Swing at 1800 rpm, is right?

[nivaldin]

what's up guys,

My Fusion is swinging at 1800 rpm, at 2000 rpm is fine.

Someone already tried 1800 rpm or lower?
You guys can try this and tell me if is normal?

Thanks

[Carapau]

Im sure it will be fine at 1800. I know a chap who flies his Align 600 at about that head speed, maybe even at 1600. It doesn't make the heli quite so stable in the hover and it slows down the manoeuvrability of the bird otherwise it should work. Personally I would stick to nearer 2000. You can get flights of 6-7 minutes of sport flying at this head speed and the heli comes alive from 2000 rpm.

[nivaldin]

I think I found the problem. The foam under the mini-vbar was too soft. I just replace it with a more rigid foam and the problem gone.

I did just a little test at home and the swinging disappeared.
But I'll do a test at field later to confirm;

---------
I did a field test, and the shaking/swinging persists

[ke6d]

I ran mine at 1550 rpm before just for the fun of it. It is stable with vbar 5.2. You can hover and fly circuit but that is about it. I was able to fly for more than 10 min on a set of 6S 3000mA packs.

[Wh1teAfr1can]

if you have good enough collective management IE Matt Bottos he ran a e6/7 down to 1000 headspeed and was doing piro flips and hurricanes lol

[nivaldin]

Originally Posted by ke6d

I ran mine at 1550 rpm before just for the fun of it. It is stable with vbar 5.2. You can hover and fly circuit but that is about it. I was able to fly for more than 10 min on a set of 6S 3000mA packs.

I'd like to fly at this low rpm too, just for fun as you said.
But at 1800 rpm my fusion 50 is still doing a little shaking/swinging

Some suggestion to solve it?

Thanks

[JustPlaneChris]

Try greasing your spindle shaft / head dampers with silicone grease. If it still shakes, you may need softer dampers for such a low headspeed.

[poor_red_neck]

I know It's not a fusion... But I fly my Outrage 550 FBL at 1800 with the red dampners. No shakes, and enough performance for light flips and stuff.

I'm sure a 600 size can handle 1800 just fine and probably perform better.

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