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Thread: Tarmac Rally Stratos Build begins

  1. #111
    SEC Member ducatiman's Avatar
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    Re: Tarmac Rally Stratos Build begins

    I have had the same problem as well on the alternator.................I would like to have gone for 240 Amps after doing some initial calculations of possible loads on my build but I am struggling to find a high output small compact unit. Therefore I had to compromise and go for a 175 Amp. The unit that I purchased is below as it will fit in the restricted space both in length and diameter:

    WOSP LMA300HO - Universal Race Alternator

    Just drawing up required new mounting brackets................
    Hawk HF3000 - Engine: Alfa GTV 3.0L 24v V6, Dry Sump - Gearbox: Sadev 6 Speed Sequential ST90-14 - Suspension: Nitron 3 Way Adjustable - Wheels: Hawk Compomotive - Tyres: Pirelli P7 Corsa

  2. #112
    SEC Member Stratos Fear's Avatar
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    Re: Tarmac Rally Stratos Build begins

    Neat solution for mounting the alternator - but maybe a daft question - Why didnt you attach the alternator protective cover to the chassis instead of the alternator/engine block ? Surely that would reduce the risk of shattering the alternator end housing?

  3. #113
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    Re: Tarmac Rally Stratos Build begins

    that is certainly a lot of Amps! good find, not exactly the cheapest unit in the world though!

    Why didn't you attach the alternator protective cover to the chassis instead of the alternator/engine block
    Good Question, I did look at that option for a long time. Problem I was seeing is that if i mounted it to the chassis, I've got to allow for movement between the cover and the belt drive, so I couldn't have a close fitting cover, so to get the same protection I'd have ended up with a massive cover, and then i was running into also sorts of clearance issues with the fuel tank, exhaust and strut.
    As you say there is always the risk of shattering the alt. housing, but the cover is very light, and the lip buts up against the alternator and block, so its not bouncing around on the studs, I think that risk is fairly low.
    Last edited by ByrneEngineering; 03-01-2021 at 20:44.

  4. #114
    SEC Member LPH_UK's Avatar
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    Re: Tarmac Rally Stratos Build begins

    Nice work yet again.

    Is it me or does your band saw seem to move around a lot?!

  5. #115
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    Re: Tarmac Rally Stratos Build begins

    Yep, that overworked little bandsaw is not the most stable thing in the world, it's on wheels, which dosn't 't help, I've got a proper vertical bandsaw sitting on my trailer, but it's massive and I need some help getting it into the workshop

  6. #116
    SEC Member LPH_UK's Avatar
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    Re: Tarmac Rally Stratos Build begins

    Wheels would explain it somewhat!

    Jealous of your workshop though. I have a small pillar drill and a bench vice and that's it apart from the usual hand tools. Oh I do have a small compressor too.....

  7. #117
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    Re: Tarmac Rally Stratos Build begins

    Next Video, I have a look at a wheel bearing issue

    https://youtu.be/Z7rp34zyhQc

  8. #118
    SEC Member LOFT6.6's Avatar
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    Re: Tarmac Rally Stratos Build begins

    Col, thats perseverance for you. I would have needed a slab of safety beers before considering that task and still wouldn't have had the skills to complete it.....Well done!
    Cheers Ade

  9. #119
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    Re: Tarmac Rally Stratos Build begins

    While you're beefing things up at the front, the chassis mount for the tie bar needs reinforcing on early Spyder chassis. Of course if you are using an r/j then you have probably sidestepped this problem already. Keep up the good work!

  10. #120
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    Re: Tarmac Rally Stratos Build begins

    Ade, if you count the safty beers i drank as i flew into a furious rage after i discovered the issue, that estimation would be fairly accurate...

    While you're beefing things up at the front, the chassis mount for the tie bar needs reinforcing on early Spyder chassis. Of course if you are using an r/j then you have probably sidestepped this problem already
    Are you talking about the front lower "caster" arm? Yea I've already made significant changes to that, No rose joint as i'm trying to keep at least one end of every arm with some sort of bushing as I've had serious issues with fatigue on totally rose jointed rally car suspension before. Anyway, the body mount has been modified for a bushing and the whole area has been beefed up a bit, thanks for the heads up though

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