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Old Sep 22, 2012, 11:14 AM
kalmon is offline
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Parkzone junkie
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Quote:
Originally Posted by bigbill1966 View Post
am i being dumb but does anyone know for sure what foam she is built from?
EPS aka Beer cooler foam. 90% of the UM and UMX planes are made from this.

-Brian
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Old Sep 22, 2012, 02:55 PM
LowlyElevated is offline
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pǝʇɹǝʌuᴉ sɐʍ I ǝsnɐɔǝq
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I flew mine without and with the gear. after flying it without, it seemed a bit lacking on power with it.

From now on its gear off for me!
Old Sep 22, 2012, 05:34 PM
kuczy is offline
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The Earth got in the way!
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Only bad thing is grass landings will take their toll on the foam intake.
Old Sep 22, 2012, 05:47 PM
pugsam is offline
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LiPo-Sucker & Airframe EMT
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Yes, without LG, that's a vulnerability.

Even with a good flare, this bird tends to take it on the chin.

I've added scotch tape reinforcement, which helps......a little.

Old Sep 22, 2012, 06:12 PM
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The Earth got in the way!
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I thought about painting a thin layer of Elmer's from the tip about 1" back on the underside.
Old Sep 22, 2012, 07:05 PM
kalmon is offline
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Quote:
Originally Posted by kuczy View Post
I thought about painting a thin layer of Elmer's from the tip about 1" back on the underside.
I used Polycrylic and .5oz Fiberglass. Only sign of wear is on the actual intake lip. Not even a scratch on the rest of the bottom!

-Brian
Old Sep 22, 2012, 08:35 PM
NitroCharged is offline
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Team30 Micro EDF
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You guys do remember the bash plate mod for the nose, right?


.
Old Sep 22, 2012, 08:47 PM
kalmon is offline
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Originally Posted by NitroCharged View Post
You guys do remember the bash plate mod for the nose, right?
Yeah but I don't have access to a vac-u-former to make the guard. and shipping is crazy to have you ship them Stateside.

I have had pretty good luck with the glass and polycrylic.

-Brian
Old Sep 22, 2012, 09:20 PM
NitroCharged is offline
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Team30 Micro EDF
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Neither do I - I used 90mm clear battery heatshrink over a plaster cast I took of the nose.
Old Sep 22, 2012, 09:25 PM
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The Earth got in the way!
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I haven't followed this thread much. I'll have to check that out. Nice!
Old Sep 23, 2012, 10:52 AM
green_flyer is offline
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we can take off without that
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I was going to reinforce my Mig nose with finishing resin only (no glass), but before I got round to it this happened. I had 2 good flights in the morning, but I got greedy and went for another flight in the afternoon when it was more windy.
Somehow I managed a perfect nose in. Straight down full power perpendicular to the ground. The Mig actually bounced!




And after repairs. Amazing how well this foam repairs. I dont think any amount of resin would have survivde this crash, makes me question the value of nose protection.




One aileron servo wire came loose. It was a pain to solder back on, solder would just not stick to the contact, even though I used 63/37 lead solder which flows really well.

Old Sep 23, 2012, 11:21 AM
kuczy is offline
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The Earth got in the way!
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Yeah no nose protection would have saved that from happening. Holy crap.
Old Sep 23, 2012, 11:23 AM
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Dr John
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Quote:
Originally Posted by green_flyer View Post
And after repairs. Amazing how well this foam repairs. I dont think any amount of resin would have survivde this crash, makes me question the value of nose protection.

Nose protection is intended to help prevent minor nicks and abrasions caused by normal landings without the gear. Nothing light enough to allow flight will save it from a one point arrival.

John
Old Sep 23, 2012, 11:46 AM
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we can take off without that
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completely agree. I wish E-flite built it with a plastic intake lip, at least that way it would have scratch protection, and the foam behind it could be rebuilt in a major crash.
Hopefully they will do that next time round.
Old Sep 23, 2012, 12:26 PM
rcoconut is offline
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Do you see what I see?
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Whoa, nice repair, did you use the "hot water" method with the nose? Sorry to hear 'bout her going in nose first, but your repair looks nice!


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