HobbyKing.com New Products Flash Sale
Reply
Thread Tools
Old Jul 31, 2008, 09:54 PM
Staying away from trees..
markag's Avatar
Auburn, IN
Joined Jul 2007
93 Posts
Successful Maiden !!!!

The 20 MPH winds finally died down at about 7:30 this evening, so I thought I would get a maiden in. I hadn't flown in a while, so I took my GWS Beaver out first. I flew that for about 20 minutes and brought it in. I then came in and topped off my batteries. I ended up getting back outside at about 8:15 with my Cub. I didn't get airborne until about 8:45.

I had everything set up, or so I thought, and I went I flipped the arming switch on my ESC and everything started twitching and going crazy. I disconnected the battery, jiggled my RX a bit, and tried again. This time there was no jittering, so I proceeded to do a range test. No sooner that I step 10 feet away from the plane, the jittering starts up again. I get back and disconnect the battery again and I noticed that the left aileron wasn't returning back to center. The EZ connector screw was a little loose and the wire was moving freely. Fixed that and tightened all of the EZ connector screws, just in case. I pulled my antenna out of the fuselage and routed it out the bottom of the plane through a gap in the rear hatch. No more range check issues. I think it was too close to my servos and was getting interference. I think I'm ready to go and I start walking out to my flying spot. I think, I'll check the motor one more time. Turns out the motor was spinning the wrong way. I had to take off the propeller, then the cowling, and switch two wires on the motor/esc. Finally, I'm ready to fly after all those last minute fixes.

I get out to my spot and those butterflies rear their head in my stomach. I was flying in my backyard, which has grass that needs to be cut. It was handlaunching conditions out there. I moved the stick to about 3/4 throttle and gave a light toss. Turns out that that was way more throttle then I needed. The cub took off like a rocket, but I hardly needed any trim adjustments. It flies great with about 1/3-1/2 throttle. I'll say this:

This is the best flying plane I've ever had the pleasure to fly

The cub was rock solid stable in the air. It didn't balloon up or down, or try to bank left and right at all. Right now, the plane flies better than my abilities as a pilot. I have never flown an aileron plane before, so my turns were a little unsteady. I'll get the hang of it with more practice. I flew a few laps around the back yard, and I brought it in to land. It really likes to glide and had to abort my landing because of lack of space. I tried again and left more room for gliding. I slowed it down as much as I could because I didn't want to damage anything when I landed in the grass. It did nose over, but the landing was really soft. I am really impressed with the flight characteristics, and I have a new favorite plane. I have a permagrin on my face right now, and I can't wait until I can fly again.
markag is offline Find More Posts by markag
Reply With Quote
Sign up now
to remove ads between posts
Old Aug 01, 2008, 12:41 AM
I need a bigger garage...
ajreynolds's Avatar
USA, CA, San Diego
Joined Mar 2005
1,296 Posts
Congrats on the maiden! And welcome to the wonderful world of Mountain Models planes.

Andy
ajreynolds is offline Find More Posts by ajreynolds
Reply With Quote
Old Aug 01, 2008, 03:32 AM
Suspended Account
Joined Jul 2006
22,991 Posts
Congratulations on the successful maiden, AND the permagrin...

I'm really happy for you!!!

Chuck
NoFlyZone is offline Find More Posts by NoFlyZone
Reply With Quote  (Disabled)
Old Aug 03, 2008, 03:48 PM
The figure "9" Specialist
aeronca's Avatar
A Barrier Island in New Jersey, USA
Joined Oct 2003
3,500 Posts
Quote:
Originally Posted by markag
I'll say this:

This is the best flying plane I've ever had the pleasure to fly
That's quite a testimonial, and good to hear!

Aeronca
aeronca is offline Find More Posts by aeronca
Reply With Quote
Old Aug 13, 2008, 12:29 PM
BYOP - Build Your Own Planes
Mountain Models's Avatar
United States, WI, Appleton
Joined Mar 2001
1,724 Posts
Markag,

I'm very happy that you like it so much. It'll get more fun as you get used to it and start trying new things with it. When you get into trying side slips, it's a lot of fun.

Brian
Mountain Models is offline Find More Posts by Mountain Models
Reply With Quote
Old Aug 13, 2008, 02:02 PM
Staying away from trees..
markag's Avatar
Auburn, IN
Joined Jul 2007
93 Posts
I've got about 4 flights under my belt with it, but I'm already feeling very comfortable with it. I've done a few loops and rolls, and last night I even did a hammerhead with it. I love to fly it really slow and scale-like though. I have the most fun doing that. The 400XT with 3S LiPo and an 8x6 or even an 8x3.8 is a ton of power for this plane. I spend most of the time at around 1/3 throttle, but it is nice to have the extra oomph just in case I get myself in trouble. I started out with the APC 8x6 but I tried an 8x3.8 yesterday and like that slightly better. I get the same performance, but it pulls less amps. I tested the battery usage yesterday on the 8x6. I flew for 10 minutes and timed how long it took to charge my pack. I determinded that I used 1000mAh in that ten minute flight. I didn't see how many mAh I was using with the 8x3.8 yet, but that is next on my list. I imagine it will be less. It looks like 10-12 minute flights on my 1100mAh battery are probably appropriate. I could try to push it more, but I would want to save some juice for insurance.
markag is offline Find More Posts by markag
Reply With Quote
Old Aug 13, 2008, 03:13 PM
I need a bigger garage...
ajreynolds's Avatar
USA, CA, San Diego
Joined Mar 2005
1,296 Posts
I fly mine with the 400XT and 8x3.8 prop and a 1300mAh pack. After about a 10 minute flight, I usually put back about 600-700mAh. And I'm flying a lot of mixed throttle aerobatic stuff (I call it "chaos aerobatics", nothing I do could be considered "precision" ).

Andy
ajreynolds is offline Find More Posts by ajreynolds
Reply With Quote
Old Aug 13, 2008, 03:32 PM
Registered User
1toslope's Avatar
California
Joined Dec 2005
1,121 Posts
Congrats on the maiden!
1toslope is offline Find More Posts by 1toslope
Reply With Quote
Old Aug 13, 2008, 03:36 PM
Registered User
Joined Jul 2005
14 Posts
Anybody know the CG on the clipped wing cub?
k4dan is offline Find More Posts by k4dan
Reply With Quote
Old Aug 13, 2008, 04:22 PM
I need a bigger garage...
ajreynolds's Avatar
USA, CA, San Diego
Joined Mar 2005
1,296 Posts
Quote:
Originally Posted by k4dan
Anybody know the CG on the clipped wing cub?
Take a look at the plans, the side view should show the CG if I remember right.

Andy
ajreynolds is offline Find More Posts by ajreynolds
Reply With Quote
Old Aug 13, 2008, 05:43 PM
Registered User
Joined Jul 2005
14 Posts
Your right,But I LOST the plans.
k4dan is offline Find More Posts by k4dan
Reply With Quote
Old Aug 13, 2008, 06:26 PM
Suspended Account
Joined Jul 2006
22,991 Posts
Quote:
Originally Posted by k4dan
Your right,But I LOST the plans.
Hi Dan,

E-mail Brian Eberwein at Mountain Models, he'll be more than happy to answer your question. Excellent customer service is one of the reasons I like MM so much...

Chuck
NoFlyZone is offline Find More Posts by NoFlyZone
Reply With Quote  (Disabled)
Old Aug 13, 2008, 09:21 PM
Staying away from trees..
markag's Avatar
Auburn, IN
Joined Jul 2007
93 Posts
The front end of the recommended CG is right at the center of the spar (front to back) on the full wing cub. If I had to guess I would assume that it would be the same for the clipped wing.
markag is offline Find More Posts by markag
Reply With Quote
Old Aug 14, 2008, 01:03 AM
Obviously I'm a "Minus Member"
buzzltyr's Avatar
USA, MA, Longmeadow
Joined Jun 2003
1,836 Posts
Quote:
Originally Posted by k4dan
Anybody know the CG on the clipped wing cub?
You can find the wing and fuselage manuals here:
http://www.mountainmodels.com/produc...roducts_id=477

I'm sure the CG is referenced at the end of the manual.

Mark
buzzltyr is offline Find More Posts by buzzltyr
Reply With Quote
Old Aug 14, 2008, 01:31 AM
Suspended Account
Joined Jul 2006
22,991 Posts
Quote:
Originally Posted by buzzltyr
You can find the wing and fuselage manuals here:
http://www.mountainmodels.com/produc...roducts_id=477

I'm sure the CG is referenced at the end of the manual.

Mark
Hi Mark,

The manual states he should use the C/G marks that are indicated on the full size plan sheet.

Chuck
NoFlyZone is offline Find More Posts by NoFlyZone
Reply With Quote  (Disabled)
Reply


Thread Tools

Similar Threads
Category Thread Thread Starter Forum Replies Last Post
Discussion Mountain Models J-3 Cub released buzzltyr Scale Kit/Scratch Built 12 May 28, 2009 02:06 PM
Discussion Need plan for scale 70'' Piper J-3 Cub (going to build in 6mm Depron) ! ruben Scale Kit/Scratch Built 8 Mar 13, 2006 08:29 PM
World Models J-3 Cub EP What Servos? karl51 Parkflyers 4 Sep 02, 2005 09:14 PM
World Models J-3 Cub and floats?? BrandoUno Waterplanes 3 Jun 03, 2005 11:23 AM
World Models J-3 Cub-48 Trroscoe Aircraft - Fuel - Airplanes (FS/W) 0 Oct 27, 2003 04:20 PM