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03-10-2010, 08:48 AM #11
- Join Date
- May 2006
- Location
- london england
- Posts
- 177
Re: convert chinese made 3dof movie ride motionplatform to sim use
i would second that ( prof Bill ) i have all of ians Stuff in my 2 dof Platform cockpit and the only reason my project is at a temporary halt is actuators ( i have some fitted but am worried about their capacity to shift all the weight if the occupied platform is unbalanced ( my design issue nothing to do with Ians Stuff ). the ready made/tested controller PCB he sells is a godsend to the Novice platform builder, and his whole system concept is about as simple,Do able and affordable as they come ( i'd go as far as to say Bang For Bucks, This side of free you wont see anything out there to match it ) will Post some pictures of the monster as she stands later when i get home , the upshot is Ians Project is great, easy to use , very flexible and great value for money ( if only i could find actuators that wont bankrupt me LOL . Just my 2 Cents worth but have to say you wont go wrong going down that road ..
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03-10-2010, 02:51 PM #12
- Join Date
- Oct 2004
- Location
- Berkshire, UK
- Posts
- 118
Re: convert chinese made 3dof movie ride motionplatform to sim use
Looking forward to seeing the photographs!
Bill.
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03-11-2010, 08:58 AM #13
- Join Date
- May 2006
- Location
- london england
- Posts
- 177
Re: convert chinese made 3dof movie ride motionplatform to sim use
Did Not get home yesterday so will dig them out or re-take some later no laughing at the monster i call it an unfinished ( spot on ) work in progress Concept dubrie wottsit but she's all my own handiwork look past the current build and realise what it will be once all the tweeking / mods / cnc panels are in place Cheers .
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03-11-2010, 01:03 PM #14
- Join Date
- Mar 2010
- Location
- USA
- Posts
- 6
Re: 3dof motion simulator
The Actuators are the heart of any motion platform and typically 60% to 90% of the cost. The factors to consider come down to capacity, performance, and cost. Designing a system that requires high force (more capacity) to move or hold the occupant, at least one of the other two will have to be sacrificed (lower performance or raise costs), there is just NO WAY around this problem.
This problem becomes magnified exponentially when the architecture of the system requires force just to hold the system in equilibrium. Basically, is the platform "doing work" and how much, when it is not in motion? The advantage (in my very biased opinion) of low force actuation systems, like our center of mass architecture, is that this system is always in equilibrium. All of the capacity of the actuator is transferred directly to performance for quickly moving and accurately positioning the system. Using lower capacity also reduces costs.
Every builder has to figure this out for themselves and evaluate how much mental effort, physical resources, and treasure they are willing to invest in exploring a solution. SimCraft's philosophy is to provide a benchmark for informing the DIY simulation community, so sim builders can intelligently compare their options. To this end, we offer our motion systems as DIY kits for a center of mass sim design, for builders who want a proven and supported solution to start enjoying their simulator sooner; instead of spending the months (and years) on designing, engineering, sourcing, prototyping, modifying, and building your own solution.
In the past fives years of designing and building motion platforms, we have learned many lessons and have developed many motion chassis designs that are publicly available for the DIY community.
Good luck on your journey towards a more immersive simulation experience, it is a truly rewarding pursuit.
Michael Boardman
SimCraft Information Officer
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Post Thanks / Like - 1 Thanks, 0 Likes, 0 DislikesAirhogg thanked for this post
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03-11-2010, 05:31 PM #15
- Join Date
- May 2006
- Location
- london england
- Posts
- 177
Re: 3dof motion simulator
Thanks Michael , great info and were always staved of Good Pointers when it comes to Motion Sims and DIY designs ( or should that be in my case DIY aster ) have added a Few Picture of my dusty Creation in the albums section ( i guess Search for Wannabeaflyers album will get you there ) been a long time since i posted stuff in the album section so Please no laughing ... basically she is in the state she is in because i decided to make my own CNC router so that i could machine as many of the bits i designed for my cockpit .. the monster that you see is another evaluation stage (( testing Controller - Feedback - Power supply and Motors )) i knew i would need to Beef a few things up so welder Bought , CNC Made (well WIP ) and Interface cards Sorted.. Have built 2 x 30 Volt Power supplies to drive the Motors but stopped the project for a while trying to sort out the feedback Sensor ( the current gearing does not allow me to fully utilize the 10 Turn Pots that i hoped to use ...( this is where the CNC kicks in .. it will allow me to design and make my own gearing to suit so hence the sidetrack . But For the greater Good ).. i have posted these pictures to sort of show members that even though i appear to be a Major league Lurker i am actually doing stuff ( just lots of bits hoping soon it will all come together ) so look beyond the dust and the temp cluttered Workshop and see the basis of my project ( PS the Actual C of G of the platform is adjustable by a DC Motor which will allow for Altering of the Position when the cockpit is occupied at startup before being locked in place for Motion ) the word nutty professor came to mind LOL this method i hope to ensure that the platform is balanced as best it can be so minimising the load on the current actuators ( still some trials to do in that area ) but now and then i get these lightbulb above the head moments Cheers guys feel free to Comment just dint slaughter me
Last edited by wannabeaflyer; 03-11-2010 at 05:35 PM. Reason: 4got bits :-)
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03-12-2010, 06:11 PM #16
Re: 3dof motion simulator
Nice pictures ! Thanks for sharing!
RR
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03-13-2010, 11:32 AM #17
- Join Date
- May 2006
- Location
- london england
- Posts
- 177
Re: 3dof motion simulator
Cheers Roland my Company Muirheadaerospace is actually Part of the AMETEK Group and im a keen Lurker at your site and follow you projects with the greatest of admiration and in eager anticipation of what your doing next .. Love the new actuator and Hope that it mayb be the answer to my Holdup regarding my system ... to be fair i have not load tested the Parvalux Gearbox -Permanent Magnet 24Vdc Motor set up yet but should be making some progress soon . Thank you more for sharing your work your site has been bookmarked and visited regualrly Quality stuff and Great presentation . Cheers
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