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12-01-2015 01:51 AM  31 months agoPost 1
jhartsock3

rrApprentice

Greenwood, IN

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So my reason for a low Head speed heli is a little different then most. I'm trying to figure out a good air frame for low HS Precision Hoover / mild aerobatics. (nats style flying maybe f3c for the future) I currently have an agile 7.2 and trying to tune my Icon for low HS on it just isn't working the way I would like. So I may keep the agile for a beater.
I'm looking for one that will allow it to easily be tuned to say 1400-1500 HS with no bad tail twitch or head oscillation. Most likely I will be using a castle vertigo in it 490KV. So something that will give me a gear ratio in 9.3 range would be good. I do want a heavier air frame as stability and ease of tune at the low hs is top priority. I have owned a TSA in the past and was debating another but wanna see what others are good for this type of flying. Was also thinking a Mikado 700 extreme but not sure how it does on low HS. Keep in mind my FBL tuning skills aren't the greatest so the easier to tune the better.

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12-01-2015 01:55 AM  31 months agoPost 2
don s

rrElite Veteran

Chesapeake, VA

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I would also look at getting something that allows you to use softer dampers in the head (non-DFC).

E820, Raptor G4N, X50F/E, E620, Forza 450, and some planks.

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12-01-2015 02:28 AM  31 months agoPost 3
jhartsock3

rrApprentice

Greenwood, IN

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That is one issue with my agile can get any different head dampaners other than stock. But it does have the non dfc head its a v2.

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12-01-2015 02:59 AM  31 months agoPost 4
turboomni

rrProfessor

East of the Equator

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I find that odd you are having troubles with your heli at 1400 to 1500 head speed,,but I am not personally familiar with the Agile.
Could you swap out the head with an Align non DFC head? I have seen others use an Ikon for low head speeds too. I am sure you have done this but I will say it anyway. Anything slightly bent or out of balance? Maybe blade grips too tight. I know you know all of this but I just thought I would mention it. Sometimes things show up at a different head speed [in this case lower] that aren't apparent at higher head speeds.

Setup is everything, All my heli's can fly far better than I can pilot them

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12-01-2015 03:13 AM  31 months agoPost 5
jhartsock3

rrApprentice

Greenwood, IN

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One problem with the agile head is that blade grip pressure has a lot to do with dampening. And getting it set so its not to tight. But tight enough for the lower headspeed is a challange.

This is my second and I finally did get the first one tuned good. But took about 50-60 flights to get it there but even it wasn't perfect. I bought this one off a buddy getting out of hobby and sold my first one. And now wondering if I would be better off starting with an airframe that would be more adaptable to this flying style. (Ie more things like choices in dampening maybe something that allows a speed up tail). Or just keep tuning on agile till I hit the sweet spot.

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12-01-2015 03:28 AM  31 months agoPost 6
turboomni

rrProfessor

East of the Equator

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One problem with the agile head is that blade grip pressure has a lot to do with dampening. And getting it set so its not to tight. But tight enough for the lower headspeed is a challange
Well that does suck. I guess it could be because all helicopters today are being designed for wicked high head speed. I have a Align 550 Pro dfc and by the time I was done with 5 minute flights at best at 2500+ headspeeds I had to go to old faster tail gears as I got lower towards head speed as the tail wouldn't hold well. It was too damn slow. I am at a sane [in my opinion] 1600 to 1800 head speed now with 9+ minutes of run time. If I ran these older style tail gears at 2500+ with it's 4.5 ratio I am sure it would blow up,,,or at least really want to!

Setup is everything, All my heli's can fly far better than I can pilot them

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12-10-2015 05:08 AM  31 months agoPost 7
BARNSPEED

rrNovice

LEE,MA

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Lhs
J
Really enjoy my trex 700 on 6s LHS about 1200rpm.
Bought it used non dfc head. Real smooth no setup
or fuss. If you need more info on machine let me
know. Would also work well on 12s.

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12-11-2015 12:27 AM  31 months agoPost 8
jhartsock3

rrApprentice

Greenwood, IN

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Tks for the reply decided to go with the mikado extreme 700. Will let you know how it goes. Heli should be here this week. Still gotta pick up some servos. But have everything else. So should be a quick build

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12-17-2015 04:00 AM  31 months agoPost 9
turboomni

rrProfessor

East of the Equator

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Nice! I have seen a few mikado vids doing LHS. they seem great. Let us know how she does.

Setup is everything, All my heli's can fly far better than I can pilot them

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