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Sep 29, 2012, 02:26 PM
I fly, therefore, I crash!!!
SteveT.'s Avatar
Quote:
Originally Posted by zmonster97
XtremeWingRC,

I asked Joe Smith which motor to use in a 71 slick. He said he would use the motrolfly 4325-380 w/ a 19x10 prop. He said the hacker is more suited for the 74 edge.
I know I don't fly like Joe, but I really like the A60-6XS with a 20X10 in my 71" Slick...

SteveT
Latest blog entry: My hangar...
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Sep 29, 2012, 02:53 PM
doh!
ryan_m's Avatar
Quote:
Originally Posted by zmonster97
XtremeWingRC,

I asked Joe Smith which motor to use in a 71 slick. He said he would use the motrolfly 4325-380 w/ a 19x10 prop. He said the hacker is more suited for the 74 edge.
I prefer a 4325-425 on 18x10. Less prop torque, and more forward speed. Great for pop tops and other fast high energy moves.
Sep 29, 2012, 03:15 PM
3DHS 'native'
going4speed's Avatar
This is a socket head screw that's stuck in the servo
Sep 29, 2012, 03:32 PM
I fly, therefore, I crash!!!
SteveT.'s Avatar
Quote:
Originally Posted by going4speed
This is a socket head screw that's stuck in the servo
Ok....should still be easy....heat your soldering iron up, and hold it on the end of the screw for a few moments. The heat will break the Loctite loose....

SteveT
Latest blog entry: My hangar...
Sep 29, 2012, 06:27 PM
Registered User
Quote:
Originally Posted by quadracer
RIP, 70 Slick. In a 500' blender, it decide to eject the left wing, then subsequently, the right wing. Lawn dart from about 300'. Total write- off. Pretty damn bummed right now. The wing bolts managed to find their way to pulling out of the fuse. All I could do to make it hit the dirt in as straight-down attitude as I could.
Sorry to hear that man! If it's any conciliation, that happened to me too
Sep 29, 2012, 09:04 PM
OOPS
Manta1's Avatar
Quote:
Originally Posted by ryan_m
I prefer a 4325-425 on 18x10. Less prop torque, and more forward speed. Great for pop tops and other fast high energy moves.
I bet that 425 kv is nice too.
Sep 29, 2012, 09:10 PM
Just go with the flow
goflyhighrc's Avatar
Quote:
Originally Posted by SteveT.
My personal opinion, is that you can't go wrong with a Hacker A60-6XS, which is what I have in my 71" Slick. You can use a 20X10, 20X11, or 21X10...all seem to work well...

SteveT

Does the Hacker A60-6xs have a bolt on prop adapter?
Sep 29, 2012, 09:12 PM
Just go with the flow
goflyhighrc's Avatar
Quote:
Originally Posted by hertzrepkeith
Well today was the first day that i really got to fly my new 71 Slick. Everything went good until My servo bolt came out of my Rudder on my 7955. My rudder stuck tot he right but i was able to get it on the ground safley by crabbing it in. ( I can say my heart stopped) Loctite it is for now on!! I am a firm believer in it!!!!!!!!!!!

Gas planes are paint can shakers, gotta make sure all bolts are tightened Get that throttle servo tray fixed OK
Sep 29, 2012, 09:12 PM
Just go with the flow
goflyhighrc's Avatar
Quote:
Originally Posted by Manta1
I bet that 425 kv is nice too.
Manta -

Have you had the surgery ?
Sep 29, 2012, 09:15 PM
Just go with the flow
goflyhighrc's Avatar
Quote:
Originally Posted by RCPilot1234
Sorry to hear that buddy

I've heard putting a small piece of velcro between the moving and stationary surface stops it as the pressure halts the jittering so maybe try that

Hope this helps!
I did that on my 89 Slick, stopped the jittering, worked great
Sep 29, 2012, 09:17 PM
OOPS
Manta1's Avatar
Quote:
Originally Posted by goflyhighrc
Manta -

Have you had the surgery ?
yep.today is day 12 post cut..rough recovery but im still toodling along
Sep 29, 2012, 09:53 PM
I fly, therefore, I crash!!!
SteveT.'s Avatar
Quote:
Originally Posted by goflyhighrc
Does the Hacker A60-6xs have a bolt on prop adapter?
No, there is a tapered collet that slides onto a shaft that goes all the way through the motor, which then has a prop thrust washer that slides onto it. . See this page, and click on the photo for a good idea of how it works. It is exactly the same system as used on the Q80 series motors. Very true running....

SteveT
Last edited by SteveT.; Sep 29, 2012 at 10:01 PM.
Sep 30, 2012, 07:19 AM
Registered User
Quote:
Originally Posted by SteveT.
What happens with a tail heavy plane when landing (From what I remember Ben saying), is that when you slow the plane down, the stabilizer stalls first, which make the tail drop, so, the plane balloons up causing you to have to feed in down elevator to counter-act the ballooning..makes it a lot harder to land...

SteveT
I have a PA Extra MX setup with a more aft CG for 3D and I did experience the same ballooning on landing. It just felt weird having to push down during approach to get it to land. The thing that solved it was to setup the air brake mix. When I'm ready to land I flip on the air brake which pops both ailerons up about 1/4" and also feeds in a little down elevator to counter the trim change. This way, the plane will not balloon, will require a normal amount of back stick during the approach (rather than down) and force it into a normal glide angle. When I get either my 3DHS Edge 540 or Slick, I'll definitely do the same thing.
Sep 30, 2012, 07:49 AM
doh!
ryan_m's Avatar
Try one of the PA Bandits... I just built one for a local buddy. That thing balloons worse than anything I've ever seen. Once you get down to 3-4 feet high it just balloons up. You have to give down elevator to have a chance of landing it, and then it wants to dive into the ground since they tell you to use their carbon long arm things that give you no resolution/feel for small precise movements. That is one of the hardest planes I've yet flown to land smoothly. Wound up configuring about 10 degrees of spoilerons on it in order to help it land. Sinks nicely with those, much easier to land. Just like what you did sounds like.
I'm pretty sure that on the bandit the tail incidence is different than the wing incidence and that causes the ballooning. It's quite noticeable when looking from the rear.
After building 4 PA planes now (all for other people) I definitely appreciate 3dhs and EF kits and their build techniques a lot more. And the way they fly... PA stuff is just too floaty for me.
The Bandit looked like it was going to be similar to a Vyper in the air. Fast, yet 3d capable. I found it to not be fast, and have lots of wing rock in a harrier. It hovered quite easily, but otherwise had some weird tendencies. I did not much care for the plane...
Sep 30, 2012, 10:23 AM
Registered User
XtremeWingRC's Avatar
Quote:
Originally Posted by ryan_m
Try one of the PA Bandits... I just built one for a local buddy. That thing balloons worse than anything I've ever seen. Once you get down to 3-4 feet high it just balloons up. You have to give down elevator to have a chance of landing it, and then it wants to dive into the ground since they tell you to use their carbon long arm things that give you no resolution/feel for small precise movements. That is one of the hardest planes I've yet flown to land smoothly. Wound up configuring about 10 degrees of spoilerons on it in order to help it land. Sinks nicely with those, much easier to land. Just like what you did sounds like.
I'm pretty sure that on the bandit the tail incidence is different than the wing incidence and that causes the ballooning. It's quite noticeable when looking from the rear.
After building 4 PA planes now (all for other people) I definitely appreciate 3dhs and EF kits and their build techniques a lot more. And the way they fly... PA stuff is just too floaty for me.
The Bandit looked like it was going to be similar to a Vyper in the air. Fast, yet 3d capable. I found it to not be fast, and have lots of wing rock in a harrier. It hovered quite easily, but otherwise had some weird tendencies. I did not much care for the plane...
I had a pa Extra and the wind tossed it around like a kite. Too floaty, too light, and I felt I had to fight the flying all time.


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