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Author Topic: What Did You Do Airplane Wise Today?  (Read 101767 times)
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flyfac
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« Reply #1925 on: December 31, 2019, 01:51:47 AM »

Finished framing up a Guillows DHC-2 Beaver. 

Planning to finish this one in the Alaska Forestry scheme.

Best,

Scot Dobberfuhl
Forest Grove, OR
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flyfac
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« Reply #1926 on: December 31, 2019, 02:12:00 AM »

Also close to finishing this excellent peanut Waco SRE kit from George at Volare products.

Scot
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bobson
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« Reply #1927 on: December 31, 2019, 03:38:14 PM »

Beautiful models, Scot! Peanut Waco is coming out really nice.

OS
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flyfac
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« Reply #1928 on: January 01, 2020, 08:09:29 PM »

Here's a simple Fairchild 24 dimer getting some tissue.

Scot Dobberfuhl
Forest Grove, OR
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DHnut
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« Reply #1929 on: January 01, 2020, 10:37:59 PM »

I am currently at the New Zealand Nationals as CD for all the Outdoor FF scale events. This also includes flying in all the events and the Indoor FF Scale events tonight. I have also flown in Aggregate using a Presto powered by a SAM35. The evening was calm with little drift and good flying. I only recover at walking pace for all the usual reasons but still managed to cover almost 2 miles in the 30 minutes.   
The weather has been very kind with calm mornings so far but a heavy dew that burns off quickly by 0730 hrs. The air is hazy from the Australian bush fires and is giving spectacular sunrises an sunsets.
Two more days to go with Hangar Rat and P30 to fly.
Ricky
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OZPAF
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« Reply #1930 on: January 02, 2020, 02:40:56 AM »

Your "Aggregate" sounds like what we call Scramble in Oz, and it was a night event? They are great fun to watch as a spectator - especially if you have a mate flying and you are on the flight line - I managed this many times at various comps here in OZ and really enjoyed the night scrambles. The conditions sound almost perfect for free flight.
Good luck with your nationals.

John
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DHnut
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« Reply #1931 on: January 02, 2020, 05:15:04 AM »

John,
        They are one and the same thing. We do not fly the night version as you do. I have just returned from the indoor scale night. We flew F4D, Kit Scale and Peanut in about mid 20's temp. The wind today has cleared the haze this afternoon but this morning you could smell the burnt material in the air. Even the sun was an orange orb.
Hangar Rat tomorrow.
Ricky
 
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TheLurker
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« Reply #1932 on: January 02, 2020, 03:25:18 PM »

Finally fettled the nose block on my Lacey M-10 which had worked loose.
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Olbill
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« Reply #1933 on: January 02, 2020, 05:57:25 PM »

Working on what I hope will be the last one of these made. After not doing it for several years there was a steep learning curve to figure it out again.
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OZPAF
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« Reply #1934 on: January 03, 2020, 03:50:09 AM »

Good luck with your Hanger Rat Ricky. I seem to remember that Mr Mulholland is a serious competitor in HR Smiley Step on his toes and distract him Smiley

Bill just guessing but is the washe on the bolt bearing on the load cell wwhich would then need to be removed from the scales?

Happy New Year.

John
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Olbill
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« Reply #1935 on: January 03, 2020, 04:44:21 AM »

Good luck with your Hanger Rat Ricky. I seem to remember that Mr Mulholland is a serious competitor in HR Smiley Step on his toes and distract him Smiley

Bill just guessing but is the washe on the bolt bearing on the load cell wwhich would then need to be removed from the scales?

Happy New Year.

John

Yes.
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Robmoff
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« Reply #1936 on: January 03, 2020, 08:26:23 AM »

I've got into 'that should not fly' minimum type models lately. I have a couple of Power-Up units that have been cluttering up the workbench for a few years, I gave up when they did not seem to have enough useful poke, but with a less is more type plane, I thought it was worth another try. I also had an old book of paper model plane designs, about 30 years old IIRC and there was one design there that the kids built and flew at the time which went rather well. Since I have some 1mm depron that is lighter that the stiff paper we used then I had high hopes. So I made two, one slightly larger that the original. Same result, not enough poke. Then another club member remarked that his PU module should have been able to push either along quite nicely, after a bit of discussion we used his charger. A minute and a half later my model is hung up on the wall, 20 feet up. My charger was knackered from new, I have now found the poor solder joint in it and repaired it, look out ceiling here we come!
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OZPAF
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« Reply #1937 on: January 03, 2020, 05:21:10 PM »

Thanks Bill. It is a nice compact arrangement for a digital torque meter.

Wild looking devices Rob.  They would probably fly well also on 10F supercaps.

John
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DHnut
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« Reply #1938 on: January 04, 2020, 04:43:23 AM »

John,
        Hangar Rat was well supported and included a number of radio modellers. Avetech do a very nice kit that takes very little to build and gives a consistent result. We also have minimum weight limit of 6 gm in our rules to ensure light weight rule benders are not dominating the results and maintain the focus on trimming skill as well as ensuring the models remain robust to handle.
I also flew P30 today and lost the model on the first flight. It was a Teachers Pet and was last seen after 7 min 35 sec at great height drifting towards Masterton. It had remained in perfect trim after 5 years in storage. The DT worked but the lift was too strong. I may get a telephone call if I am lucky. I have a spare pair of wings and tail so a new fuselage needs to be built.
Ricky
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DerekMc
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« Reply #1939 on: January 04, 2020, 11:50:12 AM »

I hooked up a bit of temporary lighting in the modeling corner so I can see what I'm doing Grin

https://i.imgur.com/Vwqvjbq.jpg

I renewed my AMA and FAI membership for the year.  I wonder how many organizations I'm a member of?  Off the top of my head-

-Academy of Model Aeronautics
-FAI
-National Rocketry Association
-Tripoli Rocketry Association
-Tri-City Rocketeers
-Lost Hills Free Fight Model Airfield association
-009 Society

I'm probably missing one or two Huh Roll Eyes

Groups I let lapse:

-Flying Aces Club
-NMRA (National Model Railroading Association)
-Willamette Modelers Club - I keep forgetting to pay the dues when I'm at a contest
-IPMS (International Plastic Modelers' Society)
-AMPS (Armor Modeling and Preservation Society)

What groups/ organizations/ clubs are you a part of?
What Did You Do Airplane Wise Today?
« Last Edit: January 04, 2020, 12:12:33 PM by DerekMc » Logged

They fly better when you smile!
Derek
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« Reply #1940 on: January 04, 2020, 03:04:59 PM »

Years ago I put together a website to promote the P30 class. I took it down for some reason. I decided to republish it in an 'as is' format. It's out of date but still has quite a bit of useful information. Check it out here-

http://p30page.weebly.com/
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They fly better when you smile!
Derek
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« Reply #1941 on: January 06, 2020, 05:00:19 AM »

Thanks for that Derek.

After having a bit of a hassle trimming my latest CLG to transition from the climb - I decided to check my eyeballed CG with a Static margin calculation using my spread sheet. I then found that my CG was a long way aft (almost1/4") and was at the calculated NP. So I moved the CG to provide a similar margin to that on my other successful CLG and tried again. Early launches have shown this to be working, but I will need a period of low winds and no bush Fire Smoke before I can say it is proven.
However the point of this is that by checking the SM of successful models against calculations - you have a means of determining if you are in the ball park or not. I was at a loss as to what was really wrong as my eyeballed CG looked ok - but it was way out.

The current version has a slightly reduced stab - 15%(18% in the pic) and the Static Margin is 5% at a CG of 40% of the MAC with smaller tail.

John
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OZPAF
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« Reply #1942 on: January 08, 2020, 02:36:32 AM »

Finally got a chance to fly the above CLG in a period with only a gentle breeze but with lots of smoke/fog. Well it was certainly worth checking the static margin. It caught a light thermal on it's second launch and almost returned to mother(trees!).
Transition problem well and truly solved.
John
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p40qmilj
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« Reply #1943 on: January 14, 2020, 09:14:57 AM »

 Grin  cut out parts for the frogflite mustang 12 inch model. will show pics when i start assy.

jim Grin Grin Grin
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MKelly
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« Reply #1944 on: January 17, 2020, 11:17:41 PM »

Made a tailwheel today for the 22" span Nassise-designed Max Holste Broussard I've been building. The real airplane's tailwheel strut strokes through a pretty good swing from ground to flight attitude, wanted to see if I could capture both the static and flight look. It works!  Weighs just under .4g, will be a bit less after trimming the wires and forward link.  I might be going over the edge...

Mike
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TheLurker
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« Reply #1945 on: January 18, 2020, 02:37:16 AM »

Mr. Kelly.  You are too flaming good at this for your own good never mind making the rest of us feel totally inadequate.  Smiley

That tailwheel is a delightful piece of work.
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DavidJP
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« Reply #1946 on: January 18, 2020, 04:54:17 AM »

Yes, I suppose it is when you think about it.
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ironmike
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« Reply #1947 on: January 18, 2020, 11:38:35 AM »

Yea mike you have gone over the edge!
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Squirrelnet
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« Reply #1948 on: January 18, 2020, 01:16:17 PM »

Beautiful work Mike and very impressive weight.

 Meanwhile .. today I saw almost the polar opposite of small scale models at the London Model Engineering Exhibition. The LMA had some enormous scale models on display. The largest, a half scale DH Tiger Moth is the largest flying model I've ever seen. There was a Beardmore Inflexible too which my friend commented was like a model of a full size aircraft that had been scaled up from a simple RC model and then scaled back down again. Impressive model but for me not as good as Peter Smarts indoor example which I think had more of the character of the full size aircraft.

Anyway here's a couple of pics

It's worth a visit to Alexandria Palace, it's the last day tomorrow. It's very steam engine/engineering heavy as the title suggests but I did come away with bag of tools and bits and pieces, and the thought of - if I did get a lathe how would I fit into the already crowded workshop and how much would I actually use it ? Particularly as when I got back I started assembling an Ikara Butterfly  Embarrassed
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MKelly
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« Reply #1949 on: January 18, 2020, 08:58:03 PM »

Thanks for the kind words.  Got the tailwheel finished up and fitted it today for some bones shots.  Just under 15g as pictured and a bit noseheavy, balances a bit forward of the spar.  'Bout time to break out the tissue...

Mike
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