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Century Radikal E640 - Swift 16 NX
› Swift head speed ???
10-28-2006 08:34 PM  12 years agoPost 1
wrathofkhan

rrKey Veteran

LA, CA - US

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hello,

i recently purchased an used swift (1C), what kind of head speed should it hover at? when i tried flying it earlier today, it as hovering at 1,260 -- but felt a bit low.

details for my ship:
Swift 1C combo[B]
Hacker A30-8XL BL Motor - 11T,
Flightpower LI-PO 3700MAH 4S1P 14.8V 20C,
401/9650,
80A CC Phoenix
i run separte batteries for the gyro/cyclic


i was thinking of going to 12T with the same setup to increase head speed, but am concerned it is going to get too hot (when i touched the motor after running it earlier today, it was warm but not hot - battery temperature seemed fine, same with the esc)

thank you in advance ... khan

PS i am still a beginner/novice ... just for forward flight, some loops/rolls

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10-28-2006 08:40 PM  12 years agoPost 2
wrathofkhan

rrKey Veteran

LA, CA - US

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Forgot mention, I am using a 550 sized wood blades for now ...

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10-28-2006 09:48 PM  12 years agoPost 3
fixnfly673

rrNovice

Kenosha, WI - USA

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Head speed
Thats the right headspeed for that combo. If you check out http://www.swifttuning.com theres a chart in the motor section to help with gearing and headspeed calcs thats pretty usefull. That hacker setup is ok for beginners, its the setup I had started with. I have since upgraded to 6S1P 5000 packs, HV-45 ESC and the Century 600 motor (not the plus, it came out after I bought mine). If you bump up to 5S packs on the A30 you can get a little more headspeed and its a little more responsive. When I ran the 11t pin with the 4S packs my motor ran pretty hot, Im not sure that the 12t pin will get what your looking for. I would say that to get the true performance out of this heli you should get a solid 6S setup, unfortunately the A30 motor is only rated to 5S.

Hope this helped some, good luck!

E

Time to switch to Nitro!

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10-28-2006 09:52 PM  12 years agoPost 4
TomC

rrKey Veteran

Gold Coast, Queensland, Australia

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I'd ditch the 550 woodies and go to the stock swift 520mm blades. Much lighter and you should get a lot better performance with them. Also, think about using a ubec instead of rx batteries. Any weight savings will improve the swift performance. Your 11t should be fine.

Cheers,

Tom C

Nqx,Mcpx-BL,300x,450x,500x,550x
Ion-x, 10s ,SS
TT X50E 10s, HC3-Sx

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10-28-2006 11:19 PM  12 years agoPost 5
oldfart

rrProfessor

Vancouver, Canada

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Yep, go to the 13T pinion and 515 to 520 blades and it will come alive!

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10-29-2006 04:10 AM  12 years agoPost 6
wrathofkhan

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LA, CA - US

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my motor with the current setup was slightly hot (11T), wouldn't it tax the motor a lot if I used 13T?

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10-29-2006 04:15 AM  12 years agoPost 7
TomC

rrKey Veteran

Gold Coast, Queensland, Australia

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This is because you are using 550 blades. Go down to 520mm stock woodies and things will cool down a lot and your performance will improve. If this runs cool, then maybe try a 12t pinion. You will not get anywhere with your 550's unless you want to drop to a 10t pinion and go for very soft sport flight.

Cheers,

Tom C

Nqx,Mcpx-BL,300x,450x,500x,550x
Ion-x, 10s ,SS
TT X50E 10s, HC3-Sx

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10-29-2006 06:20 PM  12 years agoPost 8
Pistol Pete

rrProfessor

Seffner, FL

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agree with switching blades to stock.

~~Enjoying the hobby one flight at a time~~

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10-29-2006 08:05 PM  12 years agoPost 9
wrathofkhan

rrKey Veteran

LA, CA - US

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tried the stock wood blades earlier this morning, what a difference !!! the head speed was around 1500 during hovering.

forgot to measure the motor temperature though, if it runs cool ... then i will try the 12T pinion

now, if only i could get the shaking to stop during spool up/down (what i ended up doing is just hit the throtle hold while spooling down)

any other suggestion to a new comer will be much appreciated !!!

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10-29-2006 08:21 PM  12 years agoPost 10
Pistol Pete

rrProfessor

Seffner, FL

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check that upper shaft collar is not too tight againts bearing...use a piece of paper (0.10mm) folded in half as a gauge...this has helped others.

oh yeah...hate to ask but...blades are balanced?

Best of luck!

~~Enjoying the hobby one flight at a time~~

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10-31-2006 11:53 PM  12 years agoPost 11
wrathofkhan

rrKey Veteran

LA, CA - US

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upper shaft collar spacing seems fine. i lubed up the main head. blades are balanced, flybars are equally spaced.

i put some of those rubber skids on the skegs. hopefully this will work !!!

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Century Radikal E640 - Swift 16 NX
› Swift head speed ???
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