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PA-18 Super Cub for the BMFA R/C Scale Indoor Nats

  • Septic
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05 Jul 2016 13:03 #1 by Septic
Well I am probably being a might ambitous trying to design and build a model for this years Nats, but what the heck lets see if a. I can and b. in time......

The subject is to be my Dad's Lovely PA18 Super Cub that we spent many a happy hour flying about the UK.






Cheers
Danny

tap - tap.......rivet
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Thanks: Klipkopwildlife, martynk

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05 Jul 2016 13:09 #2 by Septic
Andy S has been great and has been supplying me with info about motors radio etc etc. So to that end I am using the gear from an artf indoor model. The motor/gearbox is from a Parkzone indoor P-51, the Rx and servos are from a small indoor helicopter, this also gives a speed controller. The batteries are small NanoTech 160 mAh items.





I have traced the 3 view using Turbocad and am in the process of filling in the lines with ideas :)

Cheers
Danny

tap - tap.......rivet
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Thanks: Klipkopwildlife, martynk

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05 Jul 2016 13:51 #3 by Septic
Although this photo is NOT of Yankee Bravo, the throttle nomenclature is fab :)



Cheers
Danny

tap - tap.......rivet
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Thanks: Klipkopwildlife

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05 Jul 2016 14:34 #4 by martynk
What scale and resulting size Danny? And when are the indoor Nats. I'll start a timer for you..
Thanks: Septic

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05 Jul 2016 14:51 - 10 Oct 2016 23:05 #5 by Ex-Member
Danny's building this for the BMFA Scale Indoor RC Nats, which will be held at RAF Shawbury Gymnasium on 23 rd October 2016. There'll also be FF Scale competitions at the same event for at least Open Scale Flying Only, Peanut and Pistachio.

The next BMFA Scale Indoor FF Nats will be held on 23rd April 2017 at the Wolverhampton University Sports Centre, Walsall.

I also understand form the Scale Technical Committee Indoor member, that the 2017 Scale Indoor RC Nats will be moving to April, so plan around a week or so before the Scale Indoor FF Nats.
Last edit: 10 Oct 2016 23:05 by .

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05 Jul 2016 15:12 #6 by Klipkopwildlife
Replied by Klipkopwildlife on topic PA-18 Super Cub for the BMFA R/C Scale Indoor Nats
Shouldn't go far wrong with that but remember to keep the tail light! [badass]

Do it now, you may never get another chance
Thanks: Septic

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05 Jul 2016 15:45 #7 by martynk
Danny

Not trying to worry you but..

Countdown. .
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05 Jul 2016 16:40 #8 by Septic
Sorry chaps was so engrossed I missed your comments!
Anyway thanks for the replies, and don't worry I aim to keep the tail as light as I can!

Thanks Andy for filling in the gaps, and for the date I hadn't seen that, I just new roughly when.

I am doing this to 30" span Martyn, the wings will be fixed and the model not able to be dismantled, I think it will only enter once and then be retired to hang on a wall in Yorkshire ;)

Cheers
Danny

tap - tap.......rivet
Thanks: The Beard, Ex-Member, martynk

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05 Jul 2016 18:37 #9 by Quorneng
30" Span.
I guess it will be pretty light. ;)
I shall be watching this build with interest.

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05 Jul 2016 23:05 - 05 Jul 2016 23:07 #10 by Septic
Well the cadding is coming along well. It has taken several hours today just to refresh myself with the shortcut keys and snaps. Well worth knowing as they do make the drawing move along so much faster. Anyway I had originally set the wing rib upper and lower slices at 1/16 square, but I dont think my fingers will cope. So have made the rib slices 1/16 x 1/8.
The leading edge will be pre doped air mail paper. As well as the wing tank covers.





Not as elegant as Andy or Tony but I am plodding along.....

Cheers
Danny

tap - tap.......rivet
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Last edit: 05 Jul 2016 23:07 by Septic.
Thanks: Klipkopwildlife, Quorneng, Ex-Member

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06 Jul 2016 06:52 #11 by Ex-Member

Septic wrote: .....Not as elegant as Andy or Tony but I am plodding along.....


Whatdyamean Danny, it looks pretty good to me! ;) ;)

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06 Jul 2016 07:35 #12 by Ex-Member
Way better than the junk i turn out Danny.

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06 Jul 2016 14:35 #13 by Septic
If my drawings are half as good as your "junk" I will be happy.
Right.... ribs are finalised, have dumped the idea of the half ribs as more trouble than they are worth....and barely visible on full size. Can add them later if feel I have made an error by omitting them. I have their shape.

Wing plan in basic form is done:



Might take a breather and do the tail end bits, before girding the loins for the fuselage!

Cheers
Danny

tap - tap.......rivet
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Thanks: Klipkopwildlife

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06 Jul 2016 15:06 #14 by Septic
Okay two days into the cadding and thought I would double check the riblets with my files. Spotted I have traced/used the flapped version of the wing GRRRRRRR.
It means starting again.........

tap - tap.......rivet

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06 Jul 2016 15:13 #15 by martynk
Its a challenge isn't it? AUW less than 200g = 6.66oz in old money.

I was thinking about building a Hurricane for this (I have a plan for a 26" span model) but its gets penalised if it doesn't have working retracts!

What is the AUW of the flight gear Danny, Radio, ESC, Battery etc?

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