Proctor Antic-Bipe build

Proctor Antic-Bipe build
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Proctor Antic-Bipe build - 4/15/2007 4:13:17 AM

Vulturetec

Posts: 237
Joined: 8/13/2002
From: Ormond Beach, FL, USA
Status: offline

Howdy all, been working on an Antic Bipe project for a little while. I started taking pictures with the intent to post but never got around to it.

I bought the kit off of eBay (I'd been looking for a regular Antic or Bipe, this one came up at the right price). I don't know what changes they've made to the kit, if any - from the dated documentation in the box it looks like the kit was produced in 1975. I'm building it pretty close to the instructions/plans, except for using a hardboard rib jig rather than using pins, the finish on some of the wood, and a few cosmetic details. I'm using "Antique" Solartex fabric on it. This is my first experience with Solartex and the stuff is great!

My build-along gallery is here.

< Message edited by Vulturetec -- 4/15/2007 4:31:09 AM >

Post #: 1

RE: Proctor Antic-Bipe build - 4/15/2007 9:49:12 AM

spad

Posts: 148
Joined: 9/23/2004
From: SwindonWilts, UNITED KINGDOM
Status: offline

Hi vulturetec
just checked your gallery - doing a great job there! A real labour of love it seems - on a real builder's model!

2 questions though - do you have a pic of what the finished article looks like (model or full size) and what are the black diagonals between the fuse longerons/spreaders and on the wing between the ribs? Looks like carbon rod or tube??

Keep going with the gallery - well impressed by the attention to detail.

cheers
Rick

_____________________________

"Flying is life, whatever happens before or after is just waiting"
(with apologies to Steve McQueen)

(in reply to Vulturetec)

Post #: 2

RE: Proctor Antic-Bipe build - 4/15/2007 12:02:24 PM

Vulturetec

Posts: 237
Joined: 8/13/2002
From: Ormond Beach, FL, USA
Status: offline

quote:

2 questions though - do you have a pic of what the finished article looks like (model or full size) and what are the black diagonals between the fuse longerons/spreaders and on the wing between the ribs? Looks like carbon rod or tube??

Hi Rick, thanks... Proctor has a picture of theirs on their website here.

The black "diagonals" are thin/round bamboo. They're made from bamboo skewers I think, but very thin - I haven't been able to find any replacements that were the same size. They're functional though, the fuselage is really flimsy until they get set into position. The "drag wires" in the wings are made from the same bamboo material, they're also functional.

-sk

(in reply to spad)

Post #: 3

RE: Proctor Antic-Bipe build - 4/15/2007 3:54:49 PM

spad

Posts: 148
Joined: 9/23/2004
From: SwindonWilts, UNITED KINGDOM
Status: offline

Now that's fantastic...such character!
Thanks for the link n good luck with it - keep us all posted.

cheers
Rick

_____________________________

"Flying is life, whatever happens before or after is just waiting"
(with apologies to Steve McQueen)

(in reply to Vulturetec)

Post #: 4

RE: Proctor Antic-Bipe build - 4/17/2007 11:58:44 PM

Vulturetec

Posts: 237
Joined: 8/13/2002
From: Ormond Beach, FL, USA
Status: offline

A little progress... finished off the elevator:

(in reply to spad)

Post #: 5

RE: Proctor Antic-Bipe build - 4/19/2007 12:25:26 PM

hrrcflyer

Posts: 478
Joined: 4/11/2006
From: Carrollton, VA, USA
Status: offline

Vulturetec ,

Awesome looking model so far. Your model looks incredible, but it is WAY ABOVE my building abilities. A friend of mine just finished his Proctor Jenny. He put a Laser 70 four stroke, what engine are you planning to put in yours? Keep us posted.

Fly safe and have fun!!

David

_____________________________

Fly safe and have fun!!
David

(in reply to Vulturetec)

Post #: 6

RE: Proctor Antic-Bipe build - 4/19/2007 2:58:08 PM

Vulturetec

Posts: 237
Joined: 8/13/2002
From: Ormond Beach, FL, USA
Status: offline

Hi David... thanks - I think my patience outweighs my building abilities. Proctor kits always look intimidating, but they're really not that big a deal. This is my second Proctor project. They have some unique challenges (the hatch area for example), but as long as you're patient and cut the sticks carefully you'll be ok. Except for the wingtips there is very little in the way of sanding and shaping, almost everything else that needs to be cut to shape is already pre-cut. I still haven't figured out how I'm going to cover the wings. I've read a lot about it, but I've never covered a wing with that kind of airfoil.

It doesn't need this much power really, but I have an old OS 90 4-stroke (the old version with the pushrods in the back) I might use, otherwise I'm going to be looking for a .70 4-stroke for it.

-Scott

(in reply to hrrcflyer)

Post #: 7

RE: Proctor Antic-Bipe build - 4/26/2007 5:49:20 PM

Vulturetec

Posts: 237
Joined: 8/13/2002
From: Ormond Beach, FL, USA
Status: offline

A little more progress... working on installing the plywood fabric support plates that finish off the strut attach points (they fill in around the brass strut fittings), and the hatches for the four bellcranks in the wings:

(click for the whole series)

(in reply to Vulturetec)

Post #: 8

RE: Proctor Antic-Bipe build - 6/16/2007 12:20:54 AM

kyliesgrampa

Posts: 8
Joined: 4/13/2004
From: Kettering, OH, USA
Status: offline

Just came across your thread on the proctor Antic. Looking great, I just got the nerve to maiden mine yesterday, they are definitly worth the effort. Mine is the bipe without the center extension and I believe it will fly standing still. I overpowered with a saito 100. It had to have the nose weight anyway and still needed a little more. Like to hear from you if you have continued with the project. mike

(in reply to Vulturetec)

Post #: 9

RE: Proctor Antic-Bipe build - 6/17/2007 6:40:01 PM

CrateCruncher

Posts: 582
Joined: 10/14/2005
From: Austin, TX, USA
Status: offline

Bang-up job on the Antic Vulture! You also debunked one of the great myths of Proctor kits - that they are difficult and tedious. As you said they are actually well designed and the hand machined pieces fit with uncanny precision. I notice your cap-strips were hardwood and wingtips were laminations. The newer stuff is balsa and bamboo respectively. Not being the patient type I skipped the Ducco cement and nails method of rib capping for the method in the photo below. It allows you to pick up the assmbly in the jaws of the "clamp" and glue both sides. A shot of accelerator and viola, insta-rib!

Attachments

Click to see fullsize image.

Click for fullsize

(in reply to kyliesgrampa)

Post #: 10

RE: Proctor Antic-Bipe build - 6/19/2007 5:44:46 PM

Vulturetec

Posts: 237
Joined: 8/13/2002
From: Ormond Beach, FL, USA
Status: offline

Interesting...the Nieuport 11 uses Bamboo wingtips also - sounds like they're doing the wings like the Nieuport now.

Your rib-jig is the way to go. I originally set out to do a rib jig like yours, but settled on just pinning each half down. Either way it's far better than trying to use the multiple-pin method outlined in the book.

(in reply to CrateCruncher)

Post #: 11

RE: Proctor Antic-Bipe build - 6/19/2007 8:48:42 PM

CrateCruncher

Posts: 582
Joined: 10/14/2005
From: Austin, TX, USA
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Personally I think the laminations are better. Boiled bamboo can warp structures and straighten out over time. When I get to that point in construction I'll use two 1/8 balsa strips with a strip of 1/64 plywood sandwiched in between for strength. Sorry for the confusion. I'm building the Nieuport 11 currently. I forgot the Antic and Nieuport share the same rib web!

(in reply to Vulturetec)

Post #: 12

RE: Proctor Antic-Bipe build - 9/19/2007 3:47:48 AM

Vulturetec

Posts: 237
Joined: 8/13/2002
From: Ormond Beach, FL, USA
Status: offline

Been awhile, but there's been progress.

First, got the top wings finished up. I made hinges (as per the plans) and fit the ailerons for final shaping and sanding to match the wings. The plans call for three hinge-pins, I'm using a single long piece of music wire for test fitting:

...with everything finished up and sanded I covered the ailerons with Antique Solartex, fitting the fabric around the hinges.

...with the ailerons finished up I coated the lower portions of the wing ribs, center sheeting, and wing-tip with balsarite then covered the lower half of the wing. I'd been dreading covering the undercambered wing, but it was no big deal. I tackled it by tacking the fabric lengthwise, then pulled it tight to the corners. To keep things tight, yet tacked properly to the ribs I slowly tacked the fabric entirely to a middle rib, keeping it stretched chord-wise. Then I pulled the fabric snug to the next rib, tacked it completely chord-wise, tacked it to the trailing and leading edges, then moved to the next rib, and so on. In effect I was covering the wing rib-bay to rib-bay from the middle to the center of the wing, then from the middle to the tip.

After the lower fabric was attached I added pushrod-exit fabric reinforcements for the ailerons to the inside of the fabric, then covered the top of the wing. I used more "conventional" techniques to cover the top, keeping everything snug and wrinkle-free as I went. The end result looks great, and the ailerons/hinges all worked out great:

The next step was to cover the fuselage with some left-over scraps. I tacked the fabric directly to the frame, pulling along the edges.

FInally, for fun I stuck an old pilot (well, passenger) in the front-seat for a test fit. Seems to work!

Next step... make the inboard cable access covers, finish the set of lower wings, build the landing gear/tail-skid, rig the structural and control cables, and finish it up.

(in reply to CrateCruncher)

Post #: 13

RE: Proctor Antic-Bipe build - 9/24/2007 10:49:10 AM

loochman

Posts: 14
Joined: 12/26/2005
From: Quebradillas, , PUERTO RICO (USA)
Status: offline

Fine Work. I'm going to purchase a Antic Kit for m