Featured Weslake Triton

Discussion in 'Builds & Projects' started by Roy Napier, Jan 17, 2022.

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  1. Roy Napier

    Roy Napier Well-Known Member

    Oct 22, 2021
    102
    78
    Montrose, Scotland
    Finally got around to posting one or two pics of my pet project....my interpretation of what I feel a Triton should be, a sort of combination of old style and new. The dry build is going well and am enjoying fabricating/machining all my own parts for it....exhaust is nearly complete now. Lots of mini jobs yet to get through yet though. Soon be time to strip it down for paint and polish!

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  2. Hubaxe

    Hubaxe Good moaning! aka Mr Wordsalad :)
    Subscriber

    Mar 25, 2020
    1,660
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    Aix Les bains - French Alps
    Magnificent! Looks already efficient.
     
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  3. darkman

    darkman Crème de la Crème

    Oct 26, 2015
    6,844
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    Now that's what you call an engine :)
     
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  4. Iron

    Iron First Class Member

    Dec 29, 2021
    1,914
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    Bob Ross Studios
    Oh wow, fantastic. Rounds of applause from me. :)
     
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  5. MARKYMARKTHREE

    MARKYMARKTHREE Senior Member

    Feb 11, 2020
    464
    213
    SOMERSET
    Absolutely stunning mate.
    When it comes to cars, the right wheels make it.
    When it comes to a bike it is the exhaust for me that make a bike and you have nailed it there. :heart:
     
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  6. speedrattle

    speedrattle Senior Member

    Feb 19, 2021
    618
    143
    appalachia usa
    #6 speedrattle, Jan 19, 2022
    Last edited: Jan 19, 2022
    havent seen a wrslake in forever.

    that looks very well thought out.

    nice brakes too. are they old or the new repros?
     
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  7. speedrattle

    speedrattle Senior Member

    Feb 19, 2021
    618
    143
    appalachia usa
    #7 speedrattle, Jan 19, 2022
    Last edited: Jan 19, 2022
    why dellortos? you have lots of options.

    and tell us about your gearbox.

    and the maxton forks.

    and your favourite colour
     
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  8. Roy Napier

    Roy Napier Well-Known Member

    Oct 22, 2021
    102
    78
    Montrose, Scotland
    They are brand new Fontanas I imported from Italy. Needed a lot of machining done...250mm 4LS front and 210 2LS on the rear
     
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  9. Roy Napier

    Roy Napier Well-Known Member

    Oct 22, 2021
    102
    78
    Montrose, Scotland
    Speedrattle..why dellortos?...I have used these and Weber carbs on bikes and cars all my life and have found them to be exceptional. These ones are 38mm PHF.
    The gearbox was imported from TTI in New Zealand, is 5 spd race cluster with altered 1st and 2nd ratios to ease use on a road bike
    I have also used Maxton suspension for donkeys now and I decided to go the whols hog with these billet Cerianoi copies from Maxton with EN Magnesium Yokes
    Doint really have a favorite colour..perhaps wine red but this bike will be in the raw bar the frame which will be black.
     
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  10. Roy Napier

    Roy Napier Well-Known Member

    Oct 22, 2021
    102
    78
    Montrose, Scotland
    Thanks, your comments much appreciated. It was the best lay out I could make with the tuned lengths recommended by Dave Nourish (RIP)
     
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  11. speedrattle

    speedrattle Senior Member

    Feb 19, 2021
    618
    143
    appalachia usa
    i didnt know fontana still offered the 250 and 210 brakes. you can buy repros now which is all i thought were available. what did you have to change about them?

    obviously a featherbed. what year? what did you change?

    why is your shop so clean?
     
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  12. capt

    capt Elite Member

    May 8, 2016
    2,880
    750
    western Australia
    U
    Tuned length exhaust only way to go on a performance motor ! Makes carburetor tuning easier/harder , easier to get good performance motor , harder to get absolute best performance ! As the difference between can be a miniscule difference in the jet sizing.
    I did engine rebuilding , International Harvester Truck engines when I was in the Oz army, the test bench ha tuned length exhaust , three piece for six cylinder engine. We could get ten to twenty more ponies out of an engine than on std exhaust manifold ! I used a a Stromberg carburetor with a tapered needle adjustable main jet ! Oh the fun webhad on major large rebored engines :p
    Std motor 160 ish HP , 60/70 thou oversize with our exhaust manifolds 220 ish :);)
     
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  13. Baza

    Baza Well-Known Member

    Jul 25, 2020
    389
    63
    UK
    For me it’s a nice double sided TLS front brake like a Fontan Relica which alone will set you back over 2 grand.
     
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  14. Baza

    Baza Well-Known Member

    Jul 25, 2020
    389
    63
    UK
    A real cracker Roy. Is that a slim line frame I see. Being a short arse I could only tippy toe the wide line ones. :joy:

    Who did the tank for you?
     
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  15. Roy Napier

    Roy Napier Well-Known Member

    Oct 22, 2021
    102
    78
    Montrose, Scotland
    The brakes were bought through DiscoVolante. They are 100% magnesium brake but the coating is not good due to not being able to use Zinc Chromate on them anymore due to treehuggers. I will be having them cerakoted to improve the finish before wheel fitting. The rear brake sprocket side required a lot of time spent truing and trimming correct dimensions for my use.... plus I drilled and tapped for drive studs etc. I machined a sprocket blank which suit my fitment and a cush drive (of sorts) was also made up and installed.

    The frame is a 1958 Manx. I have stiffened the headstock by adding a sheet fillet on the underside and a rearward tension brace which terminates to a frame crossbrace added just behind the rear rocket cover. The forks are now the weak link for bending moments though.

    Oh my shop can get messy but I like to clean daily when I can. The tiled surface is a great help....when its clean I have a chance of finding everything again tomorrow...at my age I cant rely on memory alone! Im also a stickler for cleanliness.



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  16. Roy Napier

    Roy Napier Well-Known Member

    Oct 22, 2021
    102
    78
    Montrose, Scotland
    Hi Baza,

    The frame is a Wideline Manx...Ive got a 32" inside leg so Im OK with it.

    The tank was made by Roy Phelps at TAB. Does a very nice job.
     
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  17. Baza

    Baza Well-Known Member

    Jul 25, 2020
    389
    63
    UK
    i have been in touch with Roy in the past, extremely helpful guy.
     
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  18. Roy Napier

    Roy Napier Well-Known Member

    Oct 22, 2021
    102
    78
    Montrose, Scotland
    Progress made these last couple of days with the belt guard and timing quadrant now machined and in place...just need to find the time to polish it all now....not my favourite job!:worried:

    First pic is rough out, the second is after milling (not cnc), third/fourth is showing final fit with another ignition timing quadrant added on the front/inside for good measure. Timing will be easier to check now rather than removing the Ignition rotor cover each time....it will then be a simple case of dialling in any ignition timing adjustment into the ECU via laptop.

    Also shown is my cable arrangement for moving the rear brake pedal to the "correct" side. To be fair I wasnt all that bothered about which side it was on.....I reckon this is the quickest remedy as it saves making a gearshift adapter for the nearside, with the attendant slop this usually creates.

    More as and when.........................

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  19. Pegscraper

    Pegscraper Elite Member

    Jun 12, 2020
    2,011
    800
    Yorkshire
    Me neither. Harry Weslake is somewhat of a legend in motor racing circles in everything from F1 cars to bikes but for me his name always brings one bike to mind and that's John Hobb's Hobbit dragbike with twin supercharged Weslake engines. A fearsome sight to behold at Santapod in the 70's/80's.

    https://www.flickr.com/photos/dave_kepcove/6177936239
     
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  20. Octoberon

    Octoberon Crème de la Crème
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    Jul 2, 2020
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    'The Hobbit'? More like Smaug!
     
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