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brian
Joined: 22 Aug 2011 Posts: 3769 Location: Australia
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Posted: Sun Dec 09, 2012 11:43 am Post subject: Fairing repair |
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Hi chaps,
I've got a question about how to repair a minor defect on my db4 fairing.
The fairing is broken where the front left indicator mounts. The fairing is plastic and i'm not sure how to best repair it. Not sure if i should have it plastic welded, repair it with fibreglass or repair it with the likes of aryldite or another epoxy.
Any ideas?? _________________ '99 DB4 #104, '96 SB6 #1165, '94 DB2 J #652, '99 DB4 #088, '08 VTX1800, '93 ZXR750R M1, '95 ZXR750, '95 ZXR750 Race Bike, '94 CBR400rr NC29 Race Bike, '94 CB250, '49 BSA C10 250, '61 BSA A10 650, '89 ZXR750, '91 Ducati 851 |
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oily
Joined: 05 Apr 2008 Posts: 4788 Location: worcestershire
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Posted: Sun Dec 09, 2012 11:47 am Post subject: |
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Your not going to beat plastic welding but I've had excellent results with plastech, never had a fail yet
stay away from fibreglass on plastic, brilliant on sb6 fairing which is fibreglass _________________ SB6 mk1 (project mega light, big bore)
Sb6 mk2 ( Big Bore)
Sb6 mk2 ( Restored)
Sb6R fighter
Sb6 or Sb7 WANTED |
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Evilchicken0
Joined: 12 May 2010 Posts: 2996 Location: London
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Posted: Sun Dec 09, 2012 12:35 pm Post subject: |
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I'd use plastex every time
Some plastic welding can change the plastic and it gets brittle. _________________ Don't read everything you believe |
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Desmo_Demon
Joined: 19 Sep 2011 Posts: 240 Location: Easley, SC, USA
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Posted: Sun Dec 09, 2012 9:25 pm Post subject: |
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This is a little write-up I did when I welded my wife's '94 GSXR...
http://www.desmodemon.com/plastic_welding/ _________________ Look for my books...
"If I Wrap It Tight Enough"
"The Journals: If I Wrap It Tight Enough"
"Map Junkie: My Motorcycle Journeys" |
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oily
Joined: 05 Apr 2008 Posts: 4788 Location: worcestershire
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Posted: Sun Dec 09, 2012 9:48 pm Post subject: |
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...Nice write up
From experience, if you get the plastic too hot, particularly ABS, it can make the whole thing very brittle. With the thickness of the fairing, shouldn't make much difference but with something quite thin, ....
...Also, a shed load cheaper than farming these jobs out to so called experts _________________ SB6 mk1 (project mega light, big bore)
Sb6 mk2 ( Big Bore)
Sb6 mk2 ( Restored)
Sb6R fighter
Sb6 or Sb7 WANTED |
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brian
Joined: 22 Aug 2011 Posts: 3769 Location: Australia
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Posted: Thu Dec 13, 2012 10:45 pm Post subject: |
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Thanks for the replies fellas. It's now sorted. There was a piece broken right out where the indicator mounts to and a small piece missing. I put what ieces i had back in and filled over with epoxy then strengthened the back with a stianless washer also glued on. Looks plenty strong enough.
I have no idea how it broke. The bike hasn't been dropped since i've had it and doesn't look likes it was dropped previously either. _________________ '99 DB4 #104, '96 SB6 #1165, '94 DB2 J #652, '99 DB4 #088, '08 VTX1800, '93 ZXR750R M1, '95 ZXR750, '95 ZXR750 Race Bike, '94 CBR400rr NC29 Race Bike, '94 CB250, '49 BSA C10 250, '61 BSA A10 650, '89 ZXR750, '91 Ducati 851 |
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oily
Joined: 05 Apr 2008 Posts: 4788 Location: worcestershire
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Posted: Sun Dec 23, 2012 11:21 am Post subject: |
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Vibration?
one of the few things those engines are good at _________________ SB6 mk1 (project mega light, big bore)
Sb6 mk2 ( Big Bore)
Sb6 mk2 ( Restored)
Sb6R fighter
Sb6 or Sb7 WANTED |
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Corona
Joined: 26 Jun 2008 Posts: 118 Location: Norfolk
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Posted: Sun Dec 23, 2012 9:28 pm Post subject: |
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Fur balls giving you trouble again oily? |
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brian
Joined: 22 Aug 2011 Posts: 3769 Location: Australia
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Posted: Sun Dec 23, 2012 10:39 pm Post subject: |
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oily wrote: |
Vibration?
one of the few things those engines are good at |
Oh yeah... 'Good Vibrations" _________________ '99 DB4 #104, '96 SB6 #1165, '94 DB2 J #652, '99 DB4 #088, '08 VTX1800, '93 ZXR750R M1, '95 ZXR750, '95 ZXR750 Race Bike, '94 CBR400rr NC29 Race Bike, '94 CB250, '49 BSA C10 250, '61 BSA A10 650, '89 ZXR750, '91 Ducati 851 |
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oily
Joined: 05 Apr 2008 Posts: 4788 Location: worcestershire
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Posted: Sun Dec 23, 2012 10:47 pm Post subject: |
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...just saying....... _________________ SB6 mk1 (project mega light, big bore)
Sb6 mk2 ( Big Bore)
Sb6 mk2 ( Restored)
Sb6R fighter
Sb6 or Sb7 WANTED |
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brian
Joined: 22 Aug 2011 Posts: 3769 Location: Australia
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Posted: Sun Dec 23, 2012 11:05 pm Post subject: |
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Here ya go oily... a pic to satisfy your insatiable itch. I know you want to see where that good vibration comes from...
[img][/img]
_________________ '99 DB4 #104, '96 SB6 #1165, '94 DB2 J #652, '99 DB4 #088, '08 VTX1800, '93 ZXR750R M1, '95 ZXR750, '95 ZXR750 Race Bike, '94 CBR400rr NC29 Race Bike, '94 CB250, '49 BSA C10 250, '61 BSA A10 650, '89 ZXR750, '91 Ducati 851 |
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oily
Joined: 05 Apr 2008 Posts: 4788 Location: worcestershire
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Posted: Sun Dec 23, 2012 11:10 pm Post subject: |
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Am I looking at anything in particular or just general bad design and engineering oh and rusty exhaust
P.S.
From both an engineering and design point of view, vibration are the destructive enemy (unless your building a vibration machine) _________________ SB6 mk1 (project mega light, big bore)
Sb6 mk2 ( Big Bore)
Sb6 mk2 ( Restored)
Sb6R fighter
Sb6 or Sb7 WANTED |
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brian
Joined: 22 Aug 2011 Posts: 3769 Location: Australia
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Posted: Mon Dec 24, 2012 3:31 am Post subject: |
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That's what i like about you oily... always have something nice to say .
I guess any engine can be designed to run smooth and without vibration, but people (customers) don't always like it. Lets face it, image sells. When Honda started building cruisers they designed the VT1100 with their usual flawless engineering. Even though it was a great bike it wasn't very popular because it was TOO smooth. They worked out that what a lot people liked about that style of bike (namely Harley) was the Vibration and lumpyness of the engine. When Honda engineers were designing the VTX1800 they learnt from their mistake (with the VT1100) and designed an inherent out of balance in the engine to give the vibration and lumpyness. Interesting hey. _________________ '99 DB4 #104, '96 SB6 #1165, '94 DB2 J #652, '99 DB4 #088, '08 VTX1800, '93 ZXR750R M1, '95 ZXR750, '95 ZXR750 Race Bike, '94 CBR400rr NC29 Race Bike, '94 CB250, '49 BSA C10 250, '61 BSA A10 650, '89 ZXR750, '91 Ducati 851 |
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oily
Joined: 05 Apr 2008 Posts: 4788 Location: worcestershire
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Posted: Mon Dec 24, 2012 9:58 am Post subject: |
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brian wrote: |
That's what i like about you oily... always have something nice to say .
I guess any engine can be designed to run smooth and without vibration, but people (customers) don't always like it. Lets face it, image sells. When Honda started building cruisers they designed the VT1100 with their usual flawless engineering. Even though it was a great bike it wasn't very popular because it was TOO smooth. They worked out that what a lot people liked about that style of bike (namely Harley) was the Vibration and lumpyness of the engine. When Honda engineers were designing the VTX1800 they learnt from their mistake (with the VT1100) and designed an inherent out of balance in the engine to give the vibration and lumpyness. Interesting hey. |
Oooo, sounds like you'd prefer me to lie and tell you what a wonderful design an Italian V twin is We won't get into good and bag engine design as most of the info is sales propaganda anyway.
It's Christmas eve today (here)so presume it's Christmas day there? have a good one Brian And all the convicts on the wrong side of the planet and I hope you get everything you want and need _________________ SB6 mk1 (project mega light, big bore)
Sb6 mk2 ( Big Bore)
Sb6 mk2 ( Restored)
Sb6R fighter
Sb6 or Sb7 WANTED |
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brian
Joined: 22 Aug 2011 Posts: 3769 Location: Australia
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Posted: Mon Dec 24, 2012 11:14 am Post subject: |
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No worries oily. Yeah Christmas eve here too. Not much chance that i'll get everything that i 'want' but anything will probably be more than i deserve anyway. Hope you have a nice Christmas oily. All the best. _________________ '99 DB4 #104, '96 SB6 #1165, '94 DB2 J #652, '99 DB4 #088, '08 VTX1800, '93 ZXR750R M1, '95 ZXR750, '95 ZXR750 Race Bike, '94 CBR400rr NC29 Race Bike, '94 CB250, '49 BSA C10 250, '61 BSA A10 650, '89 ZXR750, '91 Ducati 851 |
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