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Baby Edge Build Thread - 12/13/2007 10:28:30 PM   
Steve Campbell


 

Posts: 4195
Joined: 12/8/2001
From: Zachary, LA, USA
Status: offline 		I just finished going over the airframe with a 350 degree iron. The covering job was better than I thought at first look; only one gooned-up area on the left aileron, and it isn't too bad. But there are a few points, mainly on the tips of the stabs, wings, ailerons, and elevators, where you need to make sure the covering is sealed down. Watch out for some of the graphics, such as the bunny holding the transmitter and the words "Edge 540" on the wing; these are NOT UltraCote, and the iron will bugger them up.

Overall, a nice job. The usual hot glue is used, so I hit everything I could reach with medium CA. Note to self; BE SURE to fuel-proof the exposed wood in the motor box area after the engine and cowl is fitted.

So, time to get started. I'm not real sure about the suggested method for locating the engine mounts; I'm sort of accustomed to having a thrust line to work from. But Tom knows what he is doing, so I'll try his method of centering up the cowl first and going from there.

Nothing worth photographing yet; I'll post pics as I get to note-worthy areas, since the Extra thread has plenty of shots showing how the thing is constructed, etc.; and I'm reasonably certain this airplane is built the same way.

This is going to go slowly, so please bear with me; I'm slow by nature, plus don't have as much free time as I would like. I should have stayed retired...

.
       Post #: 1

RE: Baby Edge Build Thread - 12/14/2007 12:23:43 AM   
rctom



Posts: 5199
Joined: 5/8/2002
From: Flower Mound (near Dallas), TX, USA
Status: offline 		No hot glue is used.

TF

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       Post #: 2

RE: Baby Edge Build Thread - 12/14/2007 1:38:42 AM   
Steve Campbell


 

Posts: 4195
Joined: 12/8/2001
From: Zachary, LA, USA
Status: offline 		Okay; perhaps its that epoxy-like stuff that LOOKS like hot glue?

Getting the engine mount set up was relatively painless. But instead of locking the cowl down, I just taped it securely. The fit was good; I'll fine tune it after I get the necessary holes cut in the cowl.

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RE: Baby Edge Build Thread - 12/14/2007 1:40:42 AM   
Steve Campbell


 

Posts: 4195
Joined: 12/8/2001
From: Zachary, LA, USA
Status: offline 		I'll be putting a bit of additional wood where the blind nuts go...

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RE: Baby Edge Build Thread - 12/14/2007 2:57:04 AM   
Mikel-t


 

Posts: 347
Joined: 12/9/2002
From: Ellicott City, MD, USA
Status: offline 		What engine are you showing there Steve?.


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''The future?...well it ain''t what it used to be!"

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       Post #: 5

RE: Baby Edge Build Thread - 12/14/2007 12:02:12 PM   
Steve Campbell


 

Posts: 4195
Joined: 12/8/2001
From: Zachary, LA, USA
Status: offline 		Laser 150.

I had to "strip" it (remove carburetor, muffler, rocker arm cover) so it would fit under the cowl.

.

(in reply to Mikel-t)
       Post #: 6

RE: Baby Edge Build Thread - 12/16/2007 8:27:51 PM   
Steve Campbell


 

Posts: 4195
Joined: 12/8/2001
From: Zachary, LA, USA
Status: offline 		Some more progress today. Getting the engine/cowl right is probably one of the most time-consuming assembly steps...

Here's the Laser 150 in place, with all pieces/parts accounted for. This engine presents a few challenges, due to the weird location of the carburetor and the 'unconventional' muffler lay-out.

.

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       Post #: 7

RE: Baby Edge Build Thread - 12/16/2007 8:31:12 PM   
Steve Campbell


 

Posts: 4195
Joined: 12/8/2001
From: Zachary, LA, USA
Status: offline 		Laying out the templates for the muffle and needle valve access holes; notice in the last photo how the cardboard templtes are "raised" a bit, via folds; otherwise, they will not lay flat on the cowl and give an incorrect indication of where to cut.

.

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       Post #: 8

RE: Baby Edge Build Thread - 12/16/2007 8:35:42 PM   
Steve Campbell


 

Posts: 4195
Joined: 12/8/2001
From: Zachary, LA, USA
Status: offline 		An easy way to produce a hole; drill 1/61th holes all around the inner side of the markings; use a sharp #11 blade to 'connect the dots'; and finish up with a sanding drum on the Dremel.

Don't forget the CA hinges, heavily CA-ed in place backing up the screw holes. This will keep the fiber glass from getting weak and cracking around the screw holes.

.

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       Post #: 9

RE: Baby Edge Build Thread - 12/16/2007 10:24:00 PM   
Steve Campbell


 

Posts: 4195
Joined: 12/8/2001
From: Zachary, LA, USA
Status: offline 		Be very careful when handling; the first picture shows what happens when you make a reflexive grab with weight (the engine) on the airframe... the cross former broke clean. No complaints; the fuse was slipping off the cradle due to my putzing around, and I grabbed what was handy

I spliced the repair job, so it should hold. But be careful; this model is built quite lightly.

.

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RE: Baby Edge Build Thread - 12/16/2007 10:27:37 PM   
Steve Campbell


 

Posts: 4195
Joined: 12/8/2001
From: Zachary, LA, USA
Status: offline 		Well, this isn't a job that Faye Stilley could be proud of; but it doesn't look half-bad. I nailed the muffler hole, but smooth missed the jug cut-out and needle-valve hole. Oh, well... hopefully I'll do better on the SlimLine fueler hole.

.

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< Message edited by Steve Campbell -- 12/16/2007 10:35:34 PM >

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       Post #: 11

RE: Baby Edge Build Thread - 12/16/2007 10:32:52 PM   
Zippi



Posts: 3092
Joined: 6/29/2004
From: Evansville, IN, USA
Status: offline 		Steve Campbell,

Have any pics of the engine box area? Tom said that area was beefed up when they were put together across the pond. I'm awaiting my 260 to arive late next week.

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       Post #: 12

RE: Baby Edge Build Thread - 12/16/2007 10:34:08 PM   
Steve Campbell


 

Posts: 4195
Joined: 12/8/2001
From: Zachary, LA, USA
Status: offline 		Tom mentions that there should be about a quarter-inch overlap of the cowl over the first former. I have 20mm (almost an inch) at the widest poit; the tape shows the "cut line" where I'll have to grind down the back edge of the cowl.

Pay attention to this; it affects how the canopy deck fits.

.

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RE: Baby Edge Build Thread - 12/16/2007 10:40:06 PM   
Zippi



Posts: 3092
Joined: 6/29/2004
From: Evansville, IN, USA
Status: offline
quote:

ORIGINAL: Steve Campbell

Tom mentions that there should be about a quarter-inch overlap of the cowl over the first former. I have 20mm (almost an inch) at the widest poit; the tape shows the "cut line" where I'll have to grind down the back edge of the cowl.

Pay attention to this; it affects how the canopy deck fits.

.

I would have thought that putting the canopy deck on and then fitting the cowl and then the engine would work out better and that would eliminate the need to cut the cowl. Maybe I'm wrong, I haven't got mine yet but it shoul