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Old 08-03-2013, 09:42 PM   #766
kellymac530
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You are not crazy JTH....and I can speak from experience on what "crazy" is....I have the perscriptions {yes plural } to back that up.
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Old 08-07-2013, 12:49 AM   #767
geniuskidzz
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Quote:
Originally Posted by Roadracer_Al View Post
That looks like a fun project -- a perfect fit for it's own thread in "Some Assembly Required". There are a lot of very helpful people that pay attention to that thread.

To answer your question, there is an engineering saying "if it's stiff enough, it's strong enough." Which basically means that if you affix everything and you load it cyclically and nothing flexes, it's probably strong enough.

You want to pay close attention to how thick those stamped sheet frame members are: if you load in the middle of a piece of flat sheet, it will flex and crack. Adding a sheet doubler and/or gussets will help prevent that.

My recommendation is to buy the Carroll Smith book, "Engineer To Win". It was written in the '60s, and he speaks very plainly (i.e. not a bunch of math) about good design principles for chassis building. Worth every penny.
Thx a lot bro, i dont mind some math myself im studying industrial engineering right now.
The only problem is, according to math, lots of small support is better than one bg frame, but as u know, in dual sports that much of welding is real PITA when failing

Oh btw i'll start the thread after my dual sport fairing is done
Its using a pair of projectors powered by h4 35 watt xenon, quite sure it will help me a lot when riding night
Quote:
Originally Posted by JimmyTheHog View Post
Hi Dhito - Thanks and yours sounds like a fun project! Roadracer-Al has some good input already but you might also look up www.tonyfoale.com. He's got some good info on frame geometry and even frame stiffening principals and techniques.

Maybe sketch up the frame/pannier idea you're thinking of and post it in a thread and we can all provide some input and help if we can. Seeing a picture of what you are thinking would help.
Ok thx a lot JTH, sorry for hijacking your thread
I'll look into the link

And maybe i,ll try sketching in google skecthup.. since lots of people mistaken my sketch as doctor's note
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Old 08-10-2013, 10:25 PM   #768
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2-into-1 Exhaust

Just brought the bike back from BTR Moto where the exhaust was being fabricated. Curt Winter, who made the exhaust, is the owner of BTR and knows what he's doing when it comes to big v-twins.

The exhaust is a sst welded 2-into-1 low pipe that snugs the motor and lower frame rail. When I saw the finished pipe on the bike - I was blown away! He tucked the pipes in tight so they're not vulnerable to a low side drop or big rocks, etc... and the front pipe sits nicely behind the skid plate.

As for the sound - Its actually quieter than the Supertrapp, and has a lower bass'ey growl to it. The Leo Vince muffler has the quiet insert with spark arrestor installed which helps with the needed back-pressure to produce good torque.

The motor seems more snappy and responsive which may be due to the 2-into-1 scavenging benefit. More testing tomorrow to go thru all the gears at speed.

Check out Curt's website for more info:
http://www.btrmoto.com/index.html

The pipe will be part of the new SC3 Adventure conversions and also we plan to offer them as part of the kits/components we will sell.

Here's a few pics...





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JimmyTheHog screwed with this post 08-10-2013 at 10:44 PM
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Old 08-11-2013, 11:07 AM   #769
kellymac530
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Absolutely perfect looking on that bike. I love it.
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Old 08-11-2013, 11:42 AM   #770
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Nice looking bike. Could you put the photos the right way up next time .
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Old 08-11-2013, 06:04 PM   #771
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I took the SC3 Adv for a test ride in the hills today up to Alice's on Skyline. The pipe works! Significantly more low end torque and top end pull. The 2-into-1 scavenging makes a difference.

I haven't weighed the difference between this pipe and the Supertrapp yet, but I would guess'timate its somewhere between 5 to 10 lbs less. That would put this bike at 465-470 lbs now. I'll follow up with an actual measurement on the scales.

I'm very happy with it...

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Old 08-11-2013, 06:06 PM   #772
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Quote:
Originally Posted by orangebear View Post
Nice looking bike. Could you put the photos the right way up next time .

Are they sideways? The look straight up on my computer.
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Old 08-11-2013, 07:48 PM   #773
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For some reason they are upside down. -David
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Old 08-11-2013, 08:36 PM   #774
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Originally Posted by MTrider16 View Post
For some reason they are upside down. -David
Ok here. Might I suggest you turn your IPad 180 degrees (Sorry, I just had to)
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Old 08-11-2013, 08:51 PM   #775
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Ok here. Might I suggest you turn your IPad 180 degrees (Sorry, I just had to)
lol, I would, but the pics are upside down compared to the text. It offends my OCD.

David
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Old 08-11-2013, 09:28 PM   #776
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Ok here. Might I suggest you turn your IPad 180 degrees (Sorry, I just had to)
Is there any way to lock it?
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Old 08-12-2013, 12:01 AM   #777
Te Hopo
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The pics are the right way up and looking mighty fine to me
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Old 08-12-2013, 03:08 AM   #778
orangebear
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Quote:
Originally Posted by MTrider16 View Post
For some reason they are upside down. -David
Same on my iPad The test is the right way but the photos are up side down
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Old 08-12-2013, 03:14 AM   #779
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iPhone shows the upside down put my PC shows the correctly.

Maybe apple are offended by dirt Harley's
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Old 08-12-2013, 07:41 AM   #780
orangebear
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Originally Posted by DRjoe View Post
iPhone shows the upside down put my PC shows the correctly.

Maybe apple are offended by dirt Harley's
The photos at the start of this thread were the same way as the text but the last lot were up,side down
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