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Ideas for replacement windscreen's and Headlights


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#1 OFFLINE   Dave7872

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Posted 09 January 2017 - 11:36 AM

Hope one of you master builders can come to the rescue with an idea.

A friend from Germany has converted the 1/18 AUTOart Gulf Porsche 917 L from the #17 to the #18.

I only paid £30 for the model, But the build is costing me close to 160 Euro, Which I dont mind, As I really want it doing.

The model came with a one inch crack in the front window. But when removed it split in two.

Up to now he has tried all other 917 front windows, UH, Eagle race, Norev and even AUTOart. But with this being a long tail. The front windscreen is bigger than those from the other manufacturers.

He has tried something called Lexan,Which is a thin clear plastic,  But has informed me that is is very difficult to shape.

Here is what the model and screen currently looks like. Sad to see I know.

Posted Image


Obviously I dont want to have to buy another long tail just for a windscreen, Because as most of you know, Good ones cost a small fortune these days

So I am open to ideas.

Please help me.

Thanks

Dave

Edited by Dave7872, 19 March 2017 - 07:56 AM.

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#2 OFFLINE   ibj40

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Posted 09 January 2017 - 01:05 PM

You can shape Lexan, but it needs to be heated and formed simultaneously.  We built a windscreen for this car out of Lexan.

Posted Image

What we did was get a Lexan sheet of sufficient size, and then laid it over an original glass windshield.  Then with a couple of hair dryers, we heated it until it started to relax, and formed it around the original, using clamps to hold the shape as we moved from the middle of the top across to each side, and then down to the bottom.  Needless to say, for a full-sized windshield, it took quite a while.  We had a minimum thickness based on the sanctioning body's rules, which made it a little more challenging.

For yours, I would find Lexan that is as thin at the original.  I would glue the original together to use as a buck, and then maybe reinforce the back of it with some clay or plaster of paris.  For a windshield this small, I can't conceive of it taking a long time to form it up.  Make the piece oversized, and then trim to fit.  Might be a trial and error process, so get enough to make at least two.

Good Luck!
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#3 OFFLINE   mairandeddy

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Posted 09 January 2017 - 01:57 PM

You could try that clear vacuum forming plastic sheet Dave....I think it's called PETG or something similar. :dunno:  You can buy it cheaply in small sheets A6, A4 etc... and I think can be softened into shape using a heat gun/ possibly even hairdryer???

Perhaps you could stick the 2 parts of your broken screen together and then use it as a former... :twocents:

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#4 OFFLINE   Dave7872

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Posted 09 January 2017 - 02:08 PM

Thanks Jim and Ed, I'll have a look for some now.

I have sent him the links to that PETG stuff. He did try LEXAN, But said it kept breaking. Not sure how much heat he was using though.

Edited by Dave7872, 09 January 2017 - 02:35 PM.

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#5 OFFLINE   Dave7872

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Posted 09 January 2017 - 02:44 PM

@ Jim... I copied and pasted your message that you posted here and sent it to him. Brilliant idea my friend. Lets see what he says.

ps.... Awesome work re making that wind shield  :eusa_clap: :eusa_clap: :eusa_clap: :eusa_clap: :10:

Edited by Dave7872, 09 January 2017 - 02:45 PM.

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#6 OFFLINE   silverstar189

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Posted 09 January 2017 - 03:42 PM

I'd second vac form. I think it's how most modellers on f1m do things.

#7 OFFLINE   mairandeddy

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Posted 09 January 2017 - 04:36 PM

Just a thought Dave - no doubt you've already explored these avenues - but just in case, have you tried our very own AUTOartSpares.....or even Steffi (or her latest manifestation)?? :dunno:

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#8 OFFLINE   Dave7872

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Posted 09 January 2017 - 04:56 PM

I sent a message to her replacement Ed, His names Dan, But that was weeks ago, Our Steffi would of let me know by now haha.

I'll mention the Vacuum forming to him. Thanks again.

He is not the quickest to reply to emails though. But its rude to rush someone who is helping you out.
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#9 OFFLINE   lateapex

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Posted 09 January 2017 - 05:16 PM

You might want to talk to this guy, Dave. He made a new window for the Lotus XV from the the clear plastic of a Autoart box:

http://www.diecastxc...p/page__st__225

#10 OFFLINE   Dave7872

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Posted 09 January 2017 - 05:48 PM

View Postlateapex, on 09 January 2017 - 05:16 PM, said:

You might want to talk to this guy, Dave. He made a new window for the Lotus XV from the the clear plastic of a Autoart box:

http://www.diecastxc...p/page__st__225
Thank you My secret agent friend haha.  I have sent him a message to drop by this thread.

:occasion14:
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#11 OFFLINE   spikyone

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Posted 10 January 2017 - 04:35 AM

View Postibj40, on 09 January 2017 - 01:05 PM, said:


For yours, I would find Lexan that is as thin at the original.  I would glue the original together to use as a buck, and then maybe reinforce the back of it with some clay or plaster of paris.  For a windshield this small, I can't conceive of it taking a long time to form it up.  Make the piece oversized, and then trim to fit.  Might be a trial and error process, so get enough to make at least two.

Rather than use the original broken screen as a buck, I would suggest gluing the original screen together and then making a mould of it.  It will be difficult to get the original back together perfectly smooth, no matter how nice it looks, so using it as a buck could leave you with some imperfections on the new screen.  Reflections, on a shiny clear piece, will really emphasise any flaws.  If you create a mould, which will be easier to handle, you can then smooth out any artefacts from the crack, and use that mould to form your new screen.

Also, if you use the original as a buck, you will end up with a screen that is slightly bigger or smaller than the original, depending on whether you make it from the inside or outside of the original screen so it may need some reworking to fit properly.  By making a negative first, your final screen will have exactly the same shape as the original and should fit perfectly.

Posted Image

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#12 OFFLINE   Dave7872

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Posted 10 January 2017 - 05:02 AM

View Postspikyone, on 10 January 2017 - 04:35 AM, said:

View Postibj40, on 09 January 2017 - 01:05 PM, said:

For yours, I would find Lexan that is as thin at the original.  I would glue the original together to use as a buck, and then maybe reinforce the back of it with some clay or plaster of paris.  For a windshield this small, I can't conceive of it taking a long time to form it up.  Make the piece oversized, and then trim to fit.  Might be a trial and error process, so get enough to make at least two.

Rather than use the original broken screen as a buck, I would suggest gluing the original screen together and then making a mould of it.  It will be difficult to get the original back together perfectly smooth, no matter how nice it looks, so using it as a buck could leave you with some imperfections on the new screen.  Reflections, on a shiny clear piece, will really emphasise any flaws.  If you create a mould, which will be easier to handle, you can then smooth out any artefacts from the crack, and use that mould to form your new screen.

Also, if you use the original as a buck, you will end up with a screen that is slightly bigger or smaller than the original, depending on whether you make it from the inside or outside of the original screen so it may need some reworking to fit properly.  By making a negative first, your final screen will have exactly the same shape as the original and should fit perfectly.
Good advice, Thank you. I am passing on as much info to my builder as I can.
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#13 OFFLINE   Dave7872

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Posted 10 January 2017 - 06:56 PM

My friend from Germany got back in touch with me earlier. I mentioned to him that someone from FB said try using a motorcycle helmet visor.

Apparently he says this has worked a treat for him. I have not seen the pictures yet, But will post some up here when I get them.
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#14 OFFLINE   CreepyVanMan

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Posted 10 January 2017 - 09:02 PM

View PostDave7872, on 10 January 2017 - 06:56 PM, said:

My friend from Germany got back in touch with me earlier. I mentioned to him that someone from FB said try using a motorcycle helmet visor.

Apparently he says this has worked a treat for him. I have not seen the pictures yet, But will post some up here when I get them.

That's brilliant. Damn people and their imagination.
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#15 OFFLINE   Dave7872

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Posted 11 January 2017 - 05:33 AM

View PostCreepyVanMan, on 10 January 2017 - 09:02 PM, said:

View PostDave7872, on 10 January 2017 - 06:56 PM, said:

My friend from Germany got back in touch with me earlier. I mentioned to him that someone from FB said try using a motorcycle helmet visor.

Apparently he says this has worked a treat for him. I have not seen the pictures yet, But will post some up here when I get them.

That's brilliant. Damn people and their imagination.
Isn't it, I wish I had the skills to be able to do things like this, Sadly my skills only extend to painting wheels and adding decals  :rolleyes:
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#16 OFFLINE   ibj40

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Posted 12 January 2017 - 12:12 PM

View PostDave7872, on 10 January 2017 - 06:56 PM, said:

My friend from Germany got back in touch with me earlier. I mentioned to him that someone from FB said try using a motorcycle helmet visor.

Apparently he says this has worked a treat for him. I have not seen the pictures yet, But will post some up here when I get them.

So, do you know if he is talking a full visor, or maybe a tear-off that dirt track racers use?

Posted Image
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#17 OFFLINE   Dave7872

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Posted 12 January 2017 - 04:38 PM

Honestly Jim, I have no idea. Since he told me about the visor, He has not been back in touch. I dont want to hassle him too much.
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#18 OFFLINE   Dave7872

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Posted 14 January 2017 - 03:25 PM

Okay, My friend Jurgen got back to me, He has given me these 2 pictures of the windscreen. Looks like he has done a great job.

He has even used silver duct tape around the headlights on the model, Very nice touch that.

Posted Image

Posted Image


Cant wait to get this model back, Not to many people have this #18 version.
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#19 OFFLINE   SFRC

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Posted 18 January 2017 - 09:09 AM

Hi Dave, just saw your message 2day. Looks like the problem has been solved. Great!

Maarten



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#20 OFFLINE   ibj40

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Posted 18 January 2017 - 09:43 AM

So, any update on the materials/methods?

inquiring Minds Want to Know!  :dunno:
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#21 OFFLINE   mairandeddy

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Posted 18 January 2017 - 10:14 AM

^ +2!  :agreed: -  Jurgen :rock:

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#22 OFFLINE   Dave7872

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Posted 23 January 2017 - 05:57 AM

Sorry for the late reply guys. The model is now completed and rebuilt. He used some clear plastic from a motor cycle visor. Said it worked a treat.

This is what it looks like now.

Posted Image

Posted Image




I had to pay him another 15 Euro, But considering how much grief fixing the window gave him, I think thats more than fair.

I have not got it back yet, Because..........................

He will now move on the next project for me.

He is fixing the broken rear wing from this TSM Porsche K3 LeMans winner.

Seller in Germany sent it straight to Jurgen and then he returned me £10 in shipping costs.

Posted Image

Says its not expensive and should be pretty straight forward.

@ Eddy, How do you know Jurgen?, Is it from me mentioning him ?

Edited by Dave7872, 23 January 2017 - 06:00 AM.

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#23 OFFLINE   ironsim

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Posted 23 January 2017 - 08:25 AM

Looks like he did a great job with the windscreen!

#24 OFFLINE   Dave7872

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Posted 23 January 2017 - 11:46 AM

He sure did mate, The 935 which I bought on Thursday night was delivered to him on Saturday, So fingers crossed I could have both back soon.
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#25 OFFLINE   mairandeddy

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Posted 23 January 2017 - 12:47 PM

View PostDave7872, on 23 January 2017 - 05:57 AM, said:

@ Eddy, How do you know Jurgen?, Is it from me mentioning him ?

Yes!  :rolleyes:

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