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« Reply #25 on: November 28, 2019, 10:19:41 AM »
Aeroresurrect
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Excellent progress, KK Iyer sir.

Me too extremely slow with the woodwork, even though it is laser-cut kit build.
My current problem is the engine mount...drilling precise vertical holes thru' beams are a big challenge.
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« Reply #26 on: November 28, 2019, 07:22:36 PM »
K K Iyer
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Before starting on the fuselage, one last rethink.

Unthrottled OS Pet .09 (circa 1960), or EMax CF2822 (~150w on 3s, presumably 100w on 2s...)

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8CD401FA-0D24-4BB8-81EA-0E15A5245357.jpg
Re: Build log. Mercury Marvin, CL to Electric/RC
* 8CD401FA-0D24-4BB8-81EA-0E15A5245357.jpg (65.72 KB, 800x702 - viewed 61 times.)
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« Reply #27 on: November 28, 2019, 07:33:22 PM »
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I have about 10 such 300ml bottles of half used glow fuel with the castor oil separated.
So inclined towards electric, even though my lipos, 6 yrs old on average, are a bit bloated, but should manage 10A(10c)...

257D4703-F6BC-42E9-B356-16E121351836.jpg
Re: Build log. Mercury Marvin, CL to Electric/RC
* 257D4703-F6BC-42E9-B356-16E121351836.jpg (66.25 KB, 800x600 - viewed 60 times.)
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« Reply #28 on: November 28, 2019, 08:40:38 PM »
K K Iyer
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For years, nay, decades, Iíve tried and failed to get a mirror finish.
Iíve tried dope and balsa dust (saved religiously by wife in the Ďfine sawdust caní)
Iíve tried grey filler putty
The best Iíve done is with 18gsm glass cloth and Bob Smith Finish Cure epoxy (Smooth, but hardly mirror finish)
But I want to do it without glass/epoxy.

On a recent US visit, got some Mod Podge and some Spackle.
Donít know what to do with the Mod Podge, and the spackle says Ďnot for use as a skim filmí

Somehow, one thing I never did was to cover sheet balsa surfaces with dope, then tissue with thinner.

Request suggestions for a nice finish on the Marvin fuselage and empennage (while waiting for 38 micron doculam for the wing)
Rai saheb said ĎJust use monokoteí
But all I have is a 5m roll of Green.
Really want translucent silver on wings, silver on fuselage bottom half, black on fuselage top half...

E32D1718-6A99-46E9-809F-8ECB685CA748.jpg
Re: Build log. Mercury Marvin, CL to Electric/RC
* E32D1718-6A99-46E9-809F-8ECB685CA748.jpg (64.98 KB, 800x600 - viewed 54 times.)
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« Reply #29 on: November 29, 2019, 09:36:46 AM »
sanjayrai55
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Don't wake a Tiger until you've factored the teeth



I have about 10 such 300ml bottles of half used glow fuel with the castor oil separated.
So inclined towards electric, even though my lipos, 6 yrs old on average, are a bit bloated, but should manage 10A(10c)...


Throw them all away! Fuel first. Either get the ingredients and mix a fresh batch, or buy 5% Falcon Fuel 1 litre
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« Reply #30 on: November 29, 2019, 09:39:16 AM »
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Excellent progress, KK Iyer sir.

Me too extremely slow with the woodwork, even though it is laser-cut kit build.
My current problem is the engine mount...drilling precise vertical holes thru' beams are a big challenge.

You don't need 'precise holes'  Drill them slightly oversize eg for a 3 mm bolt use a 3.2 mm drill etc. Use a Nyloc nut for simple and assured retaining

(Iyer sir, sorry for interrupting your thread)
« Last Edit: November 29, 2019, 10:22:53 AM by sanjayrai55 » Logged

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« Reply #31 on: November 29, 2019, 07:19:32 PM »
K K Iyer
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Excellent progress, KK Iyer sir.

Me too extremely slow with the woodwork, even though it is laser-cut kit build.
My current problem is the engine mount...drilling precise vertical holes thru' beams are a big challenge.

Drill on an aluminium template first. CA it to the mount. Then use it as a guide to drill through mount.

One advantage of oversize holes is that you can adjust side/down thrust  Grin
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« Reply #32 on: November 29, 2019, 08:13:48 PM »
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Traced outline to make some internal changes...

20BCEAE1-BD04-43DA-9648-66D7DA6B3A2E.jpg
Re: Build log. Mercury Marvin, CL to Electric/RC
* 20BCEAE1-BD04-43DA-9648-66D7DA6B3A2E.jpg (19.3 KB, 800x276 - viewed 47 times.)
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