RJ Gritter EPP MX2 Airfoil by Fancyfoam - Page 4 - RC Groups
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Sep 20, 2012, 09:12 PM
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Thanks guys. It's Krylon Shortcuts using heavy paper masks and Krylon Easy Tack to hold it down while painting. I had to do some touch up on the wing. The airfoiled wings are hard to get a good paint line for me. Frog tape works ok but I use paper templates because its much quicker than all the tape. I'll try slightly thinner paper or something next one. On the wing anyway. Flat EPP is no problem
with fairly heavy paper.
I just got back from flying this baby and man it's a sweetheart. I used 35c 800 packs on the Hacker with 8 x 4 DD prop. Definately flys heavier than an indoor Mx2 for sure but great outdoors. It will slow down and harrier just fine but will also eat up some sky when you punch it. I got 7.5 minute flights on 800 mah. My 3 cell 450 nanotech's are just up to the 11 amp draw. Anyway, knifedge is very true. Snaps are clean. Just a really nice flyer! It does fly lighter with the 3s 450 pack but short flights for me. In a more confined space you might want the lighter packs. I have the 1.9 lb foam and it is very rigid. NO tail twist I can tell and very crisp on the controls. I did my gear like the 42 inch models by making a plywood H shape and glued it in a slot in the fuse. Gear just shoves up in there and can be removed easily. It you want a foamy that flys like balsa and has a little heavier wing loading for outdoors this would be it. It could be built light but I have 2 flat wing MX2's for that already. ....now to get my backup ordered.
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Sep 20, 2012, 10:11 PM
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motorhead's Avatar
Sep 21, 2012, 01:48 PM
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I'll try to get one if I can get someone to hold a camera for me!
I'll have to weigh it. A couple ounces more than my 1.3 lb flat plate MX2 but I will check for sure later.
Sep 23, 2012, 02:17 PM
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With NO battery the flat wing MX2 is 7 ounces and the Airfoil is 9.2 ounces. I flew it a lot at the KC Huckfest yesterday in 10 to 12 mph winds and it did fine. Sure not a light indoor foamy but great outdoors to me. It will do anything you can throw at it. Very crisp flyng. I also bought my backup!
Sep 23, 2012, 02:54 PM
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just got back in from running out a 2 cell and 3 cell 850 pack. It actually flys ok on 2 cells but 3 cells makes great power on the Hacker A20. The 850 packs give my a solid 7 to 7.5 minutes of flying. I have some 460 3 cell packs on order but I sure like the longer flight times.
I'm using 35C packs right now called ProPacks from rcplanebuilder. You could centainly build this plane much lighter by going with 1.5 lb foam, smaller motor, 2 cell smaller packs, and no gear if you wanted to. My goal was to get something with about the same wing loading as the other profile planes I like to fly like the 40 size Sabre and Mojo so it would make a good smaller area practice plane for my side yard. So far, this works just great.
Sep 23, 2012, 02:58 PM
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AND here's a great part. NO wing or tail flex....absolutely none! Doing a straight down dive and then put full elevator and the plane just stops. No flex and very predictable.
Sep 23, 2012, 11:22 PM
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Here a crummy video I took from my iPhone stuck in my pocket. Great sky and lighting but missed parts of the flying. Not a total loss. You can tell some of the performance.

I wanted to share something on Photobucket with you!

See the fullsize version at: http://s1051.photobucket.com/albums/...er_media_share

Sep 23, 2012, 11:30 PM
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I think you can hear some gun shots in the background. I am not really getting shot at. Our field is next to a gun range. At least I hope I was not getting shot at!
Last edited by Jerry Brown; Sep 27, 2012 at 12:57 PM.
Nov 10, 2012, 12:44 AM
Some.. call him Tim...
Ducati Mechanic's Avatar
I'm pulling the trigger on one of these!!
Nov 13, 2012, 04:33 PM
Fly lower!
aerolite's Avatar

Jamie Hicks & EPP airfoil MX2 & B-29 FiFi

Here is a video of Jamie Hicks flying the airfoil EPP MX2, at the CAF Airpower Museum, located in Midland, Texas.

We actually had FiFi, the B-29 in the background, which was way cool.

Dennis Robbins (aerolite)

EPP MX2 airfoil & B-29 FiFi (2 min 19 sec)
Nov 13, 2012, 05:22 PM
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motorhead's Avatar
Good flying. Sure seems quiet with the hacker on it.
Nov 21, 2012, 01:47 PM
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Yep, flys like an Mx2!
May 17, 2014, 12:17 PM
The wing is the thing
RANSWrench's Avatar
Here is a couple of MX2's built and painted by Eddie in Hays KS. The green one is mine. I am really enjoying this plane. Flies like a dream.
May 20, 2014, 12:15 AM
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motorhead's Avatar
Sweet paint!
May 23, 2014, 10:51 PM
The wing is the thing
RANSWrench's Avatar
Might see them both at Riverfest. Pretty sure Eddie will be there with the orange one and I'm hoping to make it with the green one.

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