stunthanger.com

General control line discussion => Open Forum => Topic started by: Mike Scholtes on February 20, 2021, 12:19:58 PM


Advertise Here
Title: 1952 Nobler with larger inboard flap
Post by: Mike Scholtes on February 20, 2021, 12:19:58 PM
I have kind of the opposite issue to the poster with the Nobler that now has shorter inboard panel (until fixed) - a Brodak Original Nobler, 1952 version, with 2.5" longer inboard panel. The kit was blessed by Aldrich as being authentic to his original Nobler series. The model has full-span flaps, with inboard flap both 2.5" longer than outboard flap and also with a deeper chord by about .25", maybe 8 or so inches in area larger than outboard flap. Now, this goes against practice of last 40 or so years calling for larger outboard flap, even with equal or near-equal panels.

I am at point of attaching flaps and can easily still modify the configuration. Should I consider trimming the flaps to have equal area, or even add a tab to outer flap to make it larger than inboard flap? Or just finish it and fly it the way George did in 1952? I don't intend to fly this in OTS or Classic competition (I have other models that are fully legal) so the change to the flaps would be of no consequence. Anyone have experience with this design and an informed opinion about changing the flap area?
Title: Re: 1952 Nobler with larger inboard flap
Post by: Brett Buck on February 20, 2021, 12:24:45 PM
I have kind of the opposite issue to the poster with the Nobler that now has shorter inboard panel (until fixed) - a Brodak Original Nobler, 1952 version, with 2.5" longer inboard panel. The kit was blessed by Aldrich as being authentic to his original Nobler series. The model has full-span flaps, with inboard flap both 2.5" longer than outboard flap and also with a deeper chord by about .25", maybe 8 or so inches in area larger than outboard flap. Now, this goes against practice of last 40 or so years calling for larger outboard flap, even with equal or near-equal panels.

I am at point of attaching flaps and can easily still modify the configuration. Should I consider trimming the flaps to have equal area, or even add a tab to outer flap to make it larger than inboard flap? Or just finish it and fly it the way George did in 1952? I don't intend to fly this in OTS or Classic competition (I have other models that are fully legal) so the change to the flaps would be of no consequence. Anyone have experience with this design and an informed opinion about changing the flap area?

   What is the engine?   Some engines you might need to manufacture line tension, others not.

    Brett
Title: Re: 1952 Nobler with larger inboard flap
Post by: Mike Scholtes on February 20, 2021, 12:49:31 PM
I know this is overkill but power will be LA46, possibly LA40. I don't expect low line tension due to lack of thrust. Prop will be APC 11.5 x 4 to start with on the 46.
Title: Re: 1952 Nobler with larger inboard flap
Post by: PJ Rowland on February 27, 2021, 09:56:55 PM
No overkill is an .81

Title: Re: 1952 Nobler with larger inboard flap
Post by: frank williams on February 28, 2021, 08:31:14 AM
What is the story behind this "original Nobler" design.  I know it's said that George blessed it as being the original.  How does it fly in the stock out of the box condition.  I too would like to know if anyone ever the courage to fly it like the kit says?
Title: Re: 1952 Nobler with larger inboard flap
Post by: BillP on February 28, 2021, 09:26:28 AM
It was good enough to kit that way, the design has flown many yrs and GMA blessed it. I suspect 99.999% of flyers would not be able to tell the difference in the non stock changes.
Title: Re: 1952 Nobler with larger inboard flap
Post by: Brett Buck on February 28, 2021, 06:06:38 PM
What is the story behind this "original Nobler" design.  I know it's said that George blessed it as being the original.  How does it fly in the stock out of the box condition.  I too would like to know if anyone ever the courage to fly it like the kit says?

  Ted said his flew really well, until it encountered the 245/45R18 tire.

    Brett
Title: Re: 1952 Nobler with larger inboard flap
Post by: dale gleason on February 28, 2021, 06:16:41 PM
To pass time during the recent Texas wx and "Rolling Blackouts",  LB and Ol'D watched re-runs of that Nobler thriller.
The best ever, Jerry, the BEST!

dg
Title: Re: 1952 Nobler with larger inboard flap
Post by: bill bischoff on March 01, 2021, 04:43:59 AM
Wasn't it hard to watch during the blackouts? We had to watch our TV by candle light!  >:D
Title: Re: 1952 Nobler with larger inboard flap
Post by: dale gleason on March 01, 2021, 02:13:36 PM
 When the power was on, we watched reruns. When the power went off, we soldered burst pipes with propane, leadless solder, and BB approved flux.

Big Dan T gave a good tutorial how this is done, but, I forgot the part about steam being produced and blew the copper cap into low orbit....must be careful!

Now, back to the subject...the wing that hangs on our mailbox is that of a "Green Box" Nobler, built in 1960. The inboard wing flap is 22 1/4" and the outboard flap is 21 1/4". Both measure 3" at the root. This was a very good flying plane with a Fox 36. It weighed in at about 48 oz. with a somewhat large sheet metal trim tab on the bottom of the outboard flap. I flew it at Hobby Park and the "Man" had no negative comment...

Hope this helps, Frank,
dg
Title: Re: 1952 Nobler with larger inboard flap
Post by: Dan McEntee on March 01, 2021, 05:09:34 PM
When the power was on, we watched reruns. When the power went off, we soldered burst pipes with propane, leadless solder, and BB approved flux.

Big Dan T gave a good tutorial how this is done, but, I forgot the part about steam being produced and blew the copper cap into low orbit....must be careful!

Now, back to the subject...the wing that hangs on our mailbox is that of a "Green Box" Nobler, built in 1960. The inboard wing flap is 22 1/4" and the outboard flap is 21 1/4". Both measure 3" at the root. This was a very good flying plane with a Fox 36. It weighed in at about 48 oz. with a somewhat large sheet metal trim tab on the bottom of the outboard flap. I flew it at Hobby Park and the "Man" had no negative comment...

Hope this helps, Frank,
dg

     When soldering on "live" copper lines with water in them, shut off supply, and open all the faucets in the house. If you have a basement, open those first so that when you open the others any residual water will drain down hill. It can take a while for it all to work it's way down. If there is a nuisance amount or water that is still trickling , get things ready to solder, and then stuff a wad of bread up the pipe to dam it off and then quickly solder the joint. The bread will soon dissolve and water will flow again. Sorry that all my friends in Texas are having to deal with this, but I know you guys can handle it!
  Type at you later,
   Dan McEntee
Title: Re: 1952 Nobler with larger inboard flap
Post by: Gerald Arana on March 01, 2021, 07:08:46 PM
  Ted said his flew really well, until it encountered the 245/45R18 tire.

    Brett





Brett, What was Ted doing putting a 245/45R18 tires on his nobler anyway!?

Cheers, Jerry