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RE: BT Bf109E-3 - 5/17/2007 1:27:10 AM   
tubig


 

Posts: 961
Joined: 2/17/2003
From: Jungli, TAIWAN
Status: offline
quote:

ORIGINAL: heavytrack

Could you tell me, why you opted for glass as a board, is it to ensure a perfect level? I'm very interested in the glass idea. Also, what thickness glass did you choose?



mike, i'm using 1/2" (12mm) tempered glass laid onto a supporting table. i like a glass worktop because of the build techniques you can do with it. for example, you'll notice from the thread that when i built the fuselage i tacked the formers into position on a straight line i drew with a china marker on the glass. by doing that, i think this fuselage turned out to be one of the straightest fuselages i've ever built. i like being able to mix epoxy on the glass and then when it's cured just use a scraper to remove the excess. no more hunting for mixing cups/boards. i've tried just about every type of building surface there is and glass has become my worktop of choice. it's a little pricey but you might be able to find some used glass or slightly damaged pieces on the cheap through building contractors.

good luck on the 109. how about a separate build thread? i'd love to see another BT109E in the works.

_____________________________

Tim

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       Post #: 426

RE: BT Bf109E-3 - 5/17/2007 1:31:18 AM   
tubig


 

Posts: 961
Joined: 2/17/2003
From: Jungli, TAIWAN
Status: offline 		ed, looking back i think you're right. i could have used the FM for the fin panel. at the time i was still pretty new to FM and it took awhile to get the hang of applying it. i love the product. it's good stuff. next time i'll do better.

_____________________________

Tim

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       Post #: 427

RE: BT Bf109E-3 - 5/17/2007 5:07:30 PM   
heavytrack


 

Posts: 8
Joined: 5/12/2007
From: bridgnorthshropshire, UNITED KINGDOM
Status: offline 		Many thanks Tim, certainly agree about the epoxy bit, I used to get in to A LOT of trouble the the wife when I mixed the stuff and left it!!
That's the way forward then, 12mm it is.
I don't know about a new thread Tim, the last time I made models I was helping the Wright Brothers! So, I am somewhat rusty, possibly even corroded!
That's the reason I will be picking your brains, hope you don't mind.
Seriously though, I will see how it goes, my wife is looking at a new digital camera, so no excuses for pictures.
Again Tim, many thanks.

Mike.

(in reply to tubig)
       Post #: 428

RE: BT Bf109E-3 - 5/17/2007 10:45:21 PM   
ticketec


 

Posts: 908
Joined: 7/16/2003
From: Brisbane, AUSTRALIA
Status: offline 		Hey guy's

THought i'd pipe up and say that i also build on glass. as tubig said, it builds straighter because glass is always straight and does not warp over time, or with the high humidity we have here.

I CA my formers to the glass when building so they don't move around. just a little point here and there is enough, and fine it a great help. when the airframe is ready to come off the table, they just tend to pop off (sometimes i have also helped it along with a steel ruler to ease the joint free.

Tubig, your 109 is looking great and the level of detail you have gone to on this build is extreamely impressive,

Thanks

< Message edited by ticketec -- 5/17/2007 10:48:19 PM >

(in reply to heavytrack)
       Post #: 429

RE: BT Bf109E-3 - 5/18/2007 12:33:45 AM   
FliteMetal



Posts: 1122
Joined: 10/9/2002
From: Houston, TX, USA
Status: offline
quote:

ORIGINAL: tubig Ed, looking back i think you're right. i could have used the FM for the fin panel. at the time i was still pretty new to FM and it took awhile to get the hang of applying it. i love the product. it's good stuff. next time i'll do better.


Doing better was not my point... You are doing fine just the way you are! Like our instructions say. With a little time, patience, and practice applying Flite-Metal can easily and quickly applied.


_____________________________

Ed Clayman
http://www.FliteMetal.com

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       Post #: 430

RE: BT Bf109E-3 - 5/18/2007 3:57:03 PM   
Jagdfleiger



Posts: 43
Joined: 12/6/2006
From: Leawood, KS, USA
Status: offline
quote:

ORIGINAL: tubig

quote:

ORIGINAL: heavytrack

Could you tell me, why you opted for glass as a board, is it to ensure a perfect level? I'm very interested in the glass idea. Also, what thickness glass did you choose?



mike, i'm using 1/2" (12mm) tempered glass laid onto a supporting table. i like a glass worktop because of the build techniques you can do with it. for example, you'll notice from the thread that when i built the fuselage i tacked the formers into position on a straight line i drew with a china marker on the glass. by doing that, i think this fuselage turned out to be one of the straightest fuselages i've ever built. i like being able to mix epoxy on the glass and then when it's cured just use a scraper to remove the excess. no more hunting for mixing cups/boards. i've tried just about every type of building surface there is and glass has become my worktop of choice. it's a little pricey but you might be able to find some used glass or slightly damaged pieces on the cheap through building contractors.

good luck on the 109. how about a separate build thread? i'd love to see another BT109E in the works.


Tim,
Where did you get the glass from? I have see this used by other builders and want to give it a try.



_____________________________

Rob Johnson
"....I've been shot at, I've been shot up, but I havn't been shot down...."

(in reply to tubig)
       Post #: 431

RE: BT Bf109E-3 - 5/19/2007 2:56:57 AM   
tubig


 

Posts: 961
Joined: 2/17/2003
From: Jungli, TAIWAN
Status: offline
quote:

ORIGINAL: Jagdfleiger

Tim,
Where did you get the glass from? I have see this used by other builders and want to give it a try.



my shop is overseas so i purchased the glass from local glass suppliers. i use two separate 4' x 8' pieces which were about $150US each.

_____________________________

Tim

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       Post #: 432

RE: BT Bf109E-3 - 5/22/2007 1:14:10 PM   
jditton


 

Posts: 16
Joined: 1/28/2005
From: Rothwell, AUSTRALIA
Status: offline 		Hello All,
Just discovered the build thread, and after I have been building my BT Plan 109 for a year or so too....... Tubig, your model looks superb and I envy your dedication and skill.

My model will be a 109E from the Radio Modeller plan by Brian Taylor, wingspan about 61". Looks like most of the construction method is identical to yours, but the rudder and elevators are solid sheet. Mine will also be more "sport" than scale!
Planning to engine it with OS61LS rear exhaust (I used to fly pattern), and hoping for flying weight of 8 - 9 pounds. We'll see. I was surprised at the amount of block balsa used, but then most is converted to dust anyway!

Looking at this thread I'm ashamed to admit I'll be leaving most of the scale details off, but I certainly hope to capture the essence of the 109 - better than an ARF anyway......... Current status is fuselage made, tail feathers made, wings now having retracts fitted (I cheated with foam core wings) but still with lots more to do. Scratch building is good, but gee it's slow (when you have to work and keep a family happy). Maybe flying in a couple of months!

Cheers
James.

(in reply to tubig)
       Post #: 433

RE: BT Bf109E-4 - 5/22/2007 2:00:51 PM   
carlbecker



Posts: 1597
Joined: 7/29/2002
From: Fairfax, VA, USA
Status: offline 		Mike,
I lucked out and got the glass from a bank door that was being replaced. Cost was nothing. It was two pieces of about 1/4". I have read about people using the glass from sliding doors. I believe Dave Platt uses 1/2" on saw horses. I use the old dining room table and the glass overhangs a bit. I have been using it for about 5 years and its still perfect. I scrap off the CA, epoxy, paint etc. I mark lines as Tim does and CA balsa tabs for straight builds. I recommend getting at least Platt's first series of build tapes for lots of good ideas. I also have a balsa pinning board but rarely use it.

Carl

quote:

ORIGINAL: heavytrack

Carl, I think I will give it a go. roughly what thickness are you using, obviously it can't be too thin, but then again you don't want it bullet proof!

Mike


(in reply to heavytrack)
       Post #: 434

RE: BT Bf109E-4 - 5/22/2007 4:28:36 PM   
heavytrack


 

Posts: 8
Joined: 5/12/2007
From: bridgnorthshropshire, UNITED KINGDOM
Status: offline 		Carl, thanks for the info, I am getting a quote on a 12mm piece. I have several reference books now, so shall be studying them. Good idea about the tapes, shall have to investigate further. I have ordered the model, should arrive in about three weeks, I am having it laser cut, so it should come out nice and light. I intend to go electric with it, so I'm trying to find out if there is much weight difference between the petrol and tank of fuel and an electric engine and a boat load of batteries! A trip to the model shop beckons!
Again, thanks for the info, any other sugestions will be gratefully received.

Mike.

(in reply to carlbecker)
       Post #: 435

RE: BT Bf109E-4 - 5/22/2007 4:42:31 PM   
carlbecker



Posts: 1597
Joined: 7/29/2002
From: Fairfax, VA, USA
Status: offline 		Mike,
I don't want to get off Tim's build but laser cut doesn't mean light. It will be how well picked the balsa is from the cutter. I like laser cut and hand cut by the Aeroplane Works - Mace Gill. Either method done correctly will give great results. Tim has provided a great thread and you can check out RCscalebuilder.com for many more threads.

Good luck on your build.

Carl

(in reply to heavytrack)
       Post #: 436

RE: BT Bf109E-3 - 6/26/2007 3:18:18 AM   
tubig


 

Posts: 961
Joined: 2/17/2003
From: Jungli, TAIWAN
Status: offline 		thought i would give a quick update. have spent the last several days working on riveting the fuselage by marking out all of the rivet "lines" according to three-view. just a few more to add before burning them in. again, sorry for the lack of pics but camera has no power.

_____________________________

Tim

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RE: BT Bf109E-4 - 7/3/2007 11:06:29 AM   
Krener


 

Posts: 179
Joined: 11/5/2006
From: AS, AUSTRALIA
Status: offline 		Hi Tim.
Just curious as to the plans you have for this kit.
I just got a set of plans for a B.T 109, and am wondering if they are similar.
Mine looks far more complex, such as bulk heads and square support sections, aswell as a seperate side frame assembly.
Any details on yours.
Cheers

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I live in my own little world.................but it''s OK, they know me here.

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RE: BT Bf109E-4 - 7/6/2007 1:00:21 PM   
jditton


 

Posts: 16
Joined: 1/28/2005
From: Rothwell, AUSTRALIA
Status: offline 		G'day Krener,
Are your plans from Airborne? If so they are probably the same as the ones I am building from.
Cheers
James.

(in reply to Krener)
       Post #: 439

RE: BT Bf109E-4 - 7/8/2007 7:07:52 AM   
tubig


 

Posts: 961
Joined: 2/17/2003
From: Jungli, TAIWAN
Status: offline 		krener, bt has two 109 plans. one for the 109E which i'm buildi