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HomeAircraftHelicopterClubs and Associations › New Zealand Heli discussion
01-23-2012 07:16 PM  6 years agoPost 8381
Magnazan

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Auckland - New Zealand

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Boom, Tailbox and servos in. Setting up the head now. It really is just a big Atom.

Batts and other assorted electronics are in the country and I'd estimate should be here in a couple of days. Should give me time to get the wiring done.

Ian | 7HV ULT | Rave Ballistic FSO | Warp 360 | DX9

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01-23-2012 07:55 PM  6 years agoPost 8382
Footey

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Hamilton New Zealand

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Driver for the cold light string

http://www.hobbyhangar.co.nz/night-...ring-p-555.html

Life is like a bath, the longer you stay in it the more wrinkled you get.

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01-24-2012 01:30 AM  6 years agoPost 8383
Corrari

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Pahiatua, New Zealand

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..I got your box Andrew..

Why fly RC helis? Because Rugby, Soccer and Golf only require 1 ball...

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01-24-2012 08:04 AM  6 years agoPost 8384
plantone

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Perth wa

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Corrari

Did that info i gave you back on page 416 help at all ??? let me know what you think of the settings of 601 its a good gyro.

Wayne

Mongoose
Srimok FAI
SAB Goblin
ENV Rave Next D 450

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01-24-2012 09:13 AM  6 years agoPost 8385
Magnazan

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Auckland - New Zealand

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Another 6HV question.

Got the servos and head on with the linkages using the supplied white compass arms. Balls are on the inside and I have the servo spacer for the bottom front servo.

When viewing the link geometry from the front or rear of the heli it creates a tee pee shape / \ with the links to the swash. Is this correct?

Ian | 7HV ULT | Rave Ballistic FSO | Warp 360 | DX9

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01-24-2012 09:28 AM  6 years agoPost 8386
Axeman

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Auckland, New Zealand

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For Sale:-)
Gents,

I caught up with George a couple of days before xmas and finally test flew my Furion6 on 10S - yeehah! I had bought the kit back in May when we went to the Australian Coffs Harbour event and built the kit straight away. 7 months later I finally test flew it!

I bought a Rave90 off Kevin back in June. It had Kevins 91SZ motor in it and I thought I'd repower it with the new 3d Speed Black motor and pipe and bought these 2 months ago in November.

Despite the Rave already being built with servos installed when I bought it, I haven't even test flown it yet (7 months) - let alone put the new engine in it.
I had a look through my log book and I did a total of 26 heli flights for the whole of 2011 - sad

Which leads to me having the brand new OS 91 HZ-R 3D speed (the black motor) and matching Hattori #968 pipe surplus to requirements as I don't have the time at the moment.

http://www.osengines.com/engines/osmg1981.html

http://www.hatori-models.co.jp/HP3/...heli/968-e.html

So - who wants to repower their bird with the latest and greatest OS 3D regulated Black 91 engine and get it run in just in time for the Down Under heli event happening next month??

The cheapest I've seen them is USD$450 plus USD$200 for the pipe.

Oh - did I mention I am selling it cheap to one of my fellow Kiwi fliers - just PM me for details so I don't upset the local vendors

Here's a picture of my fleet that I'll be bringing to the event - it will be great to catch up with the Aussies along with Nick and Bert again (Bert was at the Coffs event in Aus and put on a great show with Bobby).

First in gets the bargain before I change my mind......

Cheers,

Steve Engle

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01-24-2012 05:19 PM  6 years agoPost 8387
raynman

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Lyall Bay - Wgtn - N.Z

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Holy snizzle Steve - you have enough helis to sink a boat!
Nice

Jonzez - your Ballistic arrive at your doorstep today? Mite pop up on Fri or Sat if the weather plays nice.

Kh

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01-24-2012 07:33 PM  6 years agoPost 8388
Magnazan

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Auckland - New Zealand

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The scary thing is there are planes as well!

Ian | 7HV ULT | Rave Ballistic FSO | Warp 360 | DX9

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01-24-2012 08:13 PM  6 years agoPost 8389
Kevinator9

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Palmerston North, New Zealand

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Ian, my links certainly lean towards the swash a little. I would call it normal as long as you can get the swash level throughout the range.

Andrew

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01-24-2012 08:20 PM  6 years agoPost 8390
Magnazan

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Auckland - New Zealand

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They don't seem extreme angles and the servo with the spacer on just clears the antirotation so all seems good.

Hoping my batts arrive today so i can finish the wireing and get it in the air :O

Looking at a 24v setup for chargers now and especially looking at the iCharger range of chargers. hmmmmmmmmm.

Ian | 7HV ULT | Rave Ballistic FSO | Warp 360 | DX9

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01-24-2012 08:31 PM  6 years agoPost 8391
bigbadflyer

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Middle Earth New Zealand

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I have 3 off these for my 12S setup and do love them. ichargers are good as well but I dont like the parallel changing idea.

http://www.hobbyhangar.co.nz/charge...ger-p-5244.html

New Zealand Helicopter Sheep Hearding Champion :-)

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01-24-2012 09:37 PM  6 years agoPost 8392
Magnazan

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Auckland - New Zealand

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What's not to like about parallel charging?? It's the way of the future.

Ian | 7HV ULT | Rave Ballistic FSO | Warp 360 | DX9

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01-24-2012 09:56 PM  6 years agoPost 8393
bigbadflyer

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Middle Earth New Zealand

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How do you know if one of your cells has an issue whilst charging??
If one cell is struggling to charge evenly the charger does not know this and overcharges the parallel cell?? Please correct me if I am wrong because this is what I have read but may misunderstand it. I would rather have a charger show exactly what each cell is doing independently and shut down if there is a problem.

New Zealand Helicopter Sheep Hearding Champion :-)

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01-24-2012 10:10 PM  6 years agoPost 8394
Kevinator9

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Palmerston North, New Zealand

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Here is a page on Parallel Charging.
http://www.tjinguytech.com/charging...rallel-charging

As long as it is done correctly it is fine (just like any charging setup).
But if the charger only sees one pack, how does it balance all the packs?
All the individual packs will be balanced by the charger if a parallel balance adapter used. Using this also ties all the like cells of all the packs together (first cell in all the packs are tied together, second cell in all the packs are tied together and so on). Then not only do the packs all become the same voltage but each set of cells does also. The charger then balances all the packs as if it was charging a single pack.
If one cell is struggling to charge the other good cell will not overcharge because they are tied together meaning they are at the same voltage all the time. It will just take longer to charge those two cells.

Andrew

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01-24-2012 10:26 PM  6 years agoPost 8395
bigbadflyer

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Middle Earth New Zealand

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If one cell is struggling to charge the other good cell will not overcharge because they are tied together meaning they are at the same voltage all the time. It will just take longer to charge those two cells.
I still dont understand I'm sorry. If one cell wont lift above 3.80V because it has a fault how does the charger recognise this and stop it from charging the other cell to 4.60V ?? The charger doesnt see individual cell voltages only an overall amount between the 2.

New Zealand Helicopter Sheep Hearding Champion :-)

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01-24-2012 10:39 PM  6 years agoPost 8396
raynman

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Lyall Bay - Wgtn - N.Z

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My icharger has a function which allows me to check each cell from both lipo packs when balance charging in parallel. Just need a generator NW to complete my setup.

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01-25-2012 12:36 AM  6 years agoPost 8397
jonzey

rrApprentice

Levin, New Zealand

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Jonzez - your Ballistic arrive at your doorstep today? Mite pop up on Fri or Sat if the weather plays nice.
Will be here tomorrow big fella.

Matt.

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01-25-2012 12:55 AM  6 years agoPost 8398
sjw

rrApprentice

Hamilton, New Zealand

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I think I need a Ballistic too.

Steven

Rave ENV(Flybar)
Rave Ballistic FSO(Beast-X)

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01-25-2012 01:25 AM  6 years agoPost 8399
raynman

rrKey Veteran

Lyall Bay - Wgtn - N.Z

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Get one bro, only 2 in stock - go nice with your nitro version.

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01-25-2012 01:48 AM  6 years agoPost 8400
alchemist

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Auckland,New Zealand

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I still dont understand I'm sorry. If one cell wont lift above 3.80V because it has a fault how does the charger recognise this and stop it from charging the other cell to 4.60V ?? The charger doesnt see individual cell voltages only an overall amount between the 2.
Each cell is tapped so the charger can see the voltage of each cell. Most of the chargers on the market currently employ shunt balancing, eg: all cells are charged via the main battery connector and any cells (relatively) that are accumulating charge faster (for what ever reason) are explicitly shunted/discharged via the balance tap. Most charges will have a maximum charge time and a maximum cell voltage as protection, after which the charge is terminated automatically.

The main issue (with fast 2C+ charging) is if your charge rate is too fast for the shunt balancer eg: it can't completely offset the incoming charge. The ideal way is to charge each cell via the tap and stop charging the high cells rather then shunting them, of course currently the limitation would be the battery balancing wire gauge/rating.

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