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  1. #21
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    Default Re: Fire fighter build fred

    Quote Originally Posted by Uys View Post
    The first frames are done - now they must be coupled. I did a test today and realized that I cut the cross members 20mm too long - luckily not to short.

    I put the tank on and made an interesting discovery..... the tank does not have an outlet. It does have a recess on the one side, but no outlet. I am not quite sure how to handle this.

    Attachment 563134


    I was also able to test the rest of the layout now and I quite like it.

    Attachment 563135


    Attachment 563136


    Attachment 563137
    Of nog makliker. Koop n watertenk plastiek outlet nipple by ko-op.
    Vrywaring: Niks wat ek hier kwyt raak moet hoegenaamd as feite beskou word nie.

  2. #22
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    Default Re: Fire fighter build fred

    Quote Originally Posted by Reenen View Post
    Of nog makliker. Koop n watertenk plastiek outlet nipple by ko-op.

    Die probleem is - hoe kry ek die nut aan die binnekant in - hy het net n 125mm prop.
    Everything is a hammer.
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  3. #23
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    Default Re: Fire fighter build fred

    Uys - nice, lyk sterk, en maklik "reachable" van die rear van die bakkie af.

    Ek sou so paar plekke (sommer pypies??) vir vuurplakke ook maak, dis simpel goed om te hanteer op 'n kort DC bak, BAIE makliker om hull eregop te vervoer soos fishing rods.

    Jy weet dit ook seker al klaar - check maar daai high pressure nozzle as iets kleins daar vassit is dit 'n pyn.

    Ek het my hoe druk wa destyds verkoop en laedruk gekry, baie meer "robust" vir my gewees, veral as jy vuilerige damwater moet suig om vol te maak.
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  4. #24
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    Default Re: Fire fighter build fred

    Uys wat ek met die woonwa se tenk gedoen het om 'n extra outlet in te sit was om met 'n groter gatsaag 'n gat bo in die tenk te sny, net groot genoeg om die 'nut' in te kry. Daarna het ek met 'n groot soldeerbout (die platte waarmee mens geute in die ou dae gebou het) die gat wat ek gemaak het toe ge-plastic weld. Die gedeelte wat ek uitgesny het vir die outlet het ek gebruik as filler om mee toe te weld.

    Die tenks is dik genoeg dat 'n mens dit soos nuut kan opvul.
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  5. #25
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    Default Re: Fire fighter build fred

    As said the higher the pressure the better for grass, and goes much further,quicker and more efficient.

    One lodge owner here built a 3000l truck fire fighter himself, with very high pressure pump. It makes bang when the nozzle is opened, it literally blow the fire away for 10m m at time. Fastest I saw a veld fire is killed.
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  6. #26
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    Default Fire fighter build fred

    Quote Originally Posted by Uys View Post
    Die probleem is - hoe kry ek die nut aan die binnekant in - hy het net n 125mm prop.
    Hoe ek dit doen:
    Sny gat regte grootte. Word bepaal van jou fitting.
    Die plastiek tenk outlet, het n groot vaste nut binne, met die opskroef nut buit wat gewoontlik reverse draad het.

    Steek nou n stuk 15mm poly pyp van inlet gat bo, deur die gemaakte outlet gat. 4mm blou draad werk ook.

    Glip die plastiek fitting bo-oor poly pyp, en laat dit af gly tot by gat. Wiggle bietjie, en hy glip self deur die gat. Dan draai jy hom met nut van buit vas. Fitting is van so n aard dat hy self “bind” van binnie op rubber seel, so jy sal nie daar sukkel
    Last edited by Reenen; 2020/03/25 at 07:36 AM.
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  8. #27
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    Default Re: Fire fighter build fred

    Quote Originally Posted by Reenen View Post
    Hoe ek dit doen:
    Sny gat regte grootte. Word bepaal van jou fitting.
    Die plastiek tenk outlet, het n groot vaste nut binne, met die opskroef nut buit wat gewoontlik reverse draad het.

    Steek nou n stuk 15mm poly pyp van inlet gat bo, deur die gemaakte outlet gat. 4mm blou draad werk ook.

    Glip die plastiek fitting bo-oor poly pyp, en laat dit af gly tot by gat. Wiggle bietjie, en hy glip self deur die gat. Dan draai jy hom met nut van buit vas. Fitting is van so n aard dat hy self “bind” van binnie op rubber seel, so jy sal nie daar sukkel
    Yip. Basies "Fishing" - ons doen dieselfde ding as jy n long range tank in 'n bakkie insit.
    Everything is a hammer.
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  9. #28
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    Default Re: Fire fighter build fred

    Hi Uys

    Jou water tenk is lekker klein. Die probleem met `n groot water tank sonder "baffels" is dat hulle `n bakkie se ratkas breek, sodra jy jou voet van die versneller afhaal soos jy na die vuur jaag dan kom daai gewig van die water en stoot die bakkie. Of miskien was ek maar net baie ongelukkig. Ek dink mens kry ook `n spons materiaal wat mens in kan insit om te help.

  10. #29
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    Default Re: Fire fighter build fred

    I must admit that lock down is not really affecting me. We are working from home and it we are in the fortunate position to have more than sufficient work to carry on as normal. I really do feel sorry for those who are not in the same position. Basically lock down does not allow me more time to work on this.

    The basic frame is done with minimal distortion and the good news story is that the tank fits. Measure twice, cut once, swear, go back to steel shop, measure twice, cut once.

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    Everything is a hammer.
    Unless it is a screw driver.

    Then it it a chisel.

  11. #30
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    Default Re: Fire fighter build fred

    Last night I started building the front piece - for a tractor 3 point. Some interesting angles to cut and a lesson learnt from it. First angle is 5 degrees -easy. Next is 40 degrees - a normal cut off machine can only cut to 45 degrees - but a plan was made.


    so the lesson learnt is the amount of "drift" a abrasive disk has when cutting at these angles - I made sure the channel was flat on the bed of the cut-off machine - look at the gap.

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    Luckily the gap can easily be welded up with the CO2

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    Don't worry about the pin hole, I did grind it out.

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    So I've built the two arms and then disaster struck!

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    Everything is a hammer.
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    Then it it a chisel.

  12. #31
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    Default Re: Fire fighter build fred

    HI Uys

    I got one of these from Christmas

    https://www.adendorff.co.za/product/...e-steel-blade/

    Not the best quality , but I modified the clamping mechanism - and now this saw is unbelievably accurate, 45 deg miter cuts that fits 100%. Its quick and accurate.

    I did have one little mishap where a lost a tooth or two on the blade but its still going.

    But if you can weld the inaccuracies of an abrasive cut-off saw away then it probably doesn't matter

  13. #32
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    Default Re: Fire fighter build fred

    Quote Originally Posted by Uys View Post
    so the lesson learnt is the amount of "drift" a abrasive disk has when cutting at these angles - I made sure the channel was flat on the bed of the cut-off machine - look at the gap.
    I'm leaning towards investing in a cold cut cut-off machine for this reason....
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  14. #33
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    Default Re: Fire fighter build fred

    Uys. Just something trivial.
    Backpack sprayers work wonders for veld fires and making fire breaks.
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    Uys

  16. #34
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    Default Re: Fire fighter build fred

    Quote Originally Posted by SinWolf View Post
    I'm leaning towards investing in a cold cut cut-off machine for this reason....
    Bandsaw is also good.

  17. #35
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    Default Re: Fire fighter build fred

    Because of the lock-down and not being able to find welding wire, i had to weld like a commoner - with stick (spit)


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    Top link connections are next - just need to drill and weld.

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    Everything is a hammer.
    Unless it is a screw driver.

    Then it it a chisel.

  18. #36
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    Default Re: Fire fighter build fred

    Quote Originally Posted by Tiaan Pot View Post
    HI Uys

    I got one of these from Christmas

    https://www.adendorff.co.za/product/...e-steel-blade/

    Not the best quality , but I modified the clamping mechanism - and now this saw is unbelievably accurate, 45 deg miter cuts that fits 100%. Its quick and accurate.

    I did have one little mishap where a lost a tooth or two on the blade but its still going.

    But if you can weld the inaccuracies of an abrasive cut-off saw away then it probably doesn't matter

    Not a bad price.
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  19. #37
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    Default Re: Fire fighter build fred

    Quote Originally Posted by plunger View Post
    Bandsaw is also good.
    Yip.


    The sad story is that I have this, but the switch and Cap is busted and I just don't get around to fixing it.

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    Everything is a hammer.
    Unless it is a screw driver.

    Then it it a chisel.

  20. #38
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    Default Re: Fire fighter build fred

    I got the same saw

  21. #39
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    Default Re: Fire fighter build fred

    I am basically at the point where I cannot go further without pipes and fittings, filters, valves etc........


    I was able to get 2 x 1/2 rolls of 15kg, 0.9mm wire, but my machine can only handle the 5kg rolls. I want to build a frame to roll it over onto my empty roll when I realized that if I cut the flange off the roll, ti will fit.

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    Everything is a hammer.
    Unless it is a screw driver.

    Then it it a chisel.

  22. #40
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    Default Re: Fire fighter build fred

    All the controls , choke, throttle, fuel valve, etc and the other soft bits are well protected. It seems difficult to access but it isn't.


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    Everything is a hammer.
    Unless it is a screw driver.

    Then it it a chisel.

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