Autorotation.... - HeliFreak
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Old 09-25-2017, 04:41 PM   #1 (permalink)
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Default Autorotation....

So for a couple of years I've practiced autorotations on the sim. Today I decided what the heck. I had a new set of blades on my 380. Why let them live for more than 2 flights, so I tried my first non-emergency auto IRL. I was amazed at how easy it was on the 380. I know that I should have started with a larger heli, but those 1 don't have gorilla gear and 2 are a lot more expensive to crash.

I will now be ending all of the 380 flights with an auto if the wind is right.



I challenge all of you who were afraid of autos like me to try them out on your 380.
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Old 09-26-2017, 01:27 AM   #2 (permalink)
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Congrats on the successful auto! To date, I have not even thought of doing an involuntary auto. That needs to change. Plus, I don't have a 380. Yet...
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Old 09-26-2017, 10:36 AM   #3 (permalink)
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Congrats man! I try to never do a normal landing with mine. It's just too fun! I've seen a few guys do some sweet inverted autos with a dismount on this heli. I just am not ready.
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Old 09-27-2017, 02:11 PM   #4 (permalink)
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Whoops.

Tried more today at lunch. Popped a link on landing and boomstruck. The price of the EVO boom is I think I'm going to switch to cheaper align blades and the aluminum boom now. At least for practice. Although I really do like the Rotortech 380s.

I can flex the boom and hear a bit of crunching sound. Anyone think I could flow thin CA into it to fix it? It's pretty beefy.
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Old 09-27-2017, 03:15 PM   #5 (permalink)
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Post a picture of the boom - it's likely CA will hold it fine.

And yes, the P380 autos very well.
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Old 09-27-2017, 03:32 PM   #6 (permalink)
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Hard to get a good pic because it didn't shatter, just cracked.

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Old 09-27-2017, 04:22 PM   #7 (permalink)
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Lordy. I wouldn't be wicking CA into and flying that. You said you could hear crunching? I wouldn't use it

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Old 09-27-2017, 05:10 PM   #8 (permalink)
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380 is an amazing auto machine. Super light loading, it floats. I do a lot of inverted autos with mine.
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Old 09-27-2017, 05:27 PM   #9 (permalink)
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Interesting discussion

Which blades would be good to start training autos? Probably blades that are on the heavier side? I currently have those to choose from:
- MsComposit (current main)
- Align
- Zeal

Was also planning to try the rotortech.

Or just choose the cheapest to minimize cost?
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Old 09-27-2017, 06:50 PM   #10 (permalink)
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They all auto well. Don't overthink it. Just hit the hold switch.
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Old 09-27-2017, 07:30 PM   #11 (permalink)
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My Gaui X3 autos with everything from 325 to 380. Mostly Aligns and the super cheapie 5-10 dollar stuff on line. I went thru a lot of blades in the beginning.
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Old 09-27-2017, 08:09 PM   #12 (permalink)
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Quote:
Originally Posted by mulchi View Post
Interesting discussion

Which blades would be good to start training autos? Probably blades that are on the heavier side? I currently have those to choose from:
- MsComposit (current main)
- Align
- Zeal

Was also planning to try the rotortech.

Or just choose the cheapest to minimize cost?
Speaking for my 470, I found rotortechs to be heavier than the blades I was running before. More mass, more intertia, better autos.

But in the beginning you'll be busting up some blades, so maybe the Align cheapies
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Old 09-28-2017, 12:13 AM   #13 (permalink)
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The align 380mm blades are a great price if you pick up the blems from grandrc

For as often as I smash mine up I couldn't bring myself to kill $40 blades each time having unbreakable skids can be a bad thing with bravery for the rest of the heli at times haha
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Old 09-28-2017, 01:20 AM   #14 (permalink)
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If you happen to have deep grass or weeds/oats you can learn over it. I knew the window for a Blade 450 was going to be tight so my first few autos were over the deep grass/weeds. It worked and i found it was really tight to flair the 450 but the weeds saved it. I got the hang of it enough to go 5 times before a bent feathering shaft on hard road. Now I really refrain from autos with the 450s.
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Old 09-28-2017, 03:08 AM   #15 (permalink)
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Thanks guys! Will use the Align blades then. Just have to find enough courage to start.
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Old 09-28-2017, 07:04 AM   #16 (permalink)
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I haven’t done a complete auto with mine yet but I can say that the switch blades float better than the align blades. I usually cut power to land a couple feet off the ground and the align blades it drops like a rock the switch blades seemed to float a little and I could soft land.


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Old 09-29-2017, 10:38 AM   #17 (permalink)
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Quick question regarding setup:

I use a HW 60 v4 in heli linear on my P380. To configure bailout I have to setup idle on bailout to avoid slow spoolup, correct?

This is how I have configured it at the moment (DX8G2), and at least on the bench without load it is working as intended:

- hold throttle curve set to 10% in TX (also have throttle cut switch which fully kills throttle)
- use bailout active on all banks
- bailout time 20s
- bailout ramp 50

Is this good so far?

I also thought a bit about how to avoid fast spool-up by accident after landing and I came up with the following solution: My throttle cut switch is a three way switch. I configured two mixes that automatically changes the bank. Meaning if I use the throttle cut switch from 0 (motor on) to 2 it will cycle the banks and automatically deactivate bailout.

Do you guys think this is useful?
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Last edited by mulchi; 09-29-2017 at 10:54 AM..
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Old 09-29-2017, 08:33 PM   #18 (permalink)
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We discussed some of this on the HW thread if you're interested.

https://www.helifreak.com/showthread.php?t=791178
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Old 09-29-2017, 08:50 PM   #19 (permalink)
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Good times with the autos. I will have to break it out again soon, as I'm running out of nitro. :-P

Protos 380 Stretch Auto Fun Part 2 (6 min 3 sec)
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Old 10-07-2017, 11:32 AM   #20 (permalink)
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Wow, it is so much fun, and actually not that hard.

Initially, I just planned to test the bailout and try it couple of times up high, but after three times I though what could go wrong and did a full auto. So cool. The idle on bailout and some wind that we had today helped somewhat.

In the end I did four packs just autos. And the heli is still alive. Gorilla gear is so helpful! Had two tip overs and a couple of times tail fin had ground contact first, but nothing damaged. It is just nice.

The best is, that couple of guys from my club where there and we talked before I tried it. They said that a 380 is too small and I shouldn't try
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