altitude.
Moves out with authority.


rc
Jan 15, 2012, 09:52 PM
Free crash course available!!!
bs_sunil's Avatar
Here is one of my home assembled 2S 240 mah hyperion batteries. Got 4 of them from Quantum hobby and completed. The ready-to-use batteries are out of stock, so had to settle for this. Easy to assemble. If you are making your own, don't always go by the wire color of the connector (Red may not be +ve and Black may not be -ve). The support from Quantum Hobby was indeed very pleasing who explained very clearly what was wrong in the wiring.
Jan 15, 2012, 11:06 PM
27 yrs. of Aircraft flying.
epoweredrc's Avatar
That is a really neat charger.
Flew my big stryker today might have to try the smaller one thought about it a few times, Now I know why my father didn't take me up on my offer for the big boy he wanted the lil one.
Jan 16, 2012, 12:30 AM
Registered User
ccpdx's Avatar
Quote:
Originally Posted by SilentPilot
Ooops, looks like I've opened a can of worms
I think I brought out the can....

Charles
Jan 16, 2012, 12:46 AM
Registered User
ccpdx's Avatar
I fast charge individual batteries at the field, but when I'm at a park where I don't have a good table to work on, or if the weather is a little bit drizzley, it's nice to just have a few batteries ready to go. That's especially true of smaller planes like the Stryker 180.

Charles
Jan 16, 2012, 04:02 AM
Don't get arsey about RC
Tried the rudder brake mod (rudders deflect inwards 50%) in flight and as many people have said, it makes next to no difference! However, I think the rudder differentials improve the stability of the rudder response, it seems to get less of a secondary roll response with rudder input this way. I would therefore recommend this mod, I had it so the rudder inside the turn moves 20% less than the one outside the turn.

Happy flying!


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