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Message started by Isaac on 05/17/16 at 18:04:04

Title: Hitch to haul trailer
Post by Isaac on 05/17/16 at 18:04:04

I came to have design layout to install hitch for hauling trailer. It's bolt-on system that requires no welding. I have detail drawings as well. It's in dwg file since I did on AutoCad. Let me know if you like to know more details, please. I'll send you dwg file. I don't know how to add dwg file on this site. This site seem to want 3rd party file storage server or so. Let me know.[img][/img]

Title: Re: Hitch to haul trailer
Post by verslagen1 on 05/17/16 at 19:34:15

you should be able upload a zip file same as the pic you added.

Title: Re: Hitch to haul trailer
Post by Isaac on 05/17/16 at 19:42:30

Hi, Thanks for your reply. How can I convert dwg to zip file. Do I need to use Winzip or some software to convert it? I don't usually use zip file so maybe I'm not used to it. Let me know how to convert it to zip easily, please.

Title: Re: Hitch to haul trailer
Post by KennyG on 05/17/16 at 20:22:55

Isaac,

That is really nice looking and professionally executed job on the trailer hitch.

Kenny G

Title: Re: Hitch to haul trailer
Post by verslagen1 on 05/17/16 at 20:38:42


616A7866646E67610F0 wrote:
Hi, Thanks for your reply. How can I convert dwg to zip file. Do I need to use Winzip or some software to convert it? I don't usually use zip file so maybe I'm not used to it. Let me know how to convert it to zip easily, please.

just right click on the file or select many and right click, you should have an option to "send to"... "compressed folder"
that will be a zip file.

Title: Re: Hitch to haul trailer
Post by DesertRat on 05/17/16 at 22:02:20



curious to how does it take corners? is there enough of a pivot with just the ball?

http://theusatrailerstore.com/blogswivel-and-pivot-a-tale-of-two-hitches/

Title: Re: Hitch to haul trailer
Post by Kris01 on 05/18/16 at 18:49:41

How could you pivot the ball? Maybe add a spring under it and mount the ball loosely?

Title: Re: Hitch to haul trailer
Post by DesertRat on 05/18/16 at 20:07:00


I was thinking about this:

http://cdn3.bigcommerce.com/s-437uh/product_images/uploaded_images/swivel-movement.jpg?t=1448488717

and this:

http://cdn3.bigcommerce.com/s-437uh/product_images/uploaded_images/the-usa-trailer-store-swivel-coupler-.jpg?t=1448490245

Title: Re: Hitch to haul trailer
Post by Isaac on 05/19/16 at 17:28:03

Hi, Thanks for your input. You brought important issue on swiveling of ball when turning since 2-wheel vehicle lean when turning. Ball on my photo is not swiveling ball. It seems that installing swiveling ball or Freedom pivot ball would be safer and more sound way of hitch coupling. Regarding spring, usually coupler has spring built in it like photo someone uploaded.
Anyway I added dwg file and some photos on how I made this. I hope this could help you.
Thanks for your input as well.

Title: Re: Hitch to haul trailer
Post by KennyG on 05/19/16 at 17:34:53

Isaac,

I saw a Gold Wing with a small trailer the other week, and the mechanism to compensate for the bike leaning in corners was built into trailer tongue.

It looked like a factory built trailer.

Kenny G

Title: Re: Hitch to haul trailer
Post by Isaac on 05/19/16 at 17:52:02

Hi, Kenny G
Thanks for letting me know on the factory built trailer tongue for Gold-Wing. It's good idea for tongue to have swiveling capability to make receiver ball simple.
People let others know what others may have missed. It's good I think.
It's good helping hand for each other. :D :)
Thanks for letting me know.

Title: Re: Hitch to haul trailer
Post by DesertRat on 05/19/16 at 19:33:02



video and images and more data on motorcycle swivel hitches -

http://www.openroadoutfitters.com/index.php?main_page=index&cPath=65_73

[media]http://www.youtube.com/watch?v=yygXWeMGLus[/media]

Title: Re: Hitch to haul trailer
Post by Isaac on 05/21/16 at 14:55:47

Thanks for your video. I thought about swivel hitch ball.
I don't recommend people to buy these adaptors, swivel ball, or Freedom ball because these are expensive. I saw least expensive one was $50 on Ebay. For my hitch, you can make swivel whole angle with relatively simple modification. You can drill hole in the middle of attaching surface of angle for thru-pin(or bolt) to go thru. Then let your whole angle swivel around. Besides, if you don't need to drive fast to lean deep(more than 10 deg or so) you may not even need swivel ball at all. Anyway, this swivel issue shouldn't be too big job to take care of. I thought that bending job was more difficult and tricky. Thanks for your input.

Title: Re: Hitch to haul trailer
Post by thumperclone on 05/22/16 at 07:41:00

imo
mounted to the top of the shocks will provide a lot less bounce
too much bounce could make you lose control..
research how those for sell are mounted

Title: Re: Hitch to haul trailer
Post by Isaac on 05/24/16 at 17:13:52

Thanks for your opinion. I have considered it when I was doing design layout already. But I have decided not to use that because designing to use top of shock to reduce bouncing itself causes to make hitch too long, and itself causes other problems. Believe me I have explored other ideas including yours. I thought my idea was simple and practical. Remember that everything comes with trade off in designing. If you don't use it off-road, it should be no problem. I welcome you to come up with better design layout if you don't mind.
Besides for swiveling, I have tested mine the other day. My Harbor freight trailer tongue can swivel 30-35degree without receiver ball swiveling at all. Many of you may not even need swiveling ball at all. If you lean deep for high speed cornering more than 30-35 degree, I have prepared modification, and I have uploaded it for all of you. So you don't have to buy those expensive swiveling hitch or Freedom Pivot ball.

Title: Re: Hitch to haul trailer
Post by 12Bravo on 05/26/16 at 07:41:08

You are going to want to be careful with the hitch mounted directly to the swing arm. A big enough pothole or bump in the road will cause you problems. If/when the trailer hits a bump and jumps up, it will pull your back tire up with it.

Title: Re: Hitch to haul trailer
Post by Isaac on 05/26/16 at 16:48:48

Thanks for your concern. That's why I made holes on side plates larger than mounting hardwares so hitch has some room to move around a little when it's really forced to. Remember swing arm has all the backloads including rear tires attached.
I have considered many possibilities including your concern. I have seen many other hitches for other motorcycles as well. Those are rather expensive to build, complicated and less practical. Besides, many hitches involve welding which means that it's permanent attachment. I wanted to be able to remove hitch ball easily when it's not used.

Title: Re: Hitch to haul trailer
Post by Isaac on 05/26/16 at 18:01:49

Thanks for your encouragement. I welcome constructive criticism but sometimes I see criticism not appear to be constructive.
Every time when you do something new, some people will always oppose no matter what which is unfortunate reality.

Title: Re: Hitch to haul trailer
Post by thumperclone on 05/27/16 at 01:32:54

have not found a swing arm mounted hitch on the market
top of the shocks and fender rails
there must be a reason

Title: Re: Hitch to haul trailer
Post by thumperclone on 05/27/16 at 02:10:16


4F4456484A40494F210 wrote:
Thanks for your opinion. I have considered it when I was doing design layout already. But I have decided not to use that because designing to use top of shock to reduce bouncing itself causes to make hitch too long, and itself causes other problems. Believe me I have explored other ideas including yours. I thought my idea was simple and practical. Remember that everything comes with trade off in designing. If you don't use it off-road, it should be no problem. I welcome you to come up with better design layout if you don't mind.
Besides for swiveling, I have tested mine the other day. My Harbor freight trailer tongue can swivel 30-35degree without receiver ball swiveling at all. Many of you may not even need swiveling ball at all. If you lean deep for high speed cornering more than 30-35 degree, I have prepared modification, and I have uploaded it for all of you. So you don't have to buy those expensive swiveling hitch or Freedom Pivot ball.

visualize boomerang shaped steel plates
top of shock, fender rail, down to the u bar
no welding required

Title: Re: Hitch to haul trailer
Post by 12Bravo on 05/27/16 at 11:01:53


4942504E4C464F49270 wrote:
Thanks for your concern. That's why I made holes on side plates larger than mounting hardwares so hitch has some room to move around a little when it's really forced to. Remember swing arm has all the backloads including rear tires attached.
I have considered many possibilities including your concern. I have seen many other hitches for other motorcycles as well. Those are rather expensive to build, complicated and less practical. Besides, many hitches involve welding which means that it's permanent attachment. I wanted to be able to remove hitch ball easily when it's not used.


Hopefully your setup has enough movement to stop any serious wheel hop. I have seen people with trailers overloaded and/or shocks set too stiff have problems with wheel hop even with the hitch mounted to the fender/frame. Your hitch looks good and I hope it works out well for you.

Title: Re: Hitch to haul trailer
Post by Chase on 05/27/16 at 11:14:28

Ok I want one.....

Isaac are you making them? can you make one to sell? price??

Title: Re: Hitch to haul trailer
Post by Isaac on 05/28/16 at 15:17:13

Hi, I made detail dwg file for everyone so everyone cam make it easily.
If you really want me to make one for you, I could do it for you too as well. Parts needed for it is about $60 which includes steel bars and stuff on Parts List. My labor for fabrication and painting $120, shipping about $20. I may need to charge $200 for making one for you. You may want to supply your own ball which is too heavy for shipping. It's just my rough idea. I recommend people make his own not only to save money but also build metal fab experience for your future metal works as well. But if you really like me to do it, I can do it for you as well.

Title: Re: Hitch to haul trailer
Post by thumperclone on 07/22/16 at 00:48:46

haven't heard from you in a couple of months
how is it working for you?

Title: Re: Hitch to haul trailer
Post by RaleighGuy on 07/22/16 at 04:35:18


Yeah Isaac, inquiring minds want to know...
is the hitch working as well as you'd hoped it would??

Title: Re: Hitch to haul trailer
Post by 12Bravo on 07/29/16 at 13:42:53


3D36243A38323B3D530 wrote:
Hi, Thanks for your supports.
My angry comment was for thumperclone. Bravo 12 did same trick to me, too.  I don't have any negative feeling for any others.
I hope you could have productive use for it, and improve it if you can. There's always room for improvement since it's difficult to be perfect.
Thanks.



Easy Isaac, I wasn't trying to put you down or be critical of your hitch. I was only pointing out possible safety issues. And if you reread my post, I did say that your hitch looked good and that I hope it works for you.

"Isaac wrote on 05/26/16 at 18:48:48:
Thanks for your concern. That's why I made holes on side plates larger than mounting hardwares so hitch has some room to move around a little when it's really forced to. Remember swing arm has all the backloads including rear tires attached.
I have considered many possibilities including your concern. I have seen many other hitches for other motorcycles as well. Those are rather expensive to build, complicated and less practical. Besides, many hitches involve welding which means that it's permanent attachment. I wanted to be able to remove hitch ball easily when it's not used.


Hopefully your setup has enough movement to stop any serious wheel hop. I have seen people with trailers overloaded and/or shocks set too stiff have problems with wheel hop even with the hitch mounted to the fender/frame. Your hitch looks good and I hope it works out well for you."

Title: Re: Hitch to haul trailer
Post by Dave on 07/30/16 at 09:02:04

I have moved this out of the Technical Section, as it has not yet been proven to be a good/workable design.  Until is gets some testing and a considerable amount of mileage on it......it is not proven.  As others have stated, mounting to a swingarm does increase the unsprung weight on the bike, and the tailer ball will move up/down constantly as the rear tire comes in contact with the irregularities in the pavement....at this point nobody knows is this will result in handling problems, stress cracks in the hitch or swingarm hardware, etc.  Trailer hitches need to be extremely durable - as the folks that need them are most likely going to be traveling a long way from home.

Isaac.....go put some miles on your hitch, and keep us updated on the project.

Dave

Title: Re: Hitch to haul trailer
Post by Isaac on 07/31/16 at 16:11:46

Well, as I said I have used the hitch to haul my Harborfreight trailer which is loaded with 5 ft long 2x4, 4x4, and other materials from Home Depot, and it worked fine. Dave I don't need your or anyone's approval for my design. You can remove or put it in any place you want. I didn't do this for anyone's approval. I did this because I was looking for hitch from this web site and didn't find any. Nobody did anything for hitch to my dismay. So I thought I should do it myself. If someone had done anything for hitch, I would have appreciated it. Since nobody did, I did. But you seem to be rather beaurocratic looking for approval from other passive sideliners. You don't really support doers who actually tried to do something. It's unfortunate. I've seen those before.

Title: Re: Hitch to haul trailer
Post by stewmills on 07/31/16 at 16:25:15

I appreciate your design efforts. Good to see someone thinking.

However, I too respect the moderator`s position. Unless a modification is proven and deemed safe, they do have some level or responsibility to keep the less technical or otherwise unknowing forum members from taking on a potentially unsafe modification. In my opinion, that is what makes this a great forum. We welcome invention and ideas, but do it while also protecting one another from both trivial and potentially harmful modifications. Our moderators are very seasoned and smart people like yourself.

Isaac, please stay involved and offer an update as time permits.

Title: Re: Hitch to haul trailer
Post by KennyG on 07/31/16 at 17:40:04

Isaac,

I suspect the above post was your departing speech.

I hate to see a guy with a good imagination get stifled, you will not be the first good guy to leave here. It will be our loss.

I am going to PM you with my email address, and I hope you will keep me apprised of your progress with the hitch and any other good ideas that you come up with.

Good Luck!

Kenny G

Title: Re: Hitch to haul trailer
Post by Dave on 08/01/16 at 03:58:15


4C47554B49434A4C220 wrote:
Well, as I said I have used the hitch to haul my Harborfreight trailer which is loaded with 5 ft long 2x4, 4x4, and other materials from Home Depot, and it worked fine.


You have used it how many times?  How many miles on it?

Some folks don't just go to the Local Home Depot with their hitch and trailer.....they may be leaving home and going on a long trip, and be gone for days/weeks/months, and not all the roads may be smooth.

Before anyone copies your design and heads out on a long trip, it would be nice to know that it will hold up and not leave them stranded a thousand miles from home.  There is little doubt that this hitch will bounce up/down as the rear tire reacts to the bumps on the highway.....and the hitch will move twice as far as the rear wheel (as it appears to be about double the length of the swingarm).  It is not yet proven that this design will be durable.

 


Title: Re: Hitch to haul trailer
Post by RaleighGuy on 08/01/16 at 06:10:51


505746544E4A4F4F50230 wrote:
I appreciate your design efforts. Good to see someone thinking.

However, I too respect the moderator`s position. Unless a modification is proven and deemed safe, they do have some level or responsibility to keep the less technical or otherwise unknowing forum members from taking on a potentially unsafe modification. In my opinion, that is what makes this a great forum. We welcome invention and ideas, but do it while also protecting one another from both trivial and potentially harmful modifications. Our moderators are very seasoned and smart people like yourself.

Isaac, please stay involved and offer an update as time permits.


-------------------------------------

Isaac, I would strongly agree with KennyG and stewmills. It's great to see smart people coming up with ideas. Necessity is the mother of invention, right? I really don't think anybody has tried to insult you or your hitch idea. On the other hand (as stewmills pointed out yesterday), your mod might be attempted by someone who is much less technical or mechanically inclined than yourself and therefore... it COULD be assembled and used in an unsafe manner by them.

I've been thinking of all types of modifications such as trailer hitches, sidecars, etc since I first bought my cabbage and your design seemed pretty ingenious.

Sidenote:  I just visited Kill Devil Hills here in my terrific state of NC this past weekend. Therefore, I'd like to remind you that even the Wright Bros didn't get their flyer design perfect the first few times they tried it.  Don't be insulted or hurt if people question your design, test it, test it and test it some more. If need be, tweak the design a little bit. Then test it, test it, and test it for many miles. If it works, it works. If it doesn't, then you have the right kind of imagination to change it.   8-)

Title: Re: Hitch to haul trailer
Post by batman on 08/01/16 at 15:38:37


474C5E4042484147290 wrote:
Thanks for your encouragement. I welcome constructive criticism but sometimes I see criticism not appear to be constructive.
Every time when you do something new, some people will always oppose no matter what which is unfortunate reality.

Isaac,It is in fact a fortunate reality that people voice their opinions on this site,some times we only look at new things from are own field of view,I think that it's good that your hitch is simple and no welding is involved ,it shows me that you think outside the box !which is to be admired!Can your design be altered/ improved ? It may be even by you with the ideas offered by others ,the best part of being on this site is to bring forth new Ideas ,to teach and to learn!welcome ! stay aboard, I believe you'll be a valued member!!!

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