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Post by erik on Feb 8, 2014 9:15:01 GMT
Euhm, you can relocate the shock brackets to raise the chasis and swap springs.
just a thought...
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Post by edvb on Feb 8, 2014 14:58:09 GMT
Yes, but I really wanted to keep the stock geometry. It will all work in the end and will help all future builders with similar requirements.
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Post by Scott on Feb 8, 2014 16:24:19 GMT
Ed,
Its not a good idea to replicate, each kit will be set up differently for owners etc,,
I cant check mine as yet as its in bits, but im sure front and rear are not the same, it sits lower at the front which suits me, I think with my bottom wishbones level its just under 4" clearance 80-90mm which goes over speed bumps here, but I always dodge round them when I can,
don't worry about it until you have it built up and have a shake down run, then you will start to get a feel for what you need to do, the shock companies should just need vehicle / driver weights etc and they should be able to work it out, either way the build is the easy bit, the tweaking is the best bit,,,
Cheers Scott
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Post by edvb on Feb 8, 2014 16:34:56 GMT
Thanks Scott
That was what I needed. I thought the front was a bit lower on yours but wanted to confirm that.
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Post by erik on Feb 8, 2014 18:48:58 GMT
On the tR1ke we want the front to be lower to prevent lift. Going level or upwards might cause serious instability at high speeds. Food for thought  |
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Post by edvb on Feb 9, 2014 2:48:43 GMT
Hi Erik
Yes that is factored in. I have a pretty good idea where my ride level will be. But I have to get the Eco weighed first.
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Post by roger32849 on Feb 10, 2014 16:12:57 GMT
It has been a few days since I checked the forum and there has been a lot of activity. The combined input of all that posted has validity concerning the suspension. By no means does anyone think it is a weak spot or a deficient area. Setting up a suspension is solely an impirical value, based on many individual desired factors such as ride, handling, and/or application to name a few. There is no amount of logic or design application that states one method is better than another. It is up to the individual driver to determine what works (or doesn't work) for him or her. I personally want a slightly softer ride, with good stability. I also want to sit level, or only slightly nose down. What I have come up with is a Progressive brand Series 12, 14-1/4" shock with 120/170 pound springs. They are now on the Eco-Exo and from what I can determine, they might be a very close match to what I am attempting to achieve. With the trike unladen, it sits high in the front, but with my weight added, the bottom "A" arms are level to slightly downward and the nose only slightly down. I will do some actual clearance measurements and post my results. From what I can see, I may have something I can use, but only a test ride will tell.
Roger
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Post by edvb on Feb 10, 2014 19:50:52 GMT
Hi Roger
I am going to wait untill you try yours out. If it works well I will be able to pass that info on and hopefully my shocks will be right on the first time around.
Where you have yours is about where I was figuring. That will give me 3.5" to 3.75" of clearance at the bottom of the hood that is the closest point to the ground.
I have my fingers crossed that it will go well.
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Post by roger32849 on Feb 10, 2014 22:24:16 GMT
Okay.. Here is what I did. I put 240 pounds of weight distributed as a person might sit inside the vehicle. The pre-measurement showed 6-1/4" of clearance measured approximately half way between the two mounting points of the lower "A" arm. After I loaded the weight the clearance was 4-5/8". This made the total loaded sag 1-5/8". The lower arms were pointed only slightly downward (nearly level). I had to do a totally non-engineering test and press down on the front to see how the shocks responded. It felt only slightly softer than the shocks provided by Scott and Company... But it may be enough to provide adequate stability and a softer ride. When we get some roads clear of ice and snow, maybe I can do a driving assessment... Video to follow.
Roger
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Post by roger32849 on Feb 11, 2014 0:16:41 GMT
Video did not properly load. Will edit and repost this afternoon.. Sorry..
Roger
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Post by roger32849 on Feb 16, 2014 22:52:30 GMT
I have not posted for a few days. Edward and I have been posting on the burgmanusa.com blog site. I figured since the Eco-Exo is half Suzuki Burgman someone on the site might be interested in what we have and what is available. A nice group over there!!
The two snow storms have kept me busy since my snow blower stripped a gear in the auger gearbox. A replacement is on the way. I will be glad when spring arrives and the snow is put to bed until the fall.
I have the stereo installed, then cut the extra length from the wires. It sounds good with the ipod. I also have the modified shocks installed... When the snow melts from the roads I will test ride it and post the results. In the mean time I am doing some little changes to my project. I am adding nonskid tape and removing the rubber pad for the floor pan. I also installed an extra electrical wire to the bundle for future use. I am buying a battery tender and installing the recharge pigtail to my battery. I am also doing a wax job to the powder coated surfaces and the GRP panels as well. The front alignment will need to be checked if the shocks are to function correctly.. So, I have a lot ahead of me.
That's it for now...
Roger
Worcester, Massachusetts
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Post by roger32849 on Feb 19, 2014 22:59:22 GMT
 I found this FM Transmitter that also allows for wired connections to the powered speakers I installed on the Eco-Exo-R. Right now, it is playing straight from the RAM stick installed at the top. I will transfer the music to a smaller RAM stick and then install the remainder of my music on an internal 4GB Micro SD card. It is a neat little device that tucks nicely beneath my dash... Roger |
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Post by roger32849 on Feb 20, 2014 0:25:32 GMT
 I installed a 4GB Micro SD card with adapter into the FM Transmitter with music. This player is great for the money. I believe I paid less than $13.00 including shipping. It shows the title of the song, the artist and volume. It fits nicely beneath the bar and works as it should. No problems Roger Worcester, Massachusetts |
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Post by roger32849 on Feb 25, 2014 2:34:23 GMT
I have been having a sever case of cabin fever lately. Currently 15 inches of snow on the ground and more expected Wednesday., in spite of this, Yesterday I took the trike out to test the 14" progressive shocks. It turned out horrible. Way to much chassis roll, bump steer and uncontrollable over 30 MPH. Progressive suspensions are really not suitable for the front suspension of a reverse trike, perhaps a three wheeled modded motorcycle, but not the Eco-Exo. I spent several weeks preparing and setting up the front end alignment for the taller shocks only to find out I was piloting a land based boat. It tossed me around inside the seat like I was on the high seas. I removed the shocks, washed and waxed the trike and put it in the garage for the night. When I got up this morning, I went to work to reset the alignment back to the original factory suggested settings.. (Which by the way were spot on). I got some reassuring information from Scott on what the settings should be, and he knows his business for sure! After 3 hours of finite adjusting and measuring, I was ready for a test ride.( bear in mind the temperature was 22 deg F). I was single hand driving at 50+ MPH with very good predictability, handling and absolutely no chassis roll or bump steer. I will keep the 13 inch MDI Forsa shocks and return the Progressive brand shocks and springs..... I did all this for a softer ride, but this trike has some nice handling characteristics, it is very sporty and quick to respond, it was made for a firm ride, and it handles exceptionally well as it currently set up. I will keep it just as it is and enjoy the ride when weather permits.
That all for now... Just a note, it seems the forum is not as active as it has been in the past. Come on guys, make a couple of posts so the rest of us can tell you are alive.... It must have been the Olympics diverting everyone's attention and free time.
Roger
Worcester Massachusetts
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Post by roger32849 on Feb 25, 2014 2:36:12 GMT
One quick note, I did not make a video of the ride, with the 13/14 inch shocks as mentioned a few posts back. When the temps increase and the landscape looks much nicer I will do a video and post pictures...
Roger
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