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Author Topic: What Did You Do Airplane Wise Today?  (Read 143848 times)
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RolandD6
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« Reply #2700 on: May 28, 2021, 02:11:40 AM »

Finished stripping the covering off a Porterfield Collegiate LP-65 I built a long time ago. I had a thread about it on Small Flying Arts. Didn't get even one circuit of the gym on its first ROG flight. It lost an argument with another modellers table leg. The wing was not damaged at all but the cockpit was shattered.

Fortunately I used a water soluble tissue paste so the covering came off reasonably easy and the next step is to clean off the remaining paste with a damp cloth.

Have not decided how to fix the cockpit and make it stronger. The particular airplane I based the model (G-AFZL) on had a glazed roof which offered very little resistance to the screwing/shearing force when the wing hit the table leg. Have to find another example that appeals to me without a glazed roof; preferably with a blue fuselage because the framing is now stained blue in parts from the tissue paper.

Small correction; G-AFZL is a CP-50 not an LP-65.

Have found two CP-65 examples that have a blue fuselage and no roof glazing. Don’t have the registration codes at my finger tips but one has an NC registration and is all over blue with white markings. The other has an XB registration, blue fuse and what looks to be white wings and tailplane.

Have had a moderately successful attempt at cleaning the tissue adhesive of the framework with water, cloth and facial tissues. Still sticky to touch with damp fingers. Cabin framework looks OK in photo but micro cracks are present. Fortunately I was able to push it back into shape. Considering internal reinforcements of carbon fibre rod and/or basswood.

Paul
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Yak 52
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« Reply #2701 on: May 28, 2021, 03:55:28 AM »

Small correction; G-AFZL is a CP-50 not an LP-65.

Is there any difference between the two externally Paul? I was looking for a drawing of the CP-50 but could only find three views of the CP-65.

Jon
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RolandD6
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« Reply #2702 on: May 28, 2021, 05:29:57 AM »

Small correction; G-AFZL is a CP-50 not an LP-65.

Is there any difference between the two externally Paul? I was looking for a drawing of the CP-50 but could only find three views of the CP-65.

Jon

Not much. The main difference in the Collegiate models is the type of engine, for example:

CP-50, 50hp Continental
CP-65, 65hp Continental
LP-65, 65hp Lycoming

There may be detail differences between surviving example but those engines are very similar in physical external size.

You will find more information on the Porterfield Airplane Club web site:

porterfieldplane.ning.com

Hope that helps

Paul
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Russ Lister
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« Reply #2703 on: May 28, 2021, 06:24:25 AM »


Re the original aeroplane, how did the pilot ever safely land the thing? His field of view looks atrocious.


I guess he would rely on the screams coming from the passengers?  Roll Eyes
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kaintuck
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« Reply #2704 on: May 28, 2021, 11:38:48 AM »

Blue loctite on motor screws and bolted her on...now the slow process of covering, and windscreen install...
https://ibb.co/8cyV2Vt

Marc
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Indoorflyer
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« Reply #2705 on: May 28, 2021, 12:21:32 PM »



Is there any difference between the two externally Paul? I was looking for a drawing of the CP-50 but could only find three views of the CP-65.

Jon

The 50 horsepower engine had a different exhaust pipe routing. There was a cutout in the cowling above the cylinders for clearance.  On 65 hp versions all of the exhaust system was "below" the engine   U.S. Civil Aircraft Vol 7  By Joseph Juptner
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Yak 52
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« Reply #2706 on: May 28, 2021, 01:21:21 PM »

Thanks Paul and IF Smiley
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kaintuck
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« Reply #2707 on: May 28, 2021, 04:12:13 PM »

And 3hr later:
https://ibb.co/m4Fn8yQ

Tomorrow the windows....
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kaintuck
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« Reply #2708 on: May 29, 2021, 02:43:24 PM »

Finished covering and put in the windows.....to build the wing is next!
https://ibb.co/92Sc94b https://ibb.co/N3HgW6s
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TheLurker
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« Reply #2709 on: May 29, 2021, 03:22:30 PM »

Hmm, sometimes, just sometimes, a joke can get carried just a bit too far.  Yes it is a no-cal Lacey, no I'm not going to apologise.  Smiley
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Pete Fardell
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« Reply #2710 on: May 29, 2021, 05:21:28 PM »

Yes it is a no-cal Lacey, no I'm not going to apologise.  Smiley
That's okay. You may, however, be interested to know that I am just about to start writing my end of year reports.
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egejce
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« Reply #2711 on: May 30, 2021, 04:52:58 AM »

I finally finished the first rc plane for my daughter. It's an 1m DLG glider. I hope it will survive till the first flight Smiley.
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Indoorflyer
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« Reply #2712 on: May 30, 2021, 02:06:25 PM »

Hmm, sometimes, just sometimes, a joke can get carried just a bit too far.  Yes it is a no-cal Lacey, no I'm not going to apologise.  Smiley

Nice, Lurks.   I did a "peanut" sized profile Lacey a loooong time ago.  It flew great!  Added wheel spats for a little extra snazz..

Your motor stick is interesting.  Would like to see close up details if you don't mind
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flydean1
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« Reply #2713 on: May 30, 2021, 07:06:44 PM »

Got the Jetstream ready to cover.  Just some fiddling and sanding to do.

To quote Sweepette Lee, "When you are done sanding---keep sanding."
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TheLurker
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« Reply #2714 on: May 31, 2021, 03:09:16 AM »

Quote from: Indoorflyer
Your motor stick is interesting.  Would like to see close up details if you don't mind
I think, "simple" is a better description - and the idea is nicked from Abl, but as you have been so gracious to express an interest here are some snaps for you.  Don't tell the Head though, he'll get in a fearful bate.  Smiley

Cheers,
Lurk
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OZPAF
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« Reply #2715 on: June 01, 2021, 02:38:41 AM »

The Abl/Lurk no cal motor stick looks neat and light.

What a nice looking towliner FD - good luck with it.

Who will be doing the first flights Egce?

Your Sniffer looks great K.

John



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Yak 52
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« Reply #2716 on: June 01, 2021, 03:39:26 AM »

Got the Jetstream ready to cover.

That's really pretty Flydean!

Lurk: that's really... erm... well... amusing anyway  Grin
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PB_guy
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« Reply #2717 on: June 01, 2021, 10:11:49 PM »

Working on a 10" W/S Airco DH-5. Flying surfaces were covered and doped, and the final fuselage stringers were glued in place today. The finish is a fantasy scheme as a captured DH-5 given to von Richthofen for evaluation and painted in colours specifically for him.
ian
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egejce
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« Reply #2718 on: June 02, 2021, 11:42:31 AM »

Quote from: OZPAF link=topic=22419.msg274948#msg274948 date=1622529521

Who will be doing the first flights Egce?


[/quote

Probably I will do the first flight. I'm sure my daughter will make the last one.
I allrady started a new pair of wings, just in case Smiley
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lincoln
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« Reply #2719 on: June 02, 2021, 03:58:25 PM »

Went flying today, after ages and ages. Forgot the battery for the flying beer cooler, so I only flew the 1 meter dlg. Conditions were interesting at first, with small thermals that moved around. Later, lift seemed to be everywhere, and I had to dive out of it several times. My neck got sore, so I quit. I wasn't up for many more throws, anyway. In any case, a very pleasant return to flying.

One of these days, I should complete my scratch built, 36 inch dlg, which is basically Mark Drela's Apogee. I think it will fly a little better than the Elf. Or maybe fix one of my numerous other gliders.
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atesus
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« Reply #2720 on: June 03, 2021, 09:16:32 PM »

This was yesterday actually Embarrassed.

I got Rene Jossien's Ailbass CdH ready to cover. There may be just enough time to get her ready for a maiden at the Western States Championships this weekend (June 5th, 8AM-3PM at Waegell Field, Rancho Cordova, CA). As shown, including the tracker and the band burner timer, it weighs just under 57g. I may end up close 70g after all. I'll first try it with a 10x 1/8" motor.

--Ates

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dosco
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« Reply #2721 on: June 03, 2021, 09:48:26 PM »

Yesterday I started building a slightly modified version of the Beamsbox (Lunchbox modded for catapult launch).

I hope to have 2 units ready for Sunday, when my nephew comes to town. I want to give them to him.

Today I sprayed the components (1 unit's worth already cut out and sanded) with spray polyurethane. Will hit the bits with fine sandpaper, another shot of spray, then assembly and paint.

Best-
Dave
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dosco
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« Reply #2722 on: June 03, 2021, 10:00:48 PM »

I forgot to post this last week ... the Blue Angels do a show over Annapolis to celebrate the commissioning of each USNA graduating class.

A friend invited me aboard his sailboat to take in the show from the mouth of the Severn River ... basically adjacent to airshow center.

I didn't take pics of the most spectacular stuff, opting instead to just take it in.

I did get a couple of fun pics, though. Here's one.

Best-
Dave

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Indoorflyer
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« Reply #2723 on: June 03, 2021, 11:12:28 PM »

Nice!
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MKelly
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« Reply #2724 on: June 04, 2021, 09:59:08 PM »

Glassed the props for my P-47 and Super Fike builds.  Epoxy needs to harden overnight before I sand and paint them.  Fike should be ready to fly this weekend - too bad it's forecast to rain.  Guess I'll have to start covering the P-47...

Mike
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