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Old Sep 29, 2009, 10:40 PM
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Idea

EPP Edge 540 T; videos, plans


Edge 540 T


This Edge 540 T is a spin off from the EPPYak55 . Similar size and construction and flying qualities, but with a new distinctive look. I really like the lines of the Edge 540 T. My personal challenge was to see if I could make a similar plane that looks like an Edge 540 T but that will fly as well as the Yak55 and maybe better! It shares a lot of the dimensions of the Yak (wing span, tail span,wing to tail spacing, etc) yet I tried to retain the lines and look of the Edge.

Here is the maiden video:

EPP EDGE 540 T (4 min 38 sec)


Trimmed an showing off 3D video:

Don & Adam Edge 540 T (6 min 55 sec)
Last edited by leadfeather; Nov 03, 2009 at 03:21 PM.
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Old Sep 29, 2009, 10:40 PM
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Plans


Updated 32" Plans Updated Feb 23, 2010.

Plans 36"


latest revisions included


.
Last edited by leadfeather; Feb 23, 2010 at 05:33 PM.
Old Sep 29, 2009, 10:41 PM
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Parts (some links don't work yet, fixed soon)


Parts list for 32" Edge 540 T

1 sheet 18 x 36 1.3# 9mm epp foam.
1/16" carbon rod for control rods.
Carbon flats
1/32 music wire for control rod ends.
Sumo or equivalent glue
Welders glue
Paint

Here a list of hardware that can be used and the respective costs. Make sure the components you chose are compatible with each other; especially motor and esc. For instance the Mag8 esc listed here will not work with the Hacker motor.



1) Cheapest, 24 gram motor, $8.95 sometimes less on sale, Blue Wonder 1500 kV



1.5) BW substitute Turnigy 2730-1500

Motor mount for 24 gram motor if required, 5 pack plastic stick mount

2) Mid $, 2204-14, http://www.justgofly.com/Order%20Form.htm Scroll down the page until you get to the motor and esc.

3) More $, Hacker A10-9L


Prop, $1.20, GWS 8x4 available widely

Prop adapter if required, $1.99, prop adapter

1) ESC for 24 gram motor, 2730-1500 motor, or 2404 motor, $11.95, 8 amp HobbyKingSS or Mystery 12 amp

2) ESC for hacker,Turnigy Plush 10 amp

1) Rudder and elevator servos also use for dual aileron set up, $3.49 ea , HXT 500 and for single aileron set up HXT 900

Reciever, $14, Corona 4 ch

EZ connectors 5 pack, 1.5mm EZ connectors


Control horns
plywood type

Prop saver bands from West Michigan Parkflyers.
Last edited by leadfeather; Jan 14, 2010 at 07:01 AM.
Old Sep 29, 2009, 10:42 PM
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Alternate size plans


Under construction
Old Sep 30, 2009, 12:10 AM
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You didn't say where you got the epp... I have been pricing tonight and looks like RCskyflyer.com has the best prices... You do alot of epp so just curious... RcFoam has alot of choices, but look abit higher... Don't know if they have a difference in their processing. Seems like I have read that hot wire epp is better due to its "skin"...

thanks and btw, looks like another good one
Old Sep 30, 2009, 03:39 AM
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Quote:
Originally Posted by tymbrewolf
You didn't say where you got the epp... I have been pricing tonight and looks like RCskyflyer.com has the best prices... You do alot of epp so just curious... RcFoam has alot of choices, but look abit higher... Don't know if they have a difference in their processing. Seems like I have read that hot wire epp is better due to its "skin"...
RCSKyflyer has always treated me right. I believe they are in So Cal somewhere, and RCFoam is in atlanta. I've heard good things about RCFoam but have never used them. IMO, choose whoever offers better prices.

I will say that RCSkyflyer has some cool deals and good discounts on carbon/foam orders.
Old Sep 30, 2009, 03:41 AM
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Hey Dan,

Is the tail moment on the your Edge shorter than the one on your Yak? I watched the video, and it does some good loops. Will it Lomcevak? I'd love to see someone do that one indoor.
How to Lomcevak II (2 min 27 sec)
Old Sep 30, 2009, 06:44 AM
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Quote:
Originally Posted by tymbrewolf
You didn't say where you got the epp... I have been pricing tonight and looks like RCskyflyer.com has the best prices... You do alot of epp so just curious... RcFoam has alot of choices, but look abit higher... Don't know if they have a difference in their processing. Seems like I have read that hot wire epp is better due to its "skin"...

thanks and btw, looks like another good one
I bought the epp from RCFoam. I think I bought from them this time because they had the carbon I wanted also.
Old Sep 30, 2009, 06:52 AM
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Quote:
Originally Posted by mikebergy
Hey Dan,

Is the tail moment on the your Edge shorter than the one on your Yak? I watched the video, and it does some good loops. Will it Lomcevak? I'd love to see someone do that one indoor.
The tail moment is actually sightly longer. See the pic below.

The Lomcevak looks just like what I do just before a maneuver I call a Smakitin.

But seriously, I think the EPP Yak or Edge may be too light to do a Lomcevak...but ya never know?
Old Sep 30, 2009, 08:20 AM
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Dan,
You must dream about this stuff.

Looking forward to working up the plans.

Ken
RCG Plus Member
Latest blog entry: Mini H Quad Project
Old Sep 30, 2009, 08:49 AM
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Smakitin is my second least favorite maneuver. My least favorite is stuckintree.

Quote:
Originally Posted by leadfeather
The tail moment is actually sightly longer. See the pic below.

The Lomcevak looks just like what I do just before a maneuver I call a Smakitin.

But seriously, I think the EPP Yak or Edge may be too light to do a Lomcevak...but ya never know?
Old Sep 30, 2009, 12:46 PM
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With the tail moment being longer it should, if my calculations are correct have slightly better hover characteristics than the Yak??

Lead your the best!!!
Old Sep 30, 2009, 03:56 PM
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Lead - I noticed the elecs are mounted way forward. Is this because of the added weight of the carbon? In the parts count you didn't mention battery size. I assume 2S for indoor and 3S for outdoor?
Old Sep 30, 2009, 06:46 PM
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Quote:
Originally Posted by RJD1234
Lead - I noticed the elecs are mounted way forward. Is this because of the added weight of the carbon? In the parts count you didn't mention battery size. I assume 2S for indoor and 3S for outdoor?
I overshot on my initial guess on cg and moved the equipment too far forward. I'll be adjusting parts positions this evening.

2s works for me for indoors and outdoors. If you use larger batteries than you may need 3s for the extra weight of the battery.
Last edited by leadfeather; Sep 30, 2009 at 11:11 PM.


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