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Old Sep 20, 2010, 06:54 AM
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Australia, VIC, Melbourne
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Quote:
Originally Posted by Tom Z View Post
Hi David, thanks for posting this information!
10 minutes of flight time is very good!
Walkera is correct then on the flight time they claim.

What is the lowest you should go on the battery?
The XP-7A esc has 3.1V LVC for the high protection setting.

So does that mean we can go down to 3.1V safely on the
3.7V battery?
I usually stop at 3.6V - 3.8V. I would like to go lower if I can.

Tom
3.1V is fine for a cut-off, you just need to ensure the voltage doesnt go below 3.0V, under load a 3.1V cut off is fine, if you are testing with a MM after I'd go for 3.4-3.5V as the voltage sags under load.

Considering how cheap the LiPos are you can always try it... if the packs die fast then we know its too low :P.
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Old Sep 20, 2010, 07:00 AM
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Just a heads up the links that attach to the head are smaller hole than the links that attach any where else. So if you like to crash you might need some spares.
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Old Sep 20, 2010, 09:13 AM
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UK
Joined Jul 2007
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Quote:
Originally Posted by Tom Z View Post
Hi David, thanks for posting this information!
10 minutes of flight time is very good!
Walkera is correct then on the flight time they claim.

What is the lowest you should go on the battery?
The XP-7A esc has 3.1V LVC for the high protection setting.

So does that mean we can go down to 3.1V safely on the
3.7V battery?
I usually stop at 3.6V - 3.8V. I would like to go lower if I can.

Tom
Yes I do not like going below 3.7V although you can go lower I feel it tends to shorten the life of the batteries substantially - walkera are correct in that it will hover for 10 mins - active flight is more likely to be 7 min.

But you never know to Tom once you have finished lightening yours you may be able to go for the record

Regards David
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Old Sep 20, 2010, 09:30 AM
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Air Vaca's Avatar
Arivaca,Arizona
Joined May 2008
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Hi David,
I'm with Tom when it comes to lightening this little piggy. 70gm AUW seems pretty high to me, though the extra weight might make it handle a breeze better. 60 would be reasonable, 55 a delight. I honestly think 58 is doable. My full bl 4#3 wieghs in at 55gm with 20c400 batt and canopy

I have a mothed 4#6 that weighs 48gm w/o batt or canopy

regards,
Bill
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Old Sep 20, 2010, 09:46 AM
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Quote:
Originally Posted by Air Vaca View Post
Hi David,
I'm with Tom when it comes to lightening this little piggy. 70gm AUW seems pretty high to me, though the extra weight might make it handle a breeze better. 60 would be reasonable, 55 a delight. I honestly think 58 is doable. My full bl 4#3 wieghs in at 55gm with 20c400 batt and canopy

I have a mothed 4#6 that weighs 48gm w/o batt or canopy

regards,
Bill
No I have no objection to lightening it up Bill I am just wondering how long the flight time can be expanded - every gram is extra seconds in the air.

Regards David
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Old Sep 20, 2010, 10:11 AM
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Tom Z's Avatar
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V100D01 flight times coming soon...

I just bought a lot of new batteries so now I will be able to post flight times
for the V100D01 with all the motors & pinions I tested out.
Also can post flight time with the Linear 400mAh 20C and Linear 500
mAh 25C batteries.

Tom
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Old Sep 20, 2010, 11:14 AM
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Tom Z's Avatar
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Quote:
Originally Posted by desertstalker View Post
3.1v is fine for a cut-off, you just need to ensure the voltage doesnt go below 3.0v, under load a 3.1v cut off is fine, if you are testing with a mm after i'd go for 3.4-3.5v as the voltage sags under load.

Considering how cheap the lipos are you can always try it... If the packs die fast then we know its too low .

Quote:
Originally Posted by hellraser View Post
yes i do not like going below 3.7v although you can go lower i feel it tends to shorten the life of the batteries substantially - walkera are correct in that it will hover for 10 mins - active flight is more likely to be 7 min.

But you never know to tom once you have finished lightening yours you may be able to go for the record

regards david


Thanks guys for the information. Sounds like I have been doing fine
stopping at 3.6V - 3.8 Volts.
I fly the heli and land and immediately and check the battery voltage with
the heali still powered on but not running. Do you consider this under load
voltage? If not what would be?

For my review battery flight times I will stop at 3.8V as this sounds
like most people stop at there. I just need to know my under load
voltage question and I'll be ready to test flight times in two days
when my batteries arrive.

Tom
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Old Sep 20, 2010, 11:20 AM
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Tom Z's Avatar
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Quote:
Originally Posted by NaterPin View Post
Just a heads up the links that attach to the head are smaller hole than the links that attach any where else. So if you like to crash you might need some spares.

Good idea. I just ordered some with my orders today.
I now have a lot of spare V100D01 parts!

Tom
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Old Sep 20, 2010, 07:30 PM
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Joined Apr 2009
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I'm starting to worry less about the throttle delay. I flew it into the bushes many times tonight and nothing bad happened.. Even some tip overs on landing and no problem.. Did some flights with Common Sense RC 400mAh 20C and the lighter weight made for a nice lighter feeling.. Don't have my timer on this TX so no flight times but they didn't see to bad.. Ended up with a setting of 2:30 on elev and Ali.
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Old Sep 21, 2010, 06:39 PM
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Tom Z's Avatar
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XP-7A-2 ESC RPM measured for the first time

I wanted to know what the RPM was with the XP-7A-2 ESC and my
HP06-2 w/14T motor so I used my trick to arm the main motor.

Here is what I got:

XP-7A2 ESC = 4,140 RPM

WK L ESC = 4,170 RPM

WK L2 ESC = 4,230 RPM

WK L3 ESC = 4,110 RPM

Tom
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Old Sep 21, 2010, 08:30 PM
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Joined Sep 2007
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Walkera is now fixing the V100D01 RX issues!

Great news everyone!
I have just been informed that Walkera is now working on the
V100D01 RX issues that I sent to them through wowhobbies.

I will keep you posted as I find out more.
I don't think it will be too long before they send a V2 RX to be tested out.

Tom
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Old Sep 22, 2010, 12:46 PM
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V100D01 RX-2441V MAX Throttle

I just tached the XP-7A-2 and HP06-2 on both my
CB100 and V100D01 and I got the same RPM.
So the V100D01 RX-2441V is putting out 100% throttle
not 90% like the other 3 axis gyros like the RX2610, RX2610V (V1),
and so on...

Tom
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Old Sep 22, 2010, 07:16 PM
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Joined Sep 2007
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V100D01 outside flight - Flight times

I got my new batteries today and took the V100D01 outside to fly it.
Now that I have had it for over a week now I can
fly and control it very well.
Due to that fact and I have spare parts for it here I pushed it is hard
as I could. On extreme fast tight banked turns it handled perfect
once I adjusted the RX again. Same for when I flew left to right and
right to left and did quick 180* turns and came back the other way.
The heli handled this very well on these also.

With my settings at 1 o'clock for RUDD, 2 o'clock for ELEV and ALIE, and
12 o'clock for ELEV-ALIE Ext it shook and wobbled coming out of the extreme
fast tight banked turns. Then I adjusted to RX to 12 o'clock for RUDD,
3 o'clock for ELEV and ALIE, and 12 o'clock for ELEV-ALIE Ext and it now
handled the fast tight banked turns perfect! It didnít shake or wobble at all.
With these adjustments and the powerful and light HP06-2 motor the helicopter is incredible
flying outdoors. It handled everything I could throw at it and as aggressive as I could possibly get!
It is very fast, stable, and responsive. Climb out is wicked! I was flying a fast CW circle
and came around the turn and my helicopter disappeared. I did a quick look and it was
almost up in my tree. I gave it too much throttle in the turn and it shot up fast. Climb out is great
and I have to get use to it and not over throttle.


I did some battery fight times with the HP06-2 w/14T installed.
With the 500mAh 25C linear battery I got over 8 minutes stopping at 3.8 volts.
With the 600mAh 15C battery I got 6:15 minutes stopping at 3.86 volts
and 10:45 minutes stopping at 3.53 volts.
Keep in mind I am pushing the helicopter fast and doing full throttle punches
so just normal hovering, circles, scale flying will get much better flight time.


After I break in my 8 new 600mAh 20C batteries Iíll time them also.
I did try one though and the first flight with it got 5 minutes at 3.86 volts.
Also I want to try the 003 w/13 and 14/T and time them also.

On a scale of 1-10 for how it flew and performed today I give it an 11!
I have to get a video of this to post! Will get someone over to film me if they can
follow me fast enough...


Tom
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Old Sep 22, 2010, 07:26 PM
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Tom that is awesome You do such a good job with your reviews . Are you back to runnning the stock ESCs and a 2.9 motor with your HP06. I will have to add the 2.9 to the shopping list.
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Old Sep 22, 2010, 07:34 PM
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UK
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Quote:
Originally Posted by Tom Z View Post

I did some battery fight times with the HP06-2 w/14T installed.
With the 500mAh 25C linear battery I got over 8 minutes stopping at 3.8 volts.
With the 600mAh 15C battery I got 6:15 minutes stopping at 3.86 volts
and 10:45 minutes stopping at 3.53 volts.
Keep in mind I am pushing the helicopter fast and doing full throttle punches
so just normal hovering, circles, scale flying will get much better flight time.

On a scale of 1-10 for how it flew and performed today I give it an 11!
I have to get a video of this to post! Will get someone over to film me if they can
follow me fast enough...

Tom
Thats Great Tom you got better timing's on the lightened version with aggressive flight than I got with the stock with only very careful hovering - Looks like I will have to get a HP06-2 14T and 2.9 tail now.

Regards David
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