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Old 06-28-2017, 07:52 AM   #121 (permalink)
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Quote:
Originally Posted by Ah Clem View Post
I would respectfully disagree.

Lowering the headspeed does tame down a machine.

It has to be done within reason, but it is another tuning tool, in addition to toning down agility, overall rates, and feed forward, and increasing gain, heavier blades, etc.
Not to argue but my thought was that the FBL controller woult try to compensate to get the same output until the blades did not get enough bite to do the commanded manouvre ore is it more to it?
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Old 06-28-2017, 10:50 AM   #122 (permalink)
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Not to argue but my thought was that the FBL controller woult try to compensate to get the same output until the blades did not get enough bite to do the commanded manouvre ore is it more to it?
My thought is with lower head speed and pre-defined limits you are moving less air with the blades, so naturally, because of limits, the helicopter will react slower. All you have to do is watch someone who is smacking the bejezus out of their helicopter with a super high head speed who suddenly switches to a lower head speed. While he or she can do the same maneuvers, they are markedly slower because the blades are moving less air.

Yes, it is possible to tune things out, but I go for the easiest solution to problems because I don't want to introduce other problems by trying to solve a problem with what can become complex. For my problem, all I have to do is lower my throttle curves for idle1 and idle2. I know what they are now, so if I ever want to "return to zero", it's much easier.

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Old 07-11-2017, 08:45 PM   #123 (permalink)
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On the bolts in the hub thing...

I wanted to take the grips off of the Red eXo the other day, and could not break them loose. I finally resorted to heating each bolt with the soldering iron for about 10 minutes to get them to break loose. It still took a considerable amount of force to get the bolt out.

This is with blue threadlock and very, very clean bolts and threaded holes.
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Old 07-12-2017, 07:35 AM   #124 (permalink)
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Interresting as i have to do the same when the time come to get my head apart.
Was this Loctite 243?
But one question i have with heat is how much can i heat the hub ore bolts befor weakening the hardening of the hub?
Its still aluminum and not steal so in my mind it takes less heat to weaken the metal but i might be wrong.
My backup solution is to sacrefice the hub and cut it.
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Old 07-12-2017, 09:55 AM   #125 (permalink)
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Quote:
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Interresting as i have to do the same when the time come to get my head apart.

Was this Loctite 243?

But one question i have with heat is how much can i heat the hub ore bolts befor weakening the hardening of the hub?

Its still aluminum and not steal so in my mind it takes less heat to weaken the metal but i might be wrong.

My backup solution is to sacrefice the hub and cut it.


Aluminum can be precipitation hardened at soldering iron temps, but it takes many (dozens) hours of exposure and a sequence of temperatures, and the right alloy. To anneal it, which would make it softer, takes much higher temperatures. Of course, the temperatures would depend on the alloy, but ~400 F temps won’t change the structure of the metal.
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Old 07-12-2017, 09:40 PM   #126 (permalink)
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Guess what guys, not sure how long since it been and i had posted that when my heli went down i had me and my kids for almost two weeks looking for the battery that i had lost.

Today i go out flying my sab nitro......i was having soo much fun that i lost though about my fuel level and heli motor turns off. Im like what happen and look at the empy tank

So i pick up my heli after a autorotation in the middle of the field walking toward the car and found my battery.

This is the field i go fly, now imagine the grass 3-4 feet tall when it happen. Then after they cut it i still went for 2 days to look for it.
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Old 07-13-2017, 07:43 PM   #127 (permalink)
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Definitely looks like an archeological treasure
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