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WD Forte |
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WD Forte World Chat Champion
Joined: 17 Jun 2010 Karma :
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Posted: 01:28 - 21 Feb 2020 Post subject: Playing with sharp things -making gaskets |
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Reassembling my spare engine and see new gaskets could cost me in
the region of £70
bollards to that
£13.95 for a 2.5M x 50 Cm roll of 0.8mm Flexoid and a few pound shop knives
plus found items and I can make my own up with lots left for other jobs.
This rear cover is the single biggest gasket to make
https://imgur.com/5NcuO0p.jpg
I'd already cut two peices of flexoid off the roll when it arrived
and kept them sandwiched between two pieces of board to flatten them
I start by laying the paper over the cover making sure to overlap all edges,
then using a long tapered blade knife, cut first holes and fit wall plugs to hold it inplace
https://imgur.com/998zKIt.jpg
I find a sawing twisting action helps cut the holes cleanly
Keeping the paper as flat as possible I work my way around using whatever
fits snugly in the holes to hold the paper securely.
https://imgur.com/CXo60AC.jpg
After all holes are cut and plugged I cut a cross in the paper and use scissors to cut the majority of
the centre out before cutting the inside profiles.
I dont try to cut them in one continuous cut, I do them in sections
and may hold paper to the cover to stop any dragging where it gets thin.
https://imgur.com/yen78wf.jpg
Mostly done inside just need to trim a few parts
Pound shop knives dont keep a good edge long doing this and they can start to drag when
losing their edge so changing blades may be neccessary.
https://imgur.com/dCWDgmO.jpg
Nearly there, probably give it a wee trim and snip here and there before final fit.
I trimmed the outside close to the edge with scissors but wont try to do the
final outer profile trim until the cover is bolted to the block
that's about £30 saved already and its kind of enjoyable to do.
https://imgur.com/t94Yoc4.jpg ____________________ bikers smell of wee |
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stinkwheel |
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stinkwheel Bovine Proctologist
Joined: 12 Jul 2004 Karma :
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Posted: 02:48 - 21 Feb 2020 Post subject: |
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I oil the gasket face, "stamp" it onto the paper, draw round it with a pencil then cut it out with paper shears.
Do the holes with punches hammered against a bit of aluminium sheet (£2.50 off ebay for a punch set). ____________________ “Rule one: Always stick around for one more drink. That's when things happen. That's when you find out everything you want to know.”
I did the 2010 Round Britain Rally on my 350 Bullet. 89 landmarks, 3 months, 9,500 miles. |
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blurredman |
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blurredman World Chat Champion
Joined: 18 Sep 2010 Karma :
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Easy-X |
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Easy-X Super Spammer
Joined: 08 Mar 2019 Karma :
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Posted: 12:54 - 21 Feb 2020 Post subject: |
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Nice use of rawlplugs for alignment
<edit> fixed one of my many inadequacies ____________________ Husqvarna Vitpilen 401, Yamaha XSR700, Honda Rebel, Yamaha DT175, Suzuki SV650 (loan) Fazer 600, Keeway Superlight 125, 50cc turd scooter
Last edited by Easy-X on 17:51 - 21 Feb 2020; edited 1 time in total |
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Riejufixing |
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Riejufixing World Chat Champion
Joined: 24 Jun 2018 Karma :
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Sister Sledge |
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Sister Sledge World Chat Champion
Joined: 17 Aug 2018 Karma :
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WD Forte |
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WD Forte World Chat Champion
Joined: 17 Jun 2010 Karma :
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Posted: 22:40 - 21 Feb 2020 Post subject: |
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Did the transmission cover earlier and found a clutch cover one
I cut out last year on the machine after scanning it in and creating
a dxf file for it.
Not sure if ironing would help flatten it any quicker or better
but a day or two between sheets of hardboard after coming off the roll
did the trick.
For small-ish gaskets you may not have to bother too much, I just find it helps when making the 2 larger ones.
https://imgur.com/cJplT77.jpg
https://imgur.com/EOMHVMo.jpg ____________________ bikers smell of wee |
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Old Thread Alert!
The last post was made 4 years, 67 days ago. Instead of replying here, would creating a new thread be more useful? |
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