Brabham BMW BT50

    5Nige
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    Post  5Nige on Tue Jul 01, 2014 11:01 pm

    Next project is the Brabham BMW BT50 from the 1982 F1 season.  Driven by the Nelson Piquet (BRA) and Riccardo Patrese (ITA) its debut was during the 1982 Kyalami GP, South Africa.  The  car recorded a win at the Canadian GP.

    Kit is from Tamiya, 1/20 scale, decals by Shunko Models, colors used Pure Brilliant White and Dark Blue by ZeroPaints, clear coat 2K by Zero as well.  I opted to paint the blue with the excellent decals providing the pin stripes.  

    I am posting pics of work to date, my target being to have the completed model by end July - of this year I hope!

    Brabham BMW BT50 <a href=Brabham BMW BT50 BT50boxart_zps677b2179" />

    Brabham BMW BT50 <a href=Brabham BMW BT50 BrabhamBT50shunkomodels_zps933c5a0c" />

    Brabham BMW BT50 <a href=Brabham BMW BT50 IMG_3603_zpsae6b3992" />

    Brabham BMW BT50 <a href=Brabham BMW BT50 IMG_3602_zps561d8b41" />

    The upper monocoque chassis was in aluminum, riveted all round.  Drilling and placing an innumerable amount of rivets was to be nerve wracking, next to impossible job which if undertook would have led me to quit the model.  Here I used resin rivet head decal lines by Archer Transfers, again magnificent.  I sprayed gloss black and Alclad polished aluminium over these.

    Brabham BMW BT50 <a href=Brabham BMW BT50 IMG_3285_zpse56dd148" />

    Brabham BMW BT50 <a href=Brabham BMW BT50 IMG_3286_zps9a9d28d5" />

    Brabham BMW BT50 <a href=Brabham BMW BT50 IMG_3288_zps081d565a" />

    Engine was also constructed, and it was fun to build.  More additions are required, these to be mounted 'in situ' once the engine is mated with the chassis.

    Brabham BMW BT50 <a href=Brabham BMW BT50 IMG_4018_zpsca7ac30c" />

    Brabham BMW BT50 <a href=Brabham BMW BT50 IMG_4016_zps2e011158" />

    Brabham BMW BT50 <a href=Brabham BMW BT50 IMG_4015_zps251d83e4" />

    Brabham BMW BT50 <a href=Brabham BMW BT50 IMG_4011_zps2d038694" />

    The tiny fuel injectors:  0.4mm steel wire and 0.5mm nuts:

    Brabham BMW BT50 <a href=Brabham BMW BT50 IMG_3598_zpsbfbcfcee" />

    Rear suspension also constructed, with steel tubes replacing the molded drive shafts, and the mandatory improvement to the coil overs.

    Brabham BMW BT50 <a href=Brabham BMW BT50 IMG_4020_zps7e6c3cbf" />

    Brabham BMW BT50 <a href=Brabham BMW BT50 IMG_4026_zpse2f6ca28" />

    Note the eyelets inserted in to pull rods, to be mated with the chassis via a nut and bolt.

    Brabham BMW BT50 <a href=Brabham BMW BT50 IMG_4073_zps08123955" />

    Hope to post more progress soon.
    bcauchi
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    Post  bcauchi on Wed Jul 02, 2014 2:19 pm

    Fantastic work, keep it up and keep the pics coming.
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    Post  skyhigh on Wed Jul 02, 2014 4:56 pm

    You sure.... build models with passion.. cheers 
    el manolo
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    Post  el manolo on Thu Jul 03, 2014 7:36 pm

    Excellent detailing!
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    Post  Ray on Thu Jul 03, 2014 8:45 pm

    Spot on detailing Alan....clean & crisp all the way  bounce 

    Keep them coming  cheers 
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    Post  in nannu pec on Sat Jul 05, 2014 9:31 am

    Prosit Alan.....this is going to be another stunner Smile
    In nannu Cool 
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    Post  5Nige on Mon Aug 18, 2014 11:15 pm

    More progress.  The rather modest early 1980s F1 dash board completed, with toggle switches, other indicators and the main switch added, together with the minute labelling thereto.

    Brabham BMW BT50 <a href=Brabham BMW BT50 IMG_4552_zps551b6c73" />

    Brabham BMW BT50 <a href=Brabham BMW BT50 IMG_4554_zpsa895da58" />

    Cockpit completion included seat belts, with only the supplier decal remaining.  Attention turned onto the front end with scratch building of the main servo and addition of the various cabling, grouped together into one casing (shrink tube) leading to the rear end (engine).  Front suspension modifications included the usual coil overs and scratch building of the steering wheel from steel tube and thick steel wire inserted therein. The front monocque includes an early use of carbon fiber in F1, where sheets where riveted onto the aluminium monocoque chassis.  A dry fit of the above thus:

    Brabham BMW BT50 <a href=Brabham BMW BT50 IMG_4555_zps43b879a0" />

    Brabham BMW BT50 <a href=Brabham BMW BT50 IMG_4556_zpsdfbbd703" />

    Brabham BMW BT50 <a href=Brabham BMW BT50 IMG_4559_zps9526854c" />

    Brabham BMW BT50 <a href=Brabham BMW BT50 IMG_4560_zpse145fed8" />

    Brabham BMW BT50 <a href=Brabham BMW BT50 IMG_4563_zpsb16d9e65" />

    Brabham BMW BT50 <a href=Brabham BMW BT50 IMG_4565_zps09ce2bfa" />

    Next stop,  fitting of the engine and addition of the complex turbo manifolds and wastegate plus the required cabling.
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    Post  bcauchi on Tue Aug 19, 2014 7:57 am

    Fantastic work. looking great.
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    Post  jojjemannen on Tue Aug 19, 2014 8:39 am

    Looking really good! Keep up the great work!

    /Tiny
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    Post  el manolo on Sat Aug 30, 2014 3:19 pm

    Lussu!
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    Post  5Nige on Tue Sep 02, 2014 10:42 pm

    More progress, actually nearing completion now.  I but first must apologise for the crappy pics.  Will do a proper photo shoot when the car is 100% completed.

    Engine bay has been improved on all fronts including, amongst others, electronics, turbo area (still to be completed), hoses connected with turbo are heat shield wrapped (shrink tube wrapped in cigarette foil), metal heat shield to the pump atop the turbo.  The exhaust assembly was a nightmare and took me more than an hour of patience, and the occasional swear word, to assemble together.  Various cables, pipes, etc , were also added.

    Brabham BMW BT50 <a href=Brabham BMW BT50 IMG_4572_zpsee6e7419" />

    Brabham BMW BT50 <a href=Brabham BMW BT50 IMG_4581_zps510a4a00" />

    Brabham BMW BT50 <a href=Brabham BMW BT50 IMG_4578_zps562c0f22" />

    Brabham BMW BT50 <a href=Brabham BMW BT50 IMG_4574_zpsbc4a5e93" />

    Brabham BMW BT50 <a href=Brabham BMW BT50 IMG_4573_zpse7e16686" />

    Brabham BMW BT50 <a href=Brabham BMW BT50 IMG_4576_zps70099316" />

    Brabham BMW BT50 <a href=Brabham BMW BT50 IMG_4582_zps875f1ef3" />

    Brabham BMW BT50 <a href=Brabham BMW BT50 IMG_4585_zps0a42f0f8" />

    Brabham BMW BT50 <a href=Brabham BMW BT50 IMG_4586_zpsefb4a316" />

    Brabham BMW BT50 <a href=Brabham BMW BT50 IMG_4589_zps3833ed95" />

    Brabham BMW BT50 <a href=Brabham BMW BT50 IMG_4590_zps2e8e9fd1" />


    Finally a dry fit with the tyres on was done, and yess the car sat ok on the assembled wheels.

    Brabham BMW BT50 <a href=Brabham BMW BT50 IMG_4593_zpsbe073245" />

    Brabham BMW BT50 <a href=Brabham BMW BT50 IMG_4594_zpsaddc8db7" />

    Brabham BMW BT50 <a href=Brabham BMW BT50 IMG_4595_zps01f89a40" />

    Brabham BMW BT50 <a href=Brabham BMW BT50 IMG_4596_zpsf2dfd3bb" />

    Brabham BMW BT50 <a href=Brabham BMW BT50 IMG_4598_zps6b4591bd" />


    The final lap includes the front wing assembly, brake lines, gear shaft running front the gear shift knob (outside cockpit) down to the gearbox, and the turbo air intake which is to be scratch built.  I also have to scratch the rubbish shields/netting on the side pods inside.  Finally the remaining body parts are to be thoroughly polished, front and rear wings put in place and voila', another model ready.  Target date is 'Victory Day', 08 September - yes my hands are itching to commence on the next one.
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    Post  Ray on Thu Sep 04, 2014 8:10 pm

    Looking great as usual Alan Twisted Evil
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    Post  Wayne on Thu Sep 04, 2014 8:19 pm

    Nice job Alan,

    I just love these 80's F1 cars. My favorite is obviously the McLaren MP4/4 ... oooh the memories! I love you


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    Post  bcauchi on Fri Sep 05, 2014 5:43 am

    fantastic clean detailing, well done.
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    Post  5Nige on Mon Sep 08, 2014 6:06 pm

    More updates, not much as I planned ...  summer lethargy perhaps.  Anyway, the turbo area is now complete with scratch building of hoses and the air intake, together with the screened intake.  Finally the beast is also all 4s...wheels only eh.

    Brabham BMW BT50 <a href=Brabham BMW BT50 IMG_4599_zps5eb4b419" />

    Brabham BMW BT50 <a href=Brabham BMW BT50 IMG_4600_zps2702509e" />

    Brabham BMW BT50 <a href=Brabham BMW BT50 IMG_4602_zps63cb56ab" />

    Brabham BMW BT50 <a href=Brabham BMW BT50 IMG_4603_zps6419be66" />

    Brabham BMW BT50 <a href=Brabham BMW BT50 IMG_4604_zps867b10a4" />

    Brabham BMW BT50 <a href=Brabham BMW BT50 IMG_4605_zpse050ff18" />

    Brabham BMW BT50 <a href=Brabham BMW BT50 IMG_4606_zpsb5408bb4" />

    Brabham BMW BT50 <a href=Brabham BMW BT50 IMG_4609_zpsdf423cc7" />

    Brabham BMW BT50 <a href=Brabham BMW BT50 IMG_4610_zps7f8afd1a" />

    Brabham BMW BT50 <a href=Brabham BMW BT50 IMG_4611_zps03912705" />

    Brabham BMW BT50 <a href=Brabham BMW BT50 IMG_4612_zps5144b8b0" />

    Brabham BMW BT50 <a href=Brabham BMW BT50 IMG_4615_zps0db01adc" />


    Next to tackle is the front wing, where the thick plastic mid part is to be replaced by an alu tube, with brackets fixed on the nose cone to take the wing.  Thereafter polishing of the body parts and hopefully another build ready.

    Brabham BMW BT50 <a href=Brabham BMW BT50 IMG_4617_zps10a41e29" />
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    Post  Ray on Mon Sep 08, 2014 6:39 pm

    Lovely Jubbly bounce

    Great memories as Wayne said cheers
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    Post  KarlJDM on Fri Sep 12, 2014 3:10 pm

    Looking great there Alan, well done Smile
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    Post  bcauchi on Sat Sep 13, 2014 8:14 am

    its really coming together now. Lovely detail and painting work

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