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« Reply #25 on: April 03, 2014, 06:17:06 PM »
ashok baijal
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So while the reinforcement for the upper wing is drying, I shifted focus to the tail feathers. The elevator was cut off from the tail plane while the rudder was cut off from the vertical stabiliser. Next step was to hinge the control surfaces. Being from the old school I prefer hinges to using a tape. So two hinges each were attached to the two control surfaces using araldite and left to dry overnight

Build 24.jpg
Re: Fokker DRVIII Bipe - Sweepstakes Entry
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« Reply #26 on: April 03, 2014, 07:50:41 PM »
K K Iyer
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@ashok baijal
Didn't you note in my Indore Bipe build that the dihedral brace is a 3" piece of cycle spoke bent in the middle and inserted into the cf tube spars?
Great progress. Should get done by Saturday night.
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« Reply #27 on: April 03, 2014, 07:57:51 PM »
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Lesson in workmanship.
Just look at the edges of the tail parts!
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« Reply #28 on: April 04, 2014, 10:32:17 PM »
ashok baijal
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The araldite on the hinges of the tail feathers had dried by morning. The first task done today was fixing them to the fuselage.

Build 25.jpg
Re: Fokker DRVIII Bipe - Sweepstakes Entry
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« Reply #29 on: April 04, 2014, 10:36:42 PM »
ashok baijal
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The KFm panels on the wings had also dried overnight. The leading edge was shaped to give the wing an aerofoil shape. The same was repeated for the upper wing also which had a 8-10 degree dihedral.

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Re: Fokker DRVIII Bipe - Sweepstakes Entry
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« Reply #30 on: April 04, 2014, 10:42:05 PM »
K K Iyer
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Araldite has 5 min epoxy now

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Re: Fokker DRVIII Bipe - Sweepstakes Entry
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« Reply #31 on: April 04, 2014, 10:49:42 PM »
ashok baijal
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I prepared control horns by cutting shaped pieces from a tongue depressor. The wooden tongue depressor is made of a thin but stiff wood and I found it good for the purpose. I strengthened the tips by applying a few drops of feviquick.

I also found the control rods required were a bit long and the wire I was planning to use had a bit of slop. So I prepared carbon fibre control rods by attaching the Z shaped ends to the carbon rod using feviquick and covering the joint with heat shrink tubing.

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« Reply #32 on: April 04, 2014, 10:52:57 PM »
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nice build  Hats Off Hats Off Hats Off
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« Reply #33 on: April 04, 2014, 10:58:51 PM »
ashok baijal
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@Iyer
Araldite also has "Araldite Rapid" which is quick drying. I prefer to use it at the flying field. Maybe now they have started calling it Araldite Klear. In my old age I use the normal Araldite as I can do my work a bit slowly  Grin  Grin
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« Reply #34 on: April 04, 2014, 11:02:15 PM »
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Thanks guys for the encouragement  Thanks
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« Reply #35 on: April 04, 2014, 11:08:46 PM »
K K Iyer
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@ashok baijal
Just noticed that a
DRVII DR VIII
is a monoplane parasol!
« Last Edit: April 05, 2014, 12:44:05 PM by K K Iyer » Logged
 

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« Reply #36 on: April 05, 2014, 08:33:04 AM »
ashok baijal
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Some photos of Fokker DRVII taken from wikiipedia

tmp_220px-Fokker_D_VII_SE-XVO_OTT_2013_04-1523302981.jpg
Re: Fokker DRVIII Bipe - Sweepstakes Entry
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« Reply #37 on: April 05, 2014, 08:39:12 AM »
ashok baijal
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By the way, just noticed that the heading of the thread says its a Fokker DRVIII build though I am building the DRVII as stated in the opening first post. Sorry guys for the mistake. Another one is that the thread is grouped under "RC EQUIPMENT" instead of  "ELECTRIC PLANES". Need help from Admin to correct  Help Me

Thanks. Since done. Salute
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« Reply #38 on: April 05, 2014, 10:36:04 AM »
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Ashokji, keenly watching your Build. Beautiful all i can say, neat cuts.
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« Reply #39 on: April 05, 2014, 11:22:11 AM »
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K.K.Iyer sir, the Fokker E.V or the D VIII was the monoplane that you were referring to. It had the distinction of scoring the final aerial kill of the Great War.

Incidentally, Baijal Sahib, beautiful workmanship. Where were you, incognito, all these days?
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« Reply #40 on: April 05, 2014, 02:53:01 PM »
ashok baijal
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@VC
Been practically out of the hobby for last 5-6 years because of frequent transfers. Finally retired in Jan 13 but fate was still not reconciled to allow me to settle down. Lots of family/health problems. Still do not see end of the tunnel.
Incidentally me and Iyer worked for the same organisation and in 92-93 shared the same room in office.
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« Reply #41 on: April 06, 2014, 08:14:11 AM »
ashok baijal
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After fixing the control rods, it was turn for fixing the wings. The lower wing was the first one to be attached. A few boxes of nails were balanced on top of the fuselage to apply pressure while the glue set. Incidentally a view of my small workshop

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Re: Fokker DRVIII Bipe - Sweepstakes Entry
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« Reply #42 on: April 06, 2014, 08:21:16 AM »
ashok baijal
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Next I cut two pieces of foam to serve as an alignment jig for the upper wing as it is supported by struts only. I decided on using carbon Fibre rods for making the struts as I did not have the bamboo sticks. I pinned the alignment jig pieces to a cardboard box to keep them vertical during the period that the struts were glued.

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« Reply #43 on: April 06, 2014, 08:23:15 AM »
ashok baijal
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This time I used Araldite Rapid, as suggested by Iyer.

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« Reply #44 on: April 06, 2014, 08:25:51 AM »
ashok baijal
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Once the outer struts had set, I removed the support jig pieces and then attached the inner struts.

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« Reply #45 on: April 06, 2014, 08:27:23 AM »
ashok baijal
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The rear skid was prepared by bending a cycle spoke

Build 47.jpg
Re: Fokker DRVIII Bipe - Sweepstakes Entry
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« Reply #46 on: April 06, 2014, 08:37:37 AM »
ashok baijal
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Since I did not have front wheels readymade, I decided to make one. I cut two round pies from 1/8" balsa and four more pieces of slightly larger dia of 1/16" balsa to serve as outer rims. Once the glue dried I attached a rubber tubing (used in the valve of bicycles) using fevibond. The axle hub was prepared using a small piece of brass tubing (from my glow engine set ups). The wheels quite match the wheels used in the real Fokker DR VIIs  Tongue

If only I can get the rubber patch which is used for repairing punctures I would have covered the joint where the two ends of the rubber tubing meet. Fivibond was not of much help there.

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« Reply #47 on: April 06, 2014, 11:07:23 AM »
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Excuse me Sir, don't mean to jump the gun, what paint pattern do you have in mind? I hope it is the 'lozenge' scheme......
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« Reply #48 on: April 06, 2014, 11:50:12 AM »
ashok baijal
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Paint will have to wait as I have to buy a compressor for my airbrush. Waiting for weather to cool down a bit so that I can go hunting for one. Cool I think we should cut out the "Sir" business. After all old men are kids again. See how we play with our grandchildren  Cheesy Today evening, incidentally, we are celebrating my granddaughter's second birthday. I think the "sir" is stripped off the day you retire   Head Scratching
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« Reply #49 on: April 06, 2014, 11:58:29 AM »
K K Iyer
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How did you cut those perfectly round disks?

If using fuel tube or valve tube for tyres, cut to size, then insert a 2-3mm piece of toothpick half way into each end, hold together and put a drop of CA. Before mounting on hub.
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