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11-26-2006 04:24 PM  11 years agoPost 1
400HeliPilot

rrApprentice

Boca Raton, Fl - USA

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Bought two HDX450's from Helidirect last year before I knew they were "odd" for some Shoguns. But I want them for 680g Belt CP's now (better match anyway).

Now I find HDX450 (or ELE460FX) don't work on Tower Pro (60A is the exception, Ebay is proof of that) or Dynam ESCs. I had tried my 40A TP & just got sputter like everyone.

But I ordered 2 Dynam 30A ESCs for $25/each hoping to fix this before I knew Dynam/Sonix branded ESCs were on the no-no list too. The Dynam manual does say it defaults to "soft" timing, & that for Model Motors Outrunners (MM, like JustGoFlys) you must set "hard" timing. I know now the HDX450 is a poor 450TH clone (for awhile the website even had same name, but it was a year ago, so now I'm stuck with these heaps).

Might "hard" timing work or do I have to try to return these 2 ESCs to Helidirect straight away?? I believe the JustGoFly's, MM's, 450TH, etc, work on CC and MM ESCs, even the HDX450 clone. Yet Helidirect sells the HDX450 clone paired with Otter 35A ESCs ($32 unit).

Have heard the 450HDX motor can seperates inflight making crashes. But if the rear grub screw (secures case) was locktited, I'd think it might stay together (pre-emptive strike for bad design/build). I know the 2950kv power isn't the best, but I just need to slow & low hover on 16A-24A 2000mah 3S Lipos.

Realize CC is the way to go for helis but my CC-9 ain't gonna cut it. Needed to save money since I just got burned $80 on 4 1300mah "Sonix 15C 11.1v Lipos" from HD. They only charge to 1000mah, get hot under discharge (Honeybee CP2, 3800kv outrunner), & have no power, by contrast, the E-power 1300's from long ago (7C packs) have crazy power.

Logic says change vendor, but I've had good luck/pricing till now.

Esky's $28 3800kv Honeybee Cool/Belt CP motor is an option, but I have the 3.17mm 11T pinion for the HDX450, was just hoping the Dynam 30A might work on "hard" timing (similar to Model Motors outunners); anyone know? Thanks.

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11-29-2006 11:05 PM  11 years agoPost 2
darkside212

rrApprentice

Milwaukee, WI USA

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I spun up the hdx450 motor on the Dynam 40A, but it wasn't under a load..it was fine BUT I'll need to throw it in my heli to test it for sure...I have the ele460 as well--very nice motor but I have to use a quarks 33A V2 with it (or my ele advanced 30a)

another options is the ELE advanced 30A (might be a little small) coupled with a separate BEC. I'm flying one in my Cyclone 400 (same as hdx400se) and it works great...even with out the ext. BEC

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11-29-2006 11:21 PM  11 years agoPost 3
darkside212

rrApprentice

Milwaukee, WI USA

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Good to go

I just put it in the heli...didn't fly it but I spun the blades and the Dynam 40A worked great...no sputtering or weird noises!

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11-30-2006 02:57 AM  11 years agoPost 4
400HeliPilot

rrApprentice

Boca Raton, Fl - USA

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Thanks for the info Darkside212, well I ordered & got the EK5-0006 (stock Belt CP 450 BL motor, they recommond 10T pinion, 3800kv). It's very smooth on the Dynam 30A (just program options, brake on/off, and soft/hard timing).

The $28 E-sky motor is also a 6 magnet outrunner (good qual, bearings, machine wound, etc), haven't spun my 325 yellow Align fibers yet tho, probably use a 9 pinion due to low C 2000 lipos in the quest for low hover amps (training) and longer flight time.

I ran the $28 20A Esky BL (biggest they make) on the yellow Dynam ESC (little thing, 30A sticker, reminds me of otter 35A circuit board ESC) and just spun outside heli; but in both soft & hard timing modes it is extremely smooth (hand holding), "hard" timing seems to "turbo" the motor & seems it would chew amps (3D guys would love it I think).

I do wonder if that clone (HDX450 / ELE60fx) motor (2950kv) is perhaps less powerful than the 3800kv Esky (20A) motor & might make better flight time & lower hover amps. Build qual on Esky 0006 motor is really good tho, grub screw on back end and all, unlike the HDX450, which seems hand built, but as long as it stays together (heard bad seperation stories).

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11-30-2006 03:07 AM  11 years agoPost 5
darkside212

rrApprentice

Milwaukee, WI USA

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I want to clarify this is the HDX450 I just tested:
http://www.helidirect.com/product_i...roducts_id=1460

The other hdx450 motor which looks the same as the ELE460fx is NOT compatible with the DYNAM40A

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11-30-2006 01:38 PM  11 years agoPost 6
400HeliPilot

rrApprentice

Boca Raton, Fl - USA

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You linked to the 3550kv HDX450. So I guess the "lighter blue" 2950kv HDX450 is harder to run on ESCs then?? I've seen complaints even from CC25/35 users...

Far as the 2950kv "lighter blue" I know the TP < 60A don't spin up, just sputter. The Otter 35A spins it, but often sputters & sometimes fails to start or sometimes flames up. I think the Quark 33A is advanced enough to run it. After that I haven't anything concrete. Haven't tried my Dynam 30A, don't wish to wreck a working ESC...

E-sky's $28 3800 upon closer inspection looks really similar to the 3550kv HDX... but it has a 2.3mm shaft. E-sky's motor casing is "ruffled" like stacked rings (purple anodized top/bottom tho), I can't see clearly enough the pics of the 3550kv HDX.

The lighter blue 2950kv is not the same as ELE60FX?? Judging by ESC failures it seems the same...

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