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Showroom project starts!

Discussion in 'DIY Motion Simulator Projects' started by K1FF, Dec 21, 2013.

  1. K1FF

    K1FF New Member

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    Hi all Just started yesterday on the rig :) its just early shots atm and some pics of the system whats going on to it :)

    [​IMG]

    the old rig

    [​IMG]

    the system

    [​IMG]

    [​IMG]

    [​IMG]

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    [​IMG]

    [​IMG]

    as I said I only started yesterday !!:D
    • Like Like x 4
  2. eaorobbie

    eaorobbie Well-Known Member SimTools Developer Gold Contributor

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    ANy progress is good news mate, Build away and enjoy.:thumbs
  3. bsft

    bsft

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    shoulder mount seat mover with big worm gears will move 130kg, i tested a mate on it earlier, no probs whatsoever
  4. K1FF

    K1FF New Member

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    Gday eaorobbie & bsft !! I am still trying to learn the lingo/terms of the bits here LOL but I am looking at this guys set up (Donald Landreville) but wit the added tree monitor set upon the rig as well so i will have to work out the balancing point
  5. bsft

    bsft

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    perhaps dont have screens moving with rig, they tend to fail
  6. eaorobbie

    eaorobbie Well-Known Member SimTools Developer Gold Contributor

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    Sorry I dont know this system, is there a link to his , thanks.
    Mounting 3 monitors and getting it all correct is fairly tricky, one little trick is to lessen the roll and sway in your Axis Assignments as the extra mass above the c.g of the rig can cause a major wallow action or could stress the body of the scn5 too much, after some use most have found damage to the bodys of the scn5. The kit is designed specifically for a seat mover application.
  7. K1FF

    K1FF New Member

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    gday eaorobbie !! here is his video he is on a Sim sight but I cant remember which one
    • Like Like x 1
  8. eaorobbie

    eaorobbie Well-Known Member SimTools Developer Gold Contributor

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    Ok so he finished it, lol needs to learn to profile thou, its uses the same concept , as in a tbar on the back of the seat, so yes to your other question, it is setup like the seat mover I build and has the wheels and pedals connected to the sim only , I can not recommend connecting the monitors too, to me will stress the scn5s too much and could fail quickly. Sorry.
  9. K1FF

    K1FF New Member

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    Cheers for that !! So they way he has made it would be OK but not with the monitors on it even if I bring the seat back a bit to compensate for the weight the monitors are under 2kg each
  10. eaorobbie

    eaorobbie Well-Known Member SimTools Developer Gold Contributor

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    My Motion Simulator:
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    Balance is the key yes, as an object get further away from the c.p point its mass that applies to the fulcum is a lot greater than its overall mass.
    So try and be careful, make sure its on the balance point on both axis, meaning its balanced front to back as well as left to right, you might just have to suck and see.
    SCN6 would have been better choice as they will hold twice the weight, but in turn can be a little slower, but if you get it all spot on you should see between 150mm/200mm/s out of the actuator which will result in a fair movement, not as harsh as it could be as a seat mover but still fairly impressive.

    Balance is our key, gravity is our enemy. Take your time to get it right, be worth it in the long run.
  11. K1FF

    K1FF New Member

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    Latest update :)

    [​IMG]

    [​IMG]

    [​IMG]

    [​IMG]

    [​IMG]

    [​IMG]

    [​IMG]

    [​IMG]

    [​IMG]
    • Like Like x 2
  12. eaorobbie

    eaorobbie Well-Known Member SimTools Developer Gold Contributor

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    Looking heavy, poor scn5's gunna have to work hard.
  13. bsft

    bsft

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    *warranty void*
  14. K1FF

    K1FF New Member

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    Gday eaorobbie and bsft !!no I am not going to fit the monitors to it (they are just the new monitors) and the seat is very light and it will all be balanced :)
    • Like Like x 1
  15. RaceRay

    RaceRay Administrator Staff Member SimAxe Beta Tester

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    Your are doing fast progress!

    When its well balanced it will work fine..., even with SCN5.
    I did a similar design with 25 x 25 mm square metal, which have been very heavy at the total weight but with a small seat platform and short lever the scn moved it very quick.

    Is it not a regular SCN 2 DOF design? I wonder why the T-Metal piece is soldered to the base platform and not to the moving upper one to a later timepoint.
  16. K1FF

    K1FF New Member

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    Hi RaceRay!! if you go up a bit to the vid that is what I am going to make . that what you see on the bench is what moves as in the vid
    • Like Like x 1
  17. RaceRay

    RaceRay Administrator Staff Member SimAxe Beta Tester

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    Ah ok, now i see.
    I prefer to have the pedals fixed on the base plate and not moving, (thats why i were confused to see the pedals mounted to the motion platform.)
    Gives me a better stimulation of muscle contractions in back, bottom and legs for more realistic immersions of gforces, but thats a personal question...i can only suggest: you should try out both systems.
  18. bsft

    bsft

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    Only my thoughts, please add and or correct me on this.
    Comparisons between simulators. Other people will of course differ with this comparison, so please add your thoughts.

    First things to consider, angle of actual swing of the frames and the profile written. Also, its a brain trick.
    If you want a big swinging frame, go hard, the biggest swing I have had is 14 deg total, but others have frames up to 25 deg. And thats for race, not just flight.
    Both frames use same motors and JRK control boards

    Seat mover with shoulder mounted motors.
    Generally ,a seat mover can give more precise motion detail as it has less over all weight to move than a full frame. However, too much movement can make it hard to hang onto the wheel or mash the juice pedal. And yes, the wheel and pedals are stationary, so proper placement to allow you being pulled away and pushed around has to be taken into consideration. But as said, it does give you the feeling of being moved around in a seat in a vehicle, even with a race seat to hold you in more. You tend to shift your body around to compensate for movement and also what your brain thinks you are moving like. You can still feel pitch and roll of track, but maybe a bit less as legs are still.
    Some SCN seat movers on videos have HEAPS of throw. It might look like fun, but can be too much and eventually make it tiring to drive the game.
    As mine is DIY and has 70mm travel of motor lever and at 600mm from the pivot , total angle is 6.5 degrees. Not much, but then again, too much may make it too hard. Other people will of course differ with this comparison.
    I had a seat mover of 12.5 degrees at one stage, so with a good profile, it was nice, but a harsh profile and WHOA! Fun but hard to hang on.

    Full frame with motors mounted near feet
    Full frames allow you , wheel and pedals to move with you. You still get sensation of being pulled, pushed around from pedals and wheels. Obviously not as much as a seat mover, but still there. You tend to feel a bit more of the motion of roll and pitch , when your whole body is getting moved around, I find.
    Seat mover can lose this a bit, but not really much.
    Motors mounted at feet on the frame in question, may take away some of the finer vibration and motion that shoulder mount gives, but then again, shoulder mounting motors would return that finer detail due to higher leveage point. It may lessen a bit due to the fact that a full frame requires a bit more power to move. But hey, just change the profile and increase the motor power a bit more.
    Although, I must say, once again, a good profile can give the same sensation in motion, be it from a different spot. Feet or knees instead of shoulders.
    Full frame is about 8 deg total swing. May not sound like much considering 4 deg from centre, but again, throw a decent profile in it and you feel like you are moving a lot more.

    Summary
    After a while I get the same sort of feeling from both my frames, even though they are different in design.
    In your choice of motion sim build, It will come down to watching videos of other frames, opportunity to play on sims when they are around to do so. Taking a look at pics, seeing what takes your fancy. Heck, even a seat mover can be converted to full frame later, add the extra bit, move pivot, and off you go. 2 seat movers I have sold, the owners have since converted them to full frames, their choice of course. They enjoy both frames they tell me.
    I have only played on a $40,000 VRX dbox with 3 screens, impressive rig, but motion was lousy I though. Although others whom have such rigs wind it up and get great results. Mind you, I dont have that sort of money to get one.
    I have been through 10 different 2DOF designs, starting with joyrider design with about 9-10 deg total swing with screen on it. Good fun, but I found it a bit difficult to focus on a screen moving with you. But thats just me.
    Then I moved onto development of more compact designs, with motors under rear, at knees, out the side, shoulder mount, at feet. Still 2DOF. Screen static.
    So thats how I go here. Each frame design is a new learn to drive experience I find. Nothing makes me go faster I think. I am slow regardless.
    I may have missed something and please add your thoughts as well. Its always good to compare notes.
    • Like Like x 1
    • Agree Agree x 1
  19. RaceRay

    RaceRay Administrator Staff Member SimAxe Beta Tester

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    • Agree Agree x 1
  20. bsft

    bsft

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    yep, no worries, please use it as yo wish