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e-Century Hummingbird - Swift > Anybody running 8 or 10s lipo's in a swift 16?
 
 
centuryman
Veteran
Location: deerriver,mn usa

I was talking to heliworld a while back about how hard you could pusha swift 16. There response was along the lines of .A lot harder then you might think.They saw no reason why a stock swift 16 couldn't run 8s and maybye 10 if you could hold the maingear in it on 10s.So i have another swift 16 on the way and i ordered the Neu1907 motor for it.With a 900kv a 9 tooth pinion should get me 2100 and a 10 tooth should be around 2350 by my math.I have the 1907 in the 1400 kv version in my new Gohbee phazor 600 and it is balistic.The bird weighs 6 pounds ready to fly minus the battery compared to my swift at 4pounds 5 oz.that motor on 8s makes 4 plus hp . in the swift with battery it'll weigh 5.7 pounds. Thats 1.425 pounds to hp.Has anybody tryed this set up? I'm thinking I'll have to put on the 620 boom and belt to take advantage of the power.In the phazor the 1907 is unbogable at 15/15 with 620's at 7.2 pounds.
04-05-2008 04:41 AM
 
 
Ben-T-Spindle
Elite Veteran
Location: Central Illinois

The problem with running a big heavy battery on the Swift 16 is rotor loading. If you make it too heavy it will feel heavy in flight no matter how much power it has. If you can keep the weight under control an 8s setup may be good.




... BTS
04-05-2008 01:03 PM
 
 
centuryman
Veteran
Location: deerriver,mn usa

I've been testing an 8s stup in my phazor 600. It's a FP 3200 2 4s packs hooked in series.It wieghs 24 oz compared to my current 6s swift setup with 4250 pack weighs 22 oz.The run time with that pack on my phazor is 3.5 to 5 minutes depending on flight style.
The swift should weigh 5.8 pounds with that battery, and have 4 plus HP with that 1907 on 8s.
Sounds like a lot of fun to me.
In about a week I will let you know.Everything to build it should be her by friday. Having already built a swift and repaired a couple times it shouldn't take long to get up in the air.
Hopefully by next sunday I'll be flying my new monster.
04-05-2008 02:12 PM
 
 
centuryman
Veteran
Location: deerriver,mn usa

The new swift is here and assembleds just putting in electronics.Have a set of 550 widechord blades for it and i sucsesfull installed a double maingear in it.Maybye tomorrow I'll get to fly it.
04-13-2008 02:18 AM
 
 
Ravenhyper50
Senior Heliman
Location: Ottawa

Pics please..this I want to see. Double main gear in swift 16 Nice!
Any mods needed to the frame?

MSH Protos 500, SWIFT 550 Carbon, Swift 620SE, DX-7, JR servos
04-13-2008 05:15 AM
 
 
bellecrank
Veteran
Location: Canada

YOu may want to consider going to the more heavy duty maingear from the 620E for all that power.

OPS - didn't see your later post about having installed the dual gear set-up.
04-13-2008 05:25 AM
 
 
centuryman
Veteran
Location: deerriver,mn usa

no mods to the frame required. I keep getting request for pictures.
I guess I should go buy a digatl camara and join the 21rst century.
I'm curious to see how much lighter then a 620 it's going to be.My 6s swift 16 is 5.5 pounds with 4250 battery. in this one I'm running 3200 8s batterywitch wieghs 25 oz verses the 6s 4250 at 22oz.
With any luck it should come in at 5.75 pounds with 550 wide chords ,1907 on 8s I'm hopeing for a balistic missle.I'm wondering how much heaveir the 620 actully is I heard it was almost a pound heavier. Witch is why i am useing the 16, to keep weight to a minumum.the guys at heliworld assured me that it could hold the power. They told me about the abuse they've put them through this should be cake walk in compareison.The electronics are in, just got to do the programming and head setup.Since i already have a swift i just copied the program in my radio so all i have to do is fine tune the programming for this new bird ,even used all the same seros, so shouldn't even need to reverse any thing.
04-13-2008 05:31 AM
 
 
Ravenhyper50
Senior Heliman
Location: Ottawa

Hey centuryman,
make sure to get a cam that can do video ....I have to see this power house swift in action!

MSH Protos 500, SWIFT 550 Carbon, Swift 620SE, DX-7, JR servos
04-14-2008 06:39 AM
 
 
centuryman
Veteran
Location: deerriver,mn usa

RAVENHYPER50
Had to do some custome mods to get the hv85 in a safe location other then under the canopy. I like to put my betteries under thye canopy. but that is done all that's left is to program it and fly it. However the sun was shineing today so i did'nt work on it much as i was out fling my 6s swift and my Phazor 600.Got in almost 30 flights between sunday and monday. Not bad considering we just got two and a half feet of snow this week.And my flying feild is a mess,but fortanitly there is a hump in the middle just big enough to land on. so i plowed a path to it .A guys gota do what a guys gota do
When my buddy ZAAAGUY72 gets back from vacation I'll have him dig out his video camara and see if he can keep this monster in the frame.
Should'nt be a problem I'm not excactley a pro yet.
04-15-2008 05:02 AM
 
 
Optech
Key Veteran
Location: Vista/Oceanside, CA.

I'm kinda trying the same thing.

Right now I have a Standard Swift16 that I've been flying on 7s with an HV85/Rotortech 515/Z30-800. I've got a 3000 and a 4000 mah pack.

I want to step-up to 8s on 550s which I thought was considered "appropriate" (i.e. 8S for 550s, 10S for 600s) for that blade size. Is this not the case????

In anycase, I bought a Carbon550 and was going to transfer the Z30 but was considering a "higher" quality motor as I've read alot of quality issues with the Z30s. Problem is there is not much out there that will work on 8s with the Century gearing.

I've also read that the 1907 is not enough motor for a "550" size machine. Which sucks, if true, because the 1.5y at 915kv would work okay for the Century gearing on 8s.

The next step up is the 1910 but the 1910/1Y 1050kv motor is too much. The 1910/1.5Y 680kv would need a large pinion and I think the motor would turn too slow and be "boggy" on 8S.

Or... should I just say "screw the Neu" and fork out for a Tango 45-08??

This is all kinda giving me a headache.

Mike

Viva La Airtronics!
04-16-2008 09:37 PM
 
 
Century Heli
Senior Heliman
Location: CA. USA

Here is another option for 8S.



http://www.centuryheli.com/products...45&prtnm=CNE275
04-16-2008 10:02 PM
 
 
Optech
Key Veteran
Location: Vista/Oceanside, CA.

Isn't that motor like 13oz! or something?

Kinda much for a 550 heli already carrying an 8S battery pack isn't it?

Mike

Viva La Airtronics!
04-16-2008 10:09 PM
 
 
Century Heli
Senior Heliman
Location: CA. USA

12oz. as compared to 9.5oz for the 600A+. That's only 2.5oz more weight.
04-16-2008 10:28 PM
 
 
centuryman
Veteran
Location: deerriver,mn usa

Just came in from the first two maiden flights on the new 8s monster swift 16.Took a while to get the asc dialed in ,but useing finless bobs video on the HV 85 as i did when i programed my phazor with the 1907 and hv 85,It did'nt take long.
Anyways the 1907 laughs at 15 degrees of pitch with 530 blades, the motor is barely above ambient.the heli wheighs in at 6 pounds 1 ounce with 2 fp 3200 30 batteries in series for 8s.Now that i know everything is working as it's supposed to I will put the 550 widecords on it tomorrow. The 1907 is apperently a very effeciant motor on 8s,My calculations with the 1.5y 1907 at 915kv with a 9 tooth pinion would have been 2224 headspeed useing a 90% effeciancy rateing.So far at 60% throttle I'm running 2250 .I'm thinking it would probabley pull 2400 to 2500 if i cranked the throttle.
By the way OPTECH my 6s swift pulls 550 widechords like nothing with the 600a motor on a 9 tooth pinion at 2100. I'm fitting those same blades to my new 8s swift tonight.
I was going to mention this is just the std version neu not the heli version with the fan.
Hey century heli It's funny that you mention that motor, Because I just ordered a swift 620 combo with the 10/12s 650 motor.I have a pair of fp 3200 6s packs on the way also I'm hooking them in series for 12s I'm hopeing to keep the helli in the 7 pound range.My calcalations for 12s with a 10 tooth pinion should put me around 2300/2400 headspeed, Sound right to you?
04-17-2008 02:51 AM
 
 
laughingstill
Key Veteran
Location: Gainesville, Fl, USA

You have to post a vid when you get to it! My Swift was on a 10s A123 (close to the same as an 8s lipo) setup and it was pretty insane!

3DMP-E, Logo 6003D, Logo103D Carbon and Trex 450se Flyin Firefighter
04-17-2008 02:54 AM
 
 
centuryman
Veteran
Location: deerriver,mn usa

How much did it weigh and what blades did you run and what was your headspeed and pitch settings? also what motor were you running?
I have a couple A 123 packs, 1 7s for my 6s lipo swift and 1 10s pack for my 8s lipo Phazor 600.They are good for warming up but they just don't come close to the flight power packs performance.The 3200 fp packs i use are 30 and 60c rated witch gives 96 amps cont and 192 amps peak witch is about double of the a 123's,And you can tell the difference in the air, big time. But It's nice to be able to charge in 20 minutes.I can charge and fly my a 123 Packs twice while my lipo is charging once.
I'd be interested in what your setup was.
OPTECH you should give a 1907 a try, like you said the 1.5y is the perfect kv rateing for 8s and the power is awesome and it's a lite motor.The one in my phazor pulls 620 blades at 2100 and 13/13 pitch and is under a 100 dergees farenheit after a pretty hard run.It's the heliversion with the fan.
04-17-2008 03:35 AM
 
 
bellecrank
Veteran
Location: Canada

Centuryman,

When you stated "I have a couple of A123 packs, 1 7s for my 6s lipo swift and 1 10s pack for my 8s lipo Phazor 600.They are good for warming up but they just don't come close to the flight power packs performance."

I have to second that motion very emphatically. As I discovered that a few years ago and have been preaching about it ever since. If you want performance, and I mean a real step up in performance, one MUST go high C rated lipos, and drop the A123's.

Everyone at our field who tried the difference has never gone back to their A123's.

Another is the Century motors - as you also have discovered.
04-17-2008 04:49 AM
 
 
centuryman
Veteran
Location: deerriver,mn usa

Not clear on your take on the century motors, I only have the one. Its the 600a 1100 kv. Runs good on 6s but can't touch the 1907 on 8s.To be fair i have not tryed the 1907 on 6s or the centeury on 8s so it's a bit like apples to oranges.Whats your opinion?
04-17-2008 05:17 AM
 
 
laughingstill
Key Veteran
Location: Gainesville, Fl, USA

Quote 
How much did it weigh and what blades did you run and what was your headspeed and pitch settings? also what motor were you running?
It was a Swift 550 carbon, it weighed just over 6lbs RTF, blades were Rototech 560mm, headspeed was 2100, pitch settings were +/-12°. A123 cells can give you the output you need but the sacrifice is weight. But the advantage is they offer super fast charge times, extremely durable, and cost 1/3 or the lipos. If you want every possible bit of performance and do not mind the cost, go with lipos but if you want great performance, fast charge times, and no worries in a crash or when charging the batteries, then go with the A123 cells.....Ron

3DMP-E, Logo 6003D, Logo103D Carbon and Trex 450se Flyin Firefighter
04-17-2008 12:12 PM
 
 
centuryman
Veteran
Location: deerriver,mn usa

Thanks LS
What motor and gearing were you useing?
04-17-2008 02:25 PM
 
 
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e-Century Hummingbird - Swift > Anybody running 8 or 10s lipo's in a swift 16?
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