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Chris Golds TB-3

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Olly P01/09/2012 16:08:34
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3215 forum posts
181 photos

Hello all,

I am planning to build one of these 80inch monsters over the coming months/years, and have started to look at the wood requirements. They are not very clearly marked on the plan, and so I have started putting together a list for buying of. I imagine I will miss a lot until I start the actual build.

So for my first plea for help - has anyone built one of these?

I am going to order some bits from SLEC anyway, as I know some of the requirements, and I will have a notepad next to the building board to jot missing things down on as I go.

Yours

Olly

Olly P02/09/2012 09:54:12
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3215 forum posts
181 photos

Well,

my initial guesstimate order was coming out at the £100 mark. the order has not been placed - I will be working away for a while from next friday with no chance of any building taking place so no point at present. I will be ordering after I get back.

The current plan for this is (even if I do say so) dastardly clever.

I will be building one fuselage and 2 wings, 1 wing will have 4 motors, battery space in nacelles and ESC's, and the other will be for PSS use.

I will note all the materials I use and where as I go so that future builders can put together a parts list.

I intend to order motors and ESC's last as I will know the AUW hopefully by then. I also intend to order a lot of lipos (using 4 per flight....) hopefully HK UK/GS etc will have good stock levels of them!

Olly

Garbo02/09/2012 19:04:10
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497 forum posts
34 photos

Olly whats a Chris Golds TB-3 my original post has disappeared.

David Gilder02/09/2012 19:11:40
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1860 forum posts
674 photos

Its a very old Tupelov Bomber.!! 4 engines!!

Easiest to just google it!!!

wink

Fats Flyer02/09/2012 19:12:59
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477 forum posts
12 photos

Nice Bomber Olly,

What motors are you going to use?,Are you going to update the specs and use brushless motors or stick to the power as per the plan.

FF

malcolm woodcock 102/09/2012 19:21:12
406 forum posts

Just5 googled TB3, why would anybody of ability not want to do a model of this aircraft. Way beyond my capabilities but hope there's a building thread for it.

Garbo02/09/2012 19:26:57
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497 forum posts
34 photos
Posted by David Gilder on 02/09/2012 19:11:40:

Its a very old Tupelov Bomber.!! 4 engines!!

Easiest to just google it!!!

wink

Thanks Dave, this morning when I searched google images for "Chris Golds TB-3 " I got no pictures of a plane but a nice picture of beach vollyball girls. I posted it, and it was deleted.

I dont think the girls were Russian!

Olly P02/09/2012 21:59:33
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3215 forum posts
181 photos

Malcolm, this will eventually become the build thread, when I buy the material!

It is a fairly simple model to build, and I hope to use it to try some scale techniques for the first time.

SVENO-SPB

The configeration I eventually want to create - a Sveno SPB

Olly P03/09/2012 08:48:38
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3215 forum posts
181 photos

Fats - sorry, missed your question, rude of me I know. I plan to upgrade and house the lipo and ESC for each motor in the nacelles, with a seperate flight pack in the fuselage.

The difficult bit, looking at the plan, will be the wing mounting. This will probably only be difficult due to the way the plan is drawn, but I'm sure I'll manage.

I will be ordering the wood in about 3 weeks, as I'm working away until then so no point having the wood!

As I say, power purchasing will be done after I have got her part built, so I can get an idea of weights - even if I just get a single wing outer, single nacelle and fuselage done, it should allow mw to calculate, and then add some for covering and scale detail!

Olly P03/09/2012 08:50:32
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3215 forum posts
181 photos

and a 3 view too:

tb3 3view.jpg

Fats Flyer25/03/2013 16:00:44
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477 forum posts
12 photos

Olly,i know youve been busy with your move and shed designing.....but ,have you got any further with this build.

Olly P25/03/2013 16:12:28
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3215 forum posts
181 photos

Fats - no!

I am currently planning on building at least 3 of these babies though!

Shed build will have to be complete before I look at them again, as that is where the build will be taking place. I need to refurbish some of the existing fleet, do some repairs and work so I have a couple of power and a couple of PSS hacks, then I'll be getting stuck into this. The only other serious draw on time will be the new sprog who is due very soon and may slow things up for a while.

So, the 3 I plan to build: firstly a power version with upgraded power sources as mentioned above, secondly a pure PSS version, probably with a modified section and other changes to make more 'slope friendly' I will discuss these in this thread when I do V2, and thirdly the version to support the SPB modifications with appropriate attachement plates for the fighters.

I aim to have the first one maidened (and that might be the PSS one, as this should be cheaper) by the new year - but all depends on funds and time with the new nipper.

Edited By Olly P on 25/03/2013 16:13:18

PatMc25/03/2013 16:28:53
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4433 forum posts
538 photos

Olly, you mention £100 estimate for the material is that for one model only & is it all wood construction ?

Fats Flyer25/03/2013 17:36:30
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477 forum posts
12 photos

When the little ankle biter arrives,i dont think you will get much flying in ,let alone building Ollie.Building three eh?thats just greedylaugh,i wish you luck. PatMc,Knowing Chris Golds hatred for foam,i think it will be an all built up affair.I had his Vigilante plan and no foam shown anywhere on the plan.

PatMc25/03/2013 19:23:24
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4433 forum posts
538 photos

Chris Gold's hatred for foam ?
IIRC he's had several models published that featured foam covered with brown paper including a 90" span Lancaster that accompanied an article in RCM&E explaining his brown paper & foam technique.

With such thick wings & it's "agricultural" looks, the TB-3 would seem to be an ideal candidate for these materials.

Fats Flyer25/03/2013 20:03:51
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477 forum posts
12 photos

Hhhmmmmmmm,Who am i thinking of then,the old grey matter is losing it me thinkssad.I know theres one designer who hates foam,i thought it was him

Olly P25/03/2013 21:32:31
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3215 forum posts
181 photos
All built up, no foam!

?100 was guess for one...
PatMc25/03/2013 23:02:23
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4433 forum posts
538 photos

You could save youself a lot of time & money by building it from foam & brown paper.

One of my clubmates specialises in building scale models to his own design. The wings are from poly foam covered in brown paper, the fuselages usually have a basic balsa frame with slabs of foam stuck to them then carved & sanded to shape before being covered with paper. I think he uses mainly pink foam. Here's some of examples of his handiwork.

john mac.jpg

sunderland_overhead.jpg


john_wessex.jpg

wessex_1.jpg

mig15.jpg

The models in these photos all use 400 brushed can motors.

He also once built a largish ic powered Ju 52 using the same foam & paper method but instead of brown paper he used corrugated cardbord. The outer surface was stripped back so that the exposed corrugations very convincingly simulated the corrugated metal of the full size.

Olly P26/03/2013 09:21:51
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3215 forum posts
181 photos

Foam and paper is an ooption (foam and corrugated propably as the wings are corrugated steel). I want to build one as plan and then look at foam, I would need to make myself a foam cutter to do it so that is possible for my longer term builds.

Olly P09/04/2013 09:31:23
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3215 forum posts
181 photos

SO, have done some more research, and am tempted to try the brown paper and poly C method from another thread to cover it. I will therefore try building one of the I-16 'parasites' converted to low weight electric and RC for indoor flying to see how i get on and to get my modelling eye back in (hopefully a quick build). Obviously this is after the shed is done, so some time away yet, as budget for that arrives may 1st.

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