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E-Sky › Did you work on your heli today?
01-14-2009 02:51 AM  9 years agoPost 521
dan the man

rrApprentice

Dorval, Quebec - Canada

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Dan,
Lets see some video. I want to see if you like the way she flies. It looks like a Trex sa.
Haven't flown it yet since the weather here sucks all the time. It'll be down past -20C for the next couple days I think But it's all set up and ready to go. I've only got an 11T pinion on the 3200kv motor right now but I got a 13T and a 15T on the way from LHS.

It's pretty much a direct 450S clone but with a bit more metal in the head and g10 frames.
Dan, Does that front bottom cyclic servo get close to the main gear when you are at full negative pitch and put the cyclic in the top right corner? (sure a standard takeoff maneuver I use ya know, do it every day).
lol, no I made sure that wasn't going to be a problem. It gets sorta close but it definately won't hit.
I don't understand what happened with Dan's tail servo.

What'd he do wrong????

What kind of servo was it??
It was a GWS park HPX F. Kinda big and heavy but very fast. When I was letting the gyro auto calibrate the servo arm moved all the way to one side and was pulling hard on the tail linkage and also may have been binding against one of the huge mounting screws it came with. I wasn`t really paying attention and didn`t realize it was binding. I guess it just drew too much current for too long. A servo this fast must draw a lot.

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01-14-2009 06:29 AM  9 years agoPost 522
TJinGuy

rrProfessor

Socorro, NM - USA

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Yesterday I got my HD order. I had my servo gears that I needed to get the King back up as well as new tail servo, a DS420. Yessir ... digital servo with .08sec/60* at 4.8V (.06 at 6V) and metal 2nd/3rd gears ... nice This is the first upgrade I bought for the King in a while and I am hoping it works as well as the specs look.

I also installed my new motor in the Rex. I figured since I fly it so much that I would get a better motor and I picked the Scorpion -8. I was torn between that and the JGF 500TH. I choose this one because it has a built in fan and is the most popular choice. Anyway man does this thing feel nasty, preinstall that is. It is super snappy when turning it by hand. I mean you really gotta turn it to get it to move and when it does, it is very snappy feeling, nothing like the stock motors I am used to. I am hoping for some better better throttle response as well as better efficiency.

- Chris

Team New Mexico
TJinTech

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01-14-2009 06:35 PM  9 years agoPost 523
Melnic

rrElite Veteran

Columbia, MD,USA

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Got the Metal Head put onto the HBK2. Since the metal head I got did not come w/ Linkages, it was a bit of trial and error to get it all set up w/ the right pitch range. MUCH less slop than before. Using the Exceed G2 yellow Glass fiber blades on it for now.

I'm curious to know if anyone had sucessfully been able to move the anti-rotation bracket to the elevator side? That would have allowed me to use the CopterX head with the CopterX swash. The CopterX head I got in was REALLY smooth. Nice action it's movement. I have an EXI 450 heli this will go into eventually when I work on another scale heli project.

Waiting for better weather before test flying. I also pulled the tail rod supports off and fiddled with the tail some more.

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01-18-2009 10:34 AM  9 years agoPost 524
MMike

rrElite Veteran

Holland,Mi-USA

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I'm thinking about TREX250 blades on the EP200.

They're a lot wider.

Will this give me more stability???

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01-18-2009 10:40 AM  9 years agoPost 525
Melnic

rrElite Veteran

Columbia, MD,USA

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MMike, do you already have the heavy flybar weights on?
If you have that, little slop and heavy blades, your probably about as good as it would get.

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01-18-2009 05:13 PM  9 years agoPost 526
TJinGuy

rrProfessor

Socorro, NM - USA

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I saw a set of T250 blades yesterday and was surprised to find that they are tapered, both for the plastics and carbons. I wonder how that effects stability?

- Chris

Team New Mexico
TJinTech

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01-18-2009 06:24 PM  9 years agoPost 527
MMike

rrElite Veteran

Holland,Mi-USA

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I don't have the heavy weights on the EP200.

On the 100, I got good results from big rooted FG blades.

right now,I have narrow light plastics on the EP200, I'd like to try wide rooted TREX250's on it.

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01-19-2009 12:15 AM  9 years agoPost 528
Melnic

rrElite Veteran

Columbia, MD,USA

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Finished up the TT e550.
I wanted to do something custom on the stickers but broke down and just did it stock. That's how my Raptor .30 is anyway.

I also started putting together my $150 EXI 450 arf project together. That's $150 for the Kit,servos, power plant and gyro.

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01-19-2009 12:54 AM  9 years agoPost 529
toolman18

rrElite Veteran

Portland Tx

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Hey. I like the basic stickers. They look nice.

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01-19-2009 12:55 AM  9 years agoPost 530
jwhitacre

rrKey Veteran

Tarentum,PA- US

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Stock canopy or not she's still purdy Nice wiring job

Depleting the world of parts, one crash at a time!!

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01-21-2009 04:24 AM  9 years agoPost 531
Melnic

rrElite Veteran

Columbia, MD,USA

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Installed and setup the Logictech 2100T into the e550 tonight.

Also did the motor/ESC and gyro install into the new EXI 450

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01-23-2009 04:25 AM  9 years agoPost 532
Melnic

rrElite Veteran

Columbia, MD,USA

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Put loctite on the ball link screws of the new metal head of the HBK2. Found out I ripped the antirotation bracket apart when the ball link on the swash came undone. Now I have to order one.

Finished the $140 EXI ARF project ($140 for everything minus the Rx and batteries). Ran it up on the test stand. As I suspected, its a bit underpowered but that's ok for how I plan to fly this one.

Last night, I was trying to turn down a screw on my e550 and the screwdriver slipped and drove it half way up my left index fingernail. After about 10 minutes of stopping the bleading, MAN that hurt! 3 advil does wonders

Looks like it will get up to near 50 on Friday so I'm hoping to test fly 2 of my projects during lunch.

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01-23-2009 04:49 AM  9 years agoPost 533
wareagle

rrNovice

Crowley, TX

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Post flight maintenance on the K2s. Noticed that the the motor is starting to chew itself up on the bone stock bird (not that it is any surprise). Will likely shelve it and use it for a parts donor.

Also worked on Mini-me's bird. Did the thread and CA mod to the head (HBFP) and checked things over. It suffered several crashes last time out, and it looks like a missing link and a ball knocked off of the head are the extents of the damage. It's a tough bird!!

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01-24-2009 01:32 AM  9 years agoPost 534
TJinGuy

rrProfessor

Socorro, NM - USA

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I got my order from HK today and in it was my new laser tach. I now have head speed numbers for both the Rex and King. Here is my setup for each with the results

Rex
Scorpion -8 motor w/13T pinion
35X ESC set set to defaults
Head speed at 82.5 throttle = 2806rpm

King
HDX300 3800 w/10T pinion
CC35 set to default settings except brake off
Headspeed at 85% throttle = 2847

- Chris

Team New Mexico
TJinTech

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01-24-2009 01:43 AM  9 years agoPost 535
tryan02

rrProfessor

Canton, Missouri

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got a link to the tach? I am looking for a good heli tach myself.

No Really I am the club President!!!

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01-24-2009 02:12 AM  9 years agoPost 536
TJinGuy

rrProfessor

Socorro, NM - USA

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http://www.hobbycity.com/hobbycity/...?idProduct=6257

The only thing that caught me off guard is the fact that it is like 9 inches long!!! It is HUGE The pic made me think it was way smaller. It does seem to work well.

- Chris

Team New Mexico
TJinTech

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01-24-2009 02:15 AM  9 years agoPost 537
tryan02

rrProfessor

Canton, Missouri

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are you sticking it in the ground and hovering over it?

No Really I am the club President!!!

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01-24-2009 02:35 AM  9 years agoPost 538
TJinGuy

rrProfessor

Socorro, NM - USA

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I strapped the heli down and ran it up to half throttle on the bench. Then with a good grip on the tach, I held it over the spinning heli and measured it. I also found out that the tach is very sensitive to light colored surfaces. So I had to place a strip of black tape across both blades and then place a small piece of reflective tape on it to measure from. Worked well and gave me very stable and repeatable results.

- Chris

Team New Mexico
TJinTech

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01-24-2009 03:25 AM  9 years agoPost 539
wareagle

rrNovice

Crowley, TX

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Here's a short tale...

Went and flew both K2s this afternoon. One is bone stock. The other has several upgrades/mods. The stocker is basically a back up/donor bird, but I have it flyable right at the moment. Since it is (or was) airworthy, I have been flying it for a few minutes prior to firing up the other K2, or known 'round here as the K2+.

So upon firing up the K2, I started to hover and had it off of the ground about two feet, and the head speed was sounding slower than normal, and the heli was sluggish to stick inputs and was taking a lot of collective to keep in a hover. Very much like a dead battery, although the battery had just been charged. This all happened within just a few seconds, but as I was discovering that something wasn't right the heli decided that I wasn't fast enough and the ESC shut the motor down. So I performed a flawless auto from two feet. And if you believe that, I have some oceanfront property for sale in Oklahoma. The training gear saved me from damaging the helicopter (as it has done many times before).

So, I put the pack on the charger and let it charge. It finished up in about ten minutes, which I though was odd. I haven't invested in a good charger yet, but that is the very next item on the list. I checked the voltage with a multimeter after the pack came off of the charger (suspecting the charger wasn't working) and it read 11.5 volts. So, being puzzled at what was happening, I put the pack into the helicopter and did a spool up on the bench.

Headspeed came up fine, and everything seemed like it was working just as it should. And then the headspeed suddenly slowed about the time that either the ESC or the motor (or both) decided to eject the magic smoke. Dropped the throttle, and unplugged the battery with the quickness! No fire, though stuff was warming up pretty quickly.

So I guess the mystery has been solved!

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01-24-2009 03:50 AM  9 years agoPost 540
broggyr

rrKey Veteran

Naugy, CT

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Yes, I did some work on my heli - removed the flybar...
I have a flybarless King 2. With NO stabilization!

You know what? This thing is crazy touchy now! Dialed down the expos severely, and still wickedly sensitive.

Why did I do it? I was having a lot of problems with the CNC seesaw and the OEM plastic head - I should have gotten the CNC head too, but didn't have the scratch.

I have yet to 'really' hover it, I did about 5-10 seconds in the house...

- Brian
irony [ay-ruh-nee', ay-er-nee'] adj.: Like goldy or bronzy, but made of iron

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 74 pages [ <<    <     25      26     ( 27 )     28      29     NEXT    >> ] 49795 views POST REPLY
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