RE: R/C Nobler Topflite Gold Edition  
View related threads: (in this forum | in all forums)

Tower Hobbies
Enter up to 4 keywords or Tower stock numbers
Logged in as Guest



Users viewing this topic: none
  Printable Version
       


Stearman Biplane - RTF
Seller:  WarbirdII
Details:   $3,500.00   |  10/7/2008   |  Classified Ad
We will rotate YOUR AD in this spot if you select "Forum Featured" when placing or editing your ad!

All Forums >> RC Airplanes >> Vintage & Antique RC >> RE: R/C Nobler Topflite Gold Edition
Page: <<   < prev  1 2 3 [4] 5 6 7 8 9 10   next >   >>  

Login
Message << Older Topic   Newer Topic >>
RE: R/C Nobler Topflite Gold Edition - 4/4/2005 3:21:12 PM   
jimcork1



Posts: 951
Joined: 1/29/2002
From: Slidell, LA, USA
Status: offline
Just an update. the plane flew better with 1/8 right offset than with zero offset. If you build it as per plans w/1/4" offset this should be ok,, expecially is using a 4 stroke. Everytime I fly the plane I enjoy it,, very smooth and extremely quick in roll. Limited in rudder for spins and short coupled causes some annoying yaw but not noticable to most people.

CG at rearmost point on plans seems to be about right. Further foward and it will tip over on grass. The retracts have worked well and are NO problem on grass. However I did add a 1/4x1/4 " spruce stringer to reinforce across the point that was removed for the strut and push rod at the bottom of the wing for strength. I was just too concerned about ripping out the retracts.

11" prop is as large as I can use with the retracts. The saito .56 is running an 11x8 MAS prop but an 11X10 would probably be better. If you use a 11x8 just remember to pull the power in a dive to prevent valve float from overrev.

Plane is quick,, smooth,, and flies nice,, but definitely not a beginner plane. Lots of thought on servo size,, equipment placement and retracts to make it all fit. Still 5# 12 oz and 4 oz over advertised weight. I put a lot of lightning holes in the fuse during building to reduce weight and still 5/12.

The plan size wheels do work but larger will not work with retracts.

This would be a great plane if the fuse were a little longer to deal with yaw, and it had more rudder. But as it is, nice flying bird. Jim

(in reply to jimcork1)
       Post #: 76

RE: R/C Nobler Topflite Gold Edition - 4/15/2005 8:25:49 AM   
payback1


 

Posts: 15
Joined: 1/26/2005
From: pendleton, OR, USA
Status: offline
Hey there fellow Nobler Lunitics

With a winter obsessed with this project, I am happy to say I am done. Not a very simple plane to build, especially with the narrow fuse. But I Still like it a whole lot, and it looks fast being so slender.

MY C.G.
I put it on the GP CG balancer tonight, and it was very very nose heavy. This sucks. I have read all the links. I can't imagine I have that much wieght up front but i suspect its the cowling. For being such a hot company, I would have thought they could have made a slick one piece fiberglass cowl. Tip, make sure you trial fit your (completed) cowl to the plane before you bother covering it. I learned the hard way, man was i mad. Irish whisky cures all i say, I got over it. Anyhow. This is getting to be a long reply so sorry. I installed 4 oz of weight to the tail to compensate, the battery is in the back according to plans, and I had even added additional structure in the tail for a tail wheel retract, seperate steering linkage, and servo as well. I would have thought it would be tail heavy for sure. Maybe I left a hammer or screwdriver inside the nose somewhere. It's right on the target weight but i hate having so much weight on the tail. I am open to suggestions, tips, insults, and so on. Thanks for all the forum advise everyone. The maiden should be Sunday, and I'll post some pics soon if anyone is interested. Happy Landings.

(in reply to jimcork1)
       Post #: 77

RE: R/C Nobler Topflite Gold Edition - 4/15/2005 4:00:04 PM   
jimcork1



Posts: 951
Joined: 1/29/2002
From: Slidell, LA, USA
Status: offline
Best of luck on your first flight. Now pass that Irish whiskey .. Did I tell you I am Irish.

What was your total weight. Mine was 5# 12 oz with no extra weight. The saito .56 in the nose vs. the La. 46 I removed made the difference. I also put lightening holes through out the fuse sides and top plate.

Good flying.. Jim

(in reply to payback1)
       Post #: 78

RE: R/C Nobler Topflite Gold Edition - 4/18/2005 7:49:40 AM   
payback1


 

Posts: 15
Joined: 1/26/2005
From: pendleton, OR, USA
Status: offline
Hi

We had wind all weekend here in Oregon. I should have bought a kite instead, kidding.
Here are some pics of the plane upside down, I haven't taken a picture with the wing on yet.
Notice the extra tail wheel retract servo up front by the throttle and the secondary steering arm
on the rudder. I felt like i was building one of those tiny little ships in a bottle. ha ha[image][image][/image]

Attachments
Click to see fullsize image.
Click for fullsize
Click to see fullsize image.
Click for fullsize
Click to see fullsize image.
Click for fullsize

(in reply to jimcork1)
       Post #: 79

RE: R/C Nobler Topflite Gold Edition - 4/18/2005 2:08:37 PM   
jimcork1



Posts: 951
Joined: 1/29/2002
From: Slidell, LA, USA
Status: offline
Nice job on internals,, wondering what brand of shoe horn you used to get it all in. Hope it flies well.

Mine with the Saito .56 finally flies nice. CG at the rear most point on the plans are what made it smooth out. Rolls are very quick the elevator is a little less responsive. I suppose the short coupled stab wing is the reason. I do wish it had a larger rudder though to help with some of the yaw.

We have been having 15 mph winds here 90 degrees to our runway. Landings and takeoff is difficult to say the least in this wind. Good flying. Jim

(in reply to payback1)
       Post #: 80

RE: R/C Nobler Topflite Gold Edition - 4/23/2005 9:33:34 AM   
payback1


 

Posts: 15
Joined: 1/26/2005
From: pendleton, OR, USA
Status: offline
HI There NOBLER guys, I hope that these pictures can be of some help.
[image][/image]

Yahoo!!!! 2 flights down, a bunch to go. THIS PLANE WAS WORTH ALL THE HARD WORK! I was a little nervous before the takeoff. But after the roll out and 10 feet it wanted to go so I let it. Man it flew great. I know everybody says it but this plane flew like it was on rails. It tracked straight, and I only had to add one bump of up elevator trim. Thats all. Nothing else. It flies terrific with the gear up or down. My friend John pointed out that i was using the GP CG machine all wrong. So I only used 3 ounces of tail weight. Thanks for the support Jimcork, and I owe you a shot of that Irish whiskey for your trouble.

My perspective on the flight and building for anyone who is interested, I am a certified airframe and powerplant mechanic in a family of aviation.
1 weight 5 3/4 lbs. cg 3 1/2 inches. (we fly from a private full size airstrip measuring 40 ft by 1300 ft. Flame outs are easy to cope with)
2 cockpit was dorky, so I just back painted it instead
3 wingtips are poorly made, so I used balsa blocks sanded down instead.
4 the flaps and ailerons are not aerodynamic with the wing airfoil, so i bought the preshaped type and sanded them to a nice contour. huge time saver too
5 the supplied 10 oz fuel tank (in my opinion) will not fit even with a hammer. so i used a pylon (round) 8 oz. this only gave me a 10 min run.
6 i didn't but would strongly suggest using a charging jack
7 i really really liked the os 46ax engine. however a nice 4 stroke with small muffler would probably look better. A sport or pitts muffler WILL NOT FIT
8 building troubles 1. fuel tank fit 2. cowling fit 3. wing trailing edge "spar" is not clear in the directions. so glue it to the ribs perfectly or sheeting is a nightmare. belly pan was o.k. but sand it like they show you, oh, get that flap lever arm space built in or you will be sorry. it's a very tight fitting wing.
9 the wing WILL hit your servo arms, make sure you bury them into the fuselage as deep as possible. Also reinforce that flap servo better than the plans.
10 don't install a tail wheel retract system in this little plane unless you know a psychologist, just kidding.
11 reinforce that landing gear brace like the others mentioned. thanks for the tips friends, i really appreciated the help.

Ask me any questions that you like, i am NOT an expert in this hobby. Just a tinkerer with a full scale background, I had fun building the plane but would like to have a long discussion with the designer at Top FLight, he says on page 4 "...it would be possible to build the model and have it ready to cover in one long weekend" yeah right, and Rome was built in one day too. Ha ! Well maybe 3 months worth.

Stalls were easy, no hard snaps. just mushed over the top. landings were 3 pointers with no loss of control even with 1 inch (max) flaps, no nose overs,
good rudder response, lively rolls, and it looks terrific at 5 feet full power with the gear up. man it screams past ya. This is the first plane i didn't feel nervous landing on the first flight. Just set it up and watch it land itself. chop power and roll out.

Sorry for the lengthy posting everybody. This site has been pretty quiet so I don't feel to bad about taking up a chunk of it. We're going flying again tomarrow under favorable conditions, I'm taking the cardboard box along to jinx Murphy. Good luck on your kit building and your first flight. I could answer your questions if you have any, by phone if you like to. Build this plane, you won't regret it. It's a great little flyer and the ARF guys get pretty jealous seeing it on the ramp, and that's reason enough to put a smile on your face.


[image][/image]

(in reply to jimcork1)
       Post #: 81

RE: R/C Nobler Topflite Gold Edition - 4/23/2005 9:49:45 AM   
payback1


 

Posts: 15
Joined: 1/26/2005
From: pendleton, OR, USA
Status: offline
[[image][/image]


I had trouble with the picture posting, here's another try.

Payback1

Attachments
Click to see fullsize image.
Click for fullsize
Click to see fullsize image.
Click for fullsize
Click to see fullsize image.
Click for fullsize
Click to see fullsize image.
Click for fullsize

(in reply to payback1)
       Post #: 82

RE: R/C Nobler Topflite Gold Edition - 4/23/2005 9:55:22 AM   
payback1


 

Posts: 15
Joined: 1/26/2005
From: pendleton, OR, USA
Status: offline
more pics of my winter obsession and the tail wheel set up.

Payback1
[image][/image]

Attachments
Click to see fullsize image.
Click for fullsize
Click to see fullsize image.
Click for fullsize
Click to see fullsize image.
Click for fullsize
Click to see fullsize image.
Click for fullsize

(in reply to payback1)
       Post #: 83

RE: R/C Nobler Topflite Gold Edition - 4/23/2005 10:07:24 AM   
payback1


 

Posts: 15
Joined: 1/26/2005
From: pendleton, OR, USA
Status: offline
Last group of pictures, and if any of you are sick of looking at this plane of mine, well I don't blame you. I have posted way to
much tonight. I am elated with being done and have to show it off a little bit. Those of you who have already finished know
what i am talking about. O.k. I'm all done. I swear. Now it's time for me to do the wifes bidding for a couple of months. Argh.

Payback1
[image][/image]

Thanks for looking.

Attachments
Click to see fullsize image.
Click for fullsize
Click to see fullsize image.
Click for fullsize
Click to see fullsize image.
Click for fullsize
Click to see fullsize image.
Click for fullsize

(in reply to payback1)
       Post #: 84

RE: R/C Nobler Topflite Gold Edition - 4/23/2005 2:53:42 PM   
jimcork1



Posts: 951
Joined: 1/29/2002
From: Slidell, LA, USA
Status: offline
Great looking plane,, I didn't think about Mil colors.. I did mine in the 30's color scheme. But you did give me some good ideas for airborne pics. Next time out I'll take a few of the low level gear up passes. Cool shots.

On the subject of yaw.. I have mine with 1/8" of right thrust and I still have the yaw issue. Just the short moment in the tail I guess,, not enough tail to stop the yaw.

Perhaps it's been a while since I read the plans.. but it is totally NUTS to think anyone can build this plane in a "Normal" weekend.

But it does fly great,, I just wish it would flat spin. I can do a normal spin which is very nose down,, even with the 4" cg on the tail heavy side. In a spin it drops like a stone and recovers almost totally straight down. So if you spin,, do it high and plan recovery. I recover at low power and add power in the pull out.

Great scenery for flying.. Jim

(in reply to payback1)
       Post #: 85

RE: R/C Nobler Topflite Gold Edition - 4/23/2005 9:13:46 PM   
skypupmut



Posts: 421
Joined: 1/9/2002
From: Sherbrooke, QC, CANADA
Status: offline
great shots
should be able to fly mine in coming weeks
field not tawed out completely yet
will post pics then
I like your color scheme also

_____________________________

Skypupnut MAAC 5057 Skype jean.blouin
CFI Club Aeromodeliste de L`Estrie club Saito # 132

(in reply to jimcork1)
       Post #: 86

RE: R/C Nobler Topflite Gold Edition - 4/26/2005 3:25:31 PM   
PizzaMan