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Author Topic: What Did You Do Airplane Wise Today?  (Read 101775 times)
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OZPAF
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« Reply #1900 on: November 17, 2019, 07:22:44 PM »

Eye catching and nicely applied covering Mike. Being turbo powered it's bound to fly out of sight Smiley

John
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Indoorflyer
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« Reply #1901 on: November 18, 2019, 01:23:57 AM »

That looks great Mike!   Would that be a 'Double Mamba' power unit?!
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C/L Gee Bee
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« Reply #1902 on: November 21, 2019, 11:43:58 AM »

Downloaded the old Berkeley plan of the 36" Fairchild 24 from our own Hippocket plans, plugged in a flash and took flash to my printing firm. Plan was printed in 2 copies, one to cut up, the other to keep for 'next time'...
Got home, unrolled the plan(s) and was astonished...the 36 3/8" span plan was somehow 'shrunk' to a 24 1/4" span! I'll use this size, (nice plan, by Bill Effinger)
But I have the kit, and no right size plan... That's what I did yesterday...
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Indoorflyer
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« Reply #1903 on: November 21, 2019, 03:09:34 PM »

Bummer, C/L Gee Bee.  I checked my downloaded plan file, and opened the "Measurement" tool to verify the span and it appears to be correct.  Your printing outfit must not have set the print output to 100%?
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C/L Gee Bee
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« Reply #1904 on: November 21, 2019, 05:09:22 PM »

Egg-zactly, Indoor...I called the owner, and she said her counter person ('Desiree') had mentioned 24" X 36", a misunderstanding as I had asked about "a 36" span"...
The owner apologized profusely, and offered two the right size for gratis.
I told her I'd use the smaller plan for an additional build, win-win!

I'm delighted to be building again...with help from you wonderful guys in my 'hip pocket'!
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Don McLellan
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« Reply #1905 on: November 23, 2019, 11:09:59 PM »

Have been fooling around with a peanut scale, rubber powered, ducted fan Skyray.  I've cut out the parts using my craft cutter using wood that is quite heavy 1/32 balsa.  The interior and exterior balsa longerons are not installed.  Interior 1/32 sq longerons would form the tunnel (when tissued) for the air from the intakes to the fans, and 1/16 sq longerons would form the outline of the model.  The weight as shown in the pic is 14 grms, using about 15 lb balsa for everything.  I have some contest balsa (4 to 6 lb) on order, so may rebuild the rear of the model at a later date. 
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OZPAF
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« Reply #1906 on: November 25, 2019, 10:21:56 PM »

Very impressive Don. Are the impellers 3D printed?

John
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Don McLellan
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« Reply #1907 on: November 26, 2019, 01:53:03 AM »

Hi John,

No. The impellers are all balsa.  Heavy balsa with lots of glue.  I soaked the blades in dilute white glue, then shaped them (with a tonne of elastic) on a two litre pop (soda) bottle.  Pic showing the imbellers and the 'sorta' bearing between.
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FreeFlightModeller
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« Reply #1908 on: November 26, 2019, 06:01:43 AM »

Now that's a project, Don ... look forward to seeing how it pans out.  Smiley
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dputt7
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« Reply #1909 on: November 28, 2019, 08:26:02 AM »

  Had our flying display in the Unley Library tonight following on from the static display reported in reply 1897.
We didn't know what to expect so I made up a few boards showing how Hangar Rats were built and made up some kits for sale, had 6 Rats on hand for people to try out along with 3 Wacky Witches and a few kits.
Tim (THB) had an F1D that amazed everybody with its long slow flights, Tim had it trimmed perfectly for the small hall and most just could not believe it.                         
  The Hall is over 100 years old and has had many guises including a Dance Hall and a Picture Theater , also '60's Rock legend Johnny O'Keefe performed there.
  In the end we had 47 people over the 2 hours and sold a few kits, so there was some interest, mostly young families with kids around 4 - 8 years old. The younger kids were really too young to fly Hanger rats but seemed to get on OK with the more sturdy Witch. the Library is keen to have us back next year so I think a more sturdy model will be in order.
I didn't get much time for Photos but here's some of the display and Tim's F1D
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PB_guy
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« Reply #1910 on: November 28, 2019, 12:38:40 PM »

Good idea. Any way to get the hobby out into the eye of the public is helpful, especially seeing them fly. Thumbs up!
ian
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OZPAF
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« Reply #1911 on: November 28, 2019, 05:55:35 PM »

Great effort by your club Dave.

john
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THB
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« Reply #1912 on: November 29, 2019, 05:34:46 AM »

Dave did a great job preparing the 'how to build a hangar rat' boards and making kits for sale. As well as building a half dozen Rats etc for people to fly. The Putterill family came out in force with Lyn, Di and Tyson on board lending a hand. We were all so flat out helping people wind and fly the planes that none of us got round to taking pics of the action! Kids and parents loved it, and the Council events organiser was impressed (she had flown a Hangar Rat as a kid - so was a big supporter). The F1D was just a novelty act to distract people while the battle damaged Rats got some quick repairs. Great fun - thanks for organising.
Tim
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Tim
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OZPAF
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« Reply #1913 on: November 29, 2019, 06:16:33 PM »

It sounds like a great mob to be with Tim. It's so rare to see spectators enjoying modelling like that. Again good on you all.

Cheers,
John
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Squirrelnet
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« Reply #1914 on: December 08, 2019, 01:00:44 PM »

My wife kindly bought me this ARTF as an early Christmas present. I have a spare Telco or maybe a reaction motor would be better ?
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Pete Fardell
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« Reply #1915 on: December 08, 2019, 01:19:07 PM »

A Telco won’t work- try a Telfco instead.
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TheLurker
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« Reply #1916 on: December 08, 2019, 01:59:09 PM »

If you were to use a reaction motor it would have to be a D-H (R-R)Gnome.
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Jack Plane
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« Reply #1917 on: December 09, 2019, 02:30:30 AM »

A Telco won’t work- try a Telfco instead.

 Grin
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DerekMc
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« Reply #1918 on: December 09, 2019, 11:52:23 AM »

All of my F1B's need work ranging from simple to replacing a broken tailboom. Time to get started.

https://i.imgur.com/Y0IAgXu.jpg?1
What Did You Do Airplane Wise Today?
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They fly better when you smile!
Derek
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« Reply #1919 on: December 28, 2019, 12:37:32 PM »

Today I made what seems to have become an annual pilgrimage to Old Warden for the Shuttleworth Collection's Engineering open day.

I never fail to be struck at how similar the restoration of full size aircraft is to building a model on the dining room table ( or should that be the other way round ? ) often it seems only the scale is different. In the cosy back workshop , broken down into more manageable bits even a 2 seat WW1 aircraft seems like a strangely familiar project... just a lot bigger.

 Bristol Fighter restoration is progressing well, in addition there were the SE5a, Spitfire Vb, Gladiator, DH60x and Lysander to get up close and personal with.

Outside we were treated to ground runs from the Bristol Scout and the Sopwith Pup both with new piston rings fitted. They are only able to ground run them for about 3 mins as they overheat if allowed to run any longer. The Pup had run just 3 times after its new rings were fitted, the next time it runs it will fly as the only way to run the engine for long enough to bed the rings is to fly it so it has some cooling air !

As a complete aside it was also a good day as my old friend and fellow aeromodeller Steve came along on his 1952 Triumph Thunderbird. It was his first long trip on it ( around 100 miles round trip ) which it handled well, marking it's territory with a few oil spots as old british bikes do, when it got there. For those not into old bikes ...that's a good sign  Grin You only worry when it leaves none as that means it's run out !! If my 21st Century Honda did it ... I'd panic

Pic 1 - I think the board they pin this to when the dope's drying must be round the back... I couldn't see it anywhere

Pic 2 - I noticed they add some 1/4 round section to the outside edge of the top and bottom longerons to hold the covering away from the fuselage structure and rigging lines... never noticed that before

Pic 3 - Bristol Scout with very rub'n'buff looking cowling

Pic 4 - Sopwith Pup given 3 more minutes running in time

Pic 5 - Sopwith Pup with motorcycling distraction in the foreground.

Pic 6 - Naked Gladiator

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OZPAF
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« Reply #1920 on: December 29, 2019, 11:37:41 PM »

What a great day Chris - thanks for the photos.

John
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BG
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Me with F1B - epic retrieval (flew 10km after DT)


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« Reply #1921 on: December 30, 2019, 05:51:47 AM »

Like Derak I am also working on my F1Bs. In my case setting up a new model box and all of the holders required to hold the models etc. I am 3D printing the relevant holders. It will hold 4 F1Bs and two coupes with room to spare.
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F1B guy but its not my fault, Tony made me do it.
OZPAF
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« Reply #1922 on: December 30, 2019, 07:42:15 AM »

Something a little down the scale on the fellows working on F1B's and coupes. Blue 450 is a 18" WS simple rubber indoor model intended as a beginners model. It weighs 7.3g - not particularly light as the design requirements are that it be capable of being built by Air League cadets around 11-12 yrs old, under supervision and with fuselage blanks and sticks provided, in 4 hrs max.

it is covered with gift wrap tissue - preshrunk and the wing tiplets are still under scrutiny by the board(me!) as even in 0.8 soft balsa the are a little heavy. It is fitted with a 8" prop from an AMA Delta Dart thinned and balanced.

Trimming to be completed when I can either get access to an indoor site or this wing stops and preferably without the smoke haze over the whole East coast here.

Happy New Year to all here.

John
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MKelly
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« Reply #1923 on: December 30, 2019, 06:54:14 PM »

Took my son and his buddy out flying.  Two hours of jetcats and assorted gliders, lunch, then toured the static warbirds at the Lackland AFB parade grounds.  Conditions were very nice, son got a 40+ second flight with a hand-me-down catapult glider originally built by Al Cleave.

Mike
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OZPAF
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« Reply #1924 on: December 30, 2019, 11:35:09 PM »

Great way to spend a day Mike.

John
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