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SuzukiSavage.com
/cgi-bin/YaBB.pl General Category >> Rubber Side Down! >> custom longshot exhaust sound file /cgi-bin/YaBB.pl?num=1237855827 Message started by diamond jim on 03/23/09 at 17:50:27 |
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Title: custom longshot exhaust sound file Post by diamond jim on 03/23/09 at 17:50:27 http://www.youtube.com/watch?v=YYJD9KcucVE |
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Title: Re: custom longshot exhaust sound file Post by Wolf on 03/23/09 at 17:59:10 That is the clean engine compartment I was... 8-) Did he hide his battery in one of the side bags if I recall. A dry cell I quess. I think I would like to install it on the rear fender... oh well, Cool sounding pipes! Wolf :) :-[... no offense intended, I read what Jim did and that is really ingenious! I was (foot in mouth) implied I was a non bagger :-X |
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Title: Re: custom longshot exhaust sound file Post by diamond jim on 03/23/09 at 19:04:55 655D5E54320 wrote:
My bags are essentially hard bags with leather covering, if that makes any sense. They have solid interior shells that are integrated with the custom made bag mounts. My right side bag is divided into three sections: lower rear holds the battery, lower front holds the wiring along with wiring for cell phone charger and ipod charger. Then there's a removable horizontal separator, a false bottom if you will, which gives the bag a shallow upper compartment. It nicely holds the cell phone and ipod holder/chargers and whatever other little things like shades, gloves, etc. My cell phone and ipod charge while I ride. Part of the top tray is designed to allow proper battery ventilation. The left bag is for whatever else I want/need to carry. I'm always buying little things here and there so storage is awesome to have. Work often requires me to carry a textbook or notebook. Wolf, whenever your battery dies, measure dry cell batteries and find one you can fab onto the rear fender. I'm certain you already thought of this though. |
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Title: Re: custom longshot exhaust sound file Post by Staplebox on 03/23/09 at 20:13:12 Not to change the subject but... what kind of seat is that? |
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Title: Re: custom longshot exhaust sound file Post by diamond jim on 03/23/09 at 20:30:13 745346574B4245485F270 wrote:
It's a super easy DIY. Remove cover and cushion, spray seat pan with expanding foam to fill in all the little recesses, let dry overnight, run a hacksaw blade across the top of the seat pan to cut expanded foam even with seat pan, add a layer of high density foam, a layer of cotton batting, put plastic cover back on and restaple cover. It's maybe an hour of work not including the drying overnight. Easy job. Comfy doesn't even begin to describe it. Do you know why people can sit in a horse saddle all day but on a motorcycle seat only two hours tops? I do. I had to do a paper long time ago about blood flow restriction/tissue pressure and why a hard leather saddle works so good compared to soft seat cushions. It's partly because one sits "in" a saddle as opposed to sitting "on" a seat. Think of the seat mod as a saddle with a cushion. It took my thick skull a few years to make the connection between saddle and bike seat for some stupid reason! It also lets me sit back another 2" compared to stock. The stock seat was horrendous and I don't carry passengers. I did my M50 seat in a similar fashion. The M50, and this bike, are the most comfortable long-riding-time bikes I've have because of modded seat design. Here's a link to a previous post that I think has got some info about the seat mod. http://suzukisavage.com/cgi-bin/YaBB.pl?num=1233000795/15 |
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Title: Re: custom longshot exhaust sound file Post by Gary On A Savage on 03/23/09 at 21:01:01 Cool sounding! But I'm really impressed with the remote start and throttle control... ;) Jim, you inspired me to do something along the same lines with my pipe. I purchased V&H straight shots for my Shadow 1100 and was really surprised at what I got. They are essentially headers and straight pipes with with some cheap baffles in them. The pipes are really loud so I put some extra baffling in. But I'm looking at doing some kind of baffling like this on the Savage, only using grilled sheet metal and not stainless steel. http://www.spiralturbobaffles.com/images/STSAdHalfPage.gif http://www.spiralturbobaffles.com/ |
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Title: Re: custom longshot exhaust sound file Post by diamond jim on 03/23/09 at 21:24:38 Gary, those look cool! What kind of exhaust do you have on the thumper? A side thought- when I was experimenting with my baffle I was amazed at how much pipe "suction" occurs between exhaust strokes. I was idling the bike and slid an 8" steel baffle into the end of the pipe maybe 2/3rds the way in. I kept a gloved finger on the outside edge of the baffle so the exhaust wouldn't blow it out. But it would literally suck the baffle in an inch and a half then blow it out against my finger, over and over with each exhaust stroke. I know it sounds crazy but I was there and saw it with my own eyes! Anyhow, I think your idea for a baffle there would help minimize how much exhaust gets sucked back into the pipe. Awesome. Looks a little tough to build. But, I've come to learn you're pretty sharp. |
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Title: Re: custom longshot exhaust sound file Post by Wolf on 03/23/09 at 21:57:39 So cool diamond jim! 8-) .... yer bike that is... Wolf |
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Title: Re: custom longshot exhaust sound file Post by Gary On A Savage on 03/24/09 at 09:18:59 5F525A5654555F5152563B0 wrote:
Jim, The suction information is interesting. I'm not an engine expert by any means, but I think that is a normal part of the exhaust stage of the engine. It doesn't look that hard to build. To me, looks like a pipe with cut discs welded to it. If you read on the site link, the guy built these baffles for his corvette. Then others started asking him to make them. He builds these for covettes, race cars, and busses/trucks. Claims large improvement in fuel efficency for the trucks and busses. The spiral design is supposed to improve sp I want to build something similar using grilled sheet metal instead of stainless for the main pipe which will be open. But I'll experiment with grilled or solid for the diverters. What I really want for both of my bikes is a tunable option while riding. A switch that will open/close grilled disks or diverters to adjust to present riding conditions. Something like these: http://hushersexhaust.com/pages/images/hand2.jpghttp://hushersexhaust.com/pages/images/hand1.jpg http://cyclesolutions.net/index.php?option=com_store&manufacturer=1&item=AP-HUSHERS I already have some ideas for this. It would really help the Shadow out the most, but would work on the savage as well. Closed for quiet/low-end torque, open for louder/top-end performance. |
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Title: Re: custom longshot exhaust sound file Post by diamond jim on 03/24/09 at 10:02:29 Gary, that sounds cool. You could use one of these cables to turn it open and closed. http://www.scootusa.com/cables/choke_cable.jpg Here's a thought I just had for making an active baffle that would provide back pressure for torque and automatically open more as rpms increased. Somehow attach baffle spirals, with opposing open and closed spots like in the pic, to two sections of 1/4" steel tube. Run a 1/4" threaded rod with a spring between the back nut and steel rod. Use mounts to attach it so it floats in the pipe. The spring pressure would have to be played with. Anyhow, the opposing spirals provide back pressure at low rpm and as the exhaust got stronger with higher rpms the pressure would turn the back section so that the open spots in the spiral line up giving the exhaust a straight shot. As rpms drop the baffle progressively rotates back to the original position. http://i255.photobucket.com/albums/hh128/russ_diamond_jim/activebaffle.jpg Also, this morning I tapered my exhaust pipe. http://i255.photobucket.com/albums/hh128/russ_diamond_jim/S4021792.jpg http://i255.photobucket.com/albums/hh128/russ_diamond_jim/S4021794.jpg The taper shapes the sound better. There's not as much suction on decel since there is more open area at the opening. |
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Title: Re: custom longshot exhaust sound file Post by dasch on 03/24/09 at 10:55:18 Oh yeah! Great! Great! Here's mine: http://www.youtube.com/watch?v=LxrYiLR1ZGk |
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Title: Re: custom longshot exhaust sound file Post by Gary On A Savage on 03/24/09 at 11:11:53 Jim, your my idol, my inspiration! When I grow up, I want to be just like you! LOVE the taper. I was going to buy an end cap, but that's sweet looking! What did you use to cut the pipe and buff the end? I'm thinking a dremmel tool would be good for detail, but that would take a while. Oh, before I forget...what's the dimensions to the pipe you installed (ID/OD)? Do you know? |
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Title: Re: custom longshot exhaust sound file Post by Gary On A Savage on 03/24/09 at 11:18:31 As far as the adjustable baffle, I was going to go with the butterfly valve like the picture, only maybe at the front rather than the back. I was thinking of a choke cable just like you said. The valve would close the straight through section for back pressure for low torque, but then could open for more top end horse power. The butterfly shouldn't be too hard to rig. |
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Title: Re: custom longshot exhaust sound file Post by dasch on 03/24/09 at 11:41:31 I had an idea of a regular flap at the pipe end, just like tracktors and trucks have, with simple spring-closing. I am still thinking about it. |
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Title: Re: custom longshot exhaust sound file Post by diamond jim on 03/24/09 at 14:20:57 Dasch, what kind of muffler is that? It doesn't look tapered like the HD. Gary, my ADHD won't let me leave my bike alone! A flap on the end would work but I don't think it would sound very good. Having some hollow open pipe after the baffle/butterfly is what helps develop the deeper tone. Gary, I used 1 3/4" pipe. The muffler guy had to spread the end open a little to fit over the header. Simon (Simontuffguy) just had one made. Him noted that another person standing 15 feet behind his bike could feel the exhaust when Simon drove off. I noticed that, when idling in the yard, I can see the grass 7-8 feet away being blown by the exhaust. For the cutting, while the pipe was on the bike but cold, I put blue painter's tape on the section I wanted to cut off making sure my bottom and top points lined up correctly. The edge of the tape was my cut line. That way I knew the point would be precisely at the top when the bike is standing up. I took the pipe off and I drilled 1/8" holes about every 1/4" along the edge of the tape (which marked my cut lines). I secured the pipe to the workbench and used a hacksaw to cut basically along the line of drilled holes. It kept me lined up and having drilled all the holes left less metal to have to hacksaw. I hit the cut edges on the grinder a bit then smoothed the edges with a hand file. Riding a friends V-Star 650 today. Last week I spent a good bit of time on a Honda VTX 1800 and a V-Star 1100. All being cruisers, it made me realize just how much faster and more fun my bike is to ride than all of them. Mine is also roomier than both V-Stars and about equal to the VTX. I wouldn't trade mine for them. It's a helluva lot more fun! |
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Title: Re: custom longshot exhaust sound file Post by Big Nix on 03/24/09 at 14:57:28 616C64686A6B616F6C68050 wrote:
Yah I'm putting a straight pipe on mine too, just had to go back and get another one made up didn't have the flair put in the first one so it wouldn't fit over the header, duh :P. That and i had him put a 10 degree bend in it after the flair so it wouldn't run into the end of the bike. That and I really like the idea of drilling a bunch of holes in the pipe before you cut it makes sense cause i sat there and cut the tail pipe straight through with a hack saw, and i was sweating like a sleeper in church after i got done. And how much of difference in sound did you get with the slash cut? I should have my pipe by like tommorrow but we'll see, the guy said he was busy don't think it takes that long to cut one pipe and put one bend in it, but hey not my shop. |
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Title: Re: custom longshot exhaust sound file Post by diamond jim on 03/24/09 at 15:03:34 Nix, if your pipe goes past the axle you'll find that it blows a lot of air and also sucks in some air as well. The "burble" sound on decel with the long pipe is pretty cool. However, I wanted to see if a slashcut would shape the sound some. It does by having a larger opening for when the air gets sucked in. |
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Title: Re: custom longshot exhaust sound file Post by Big Nix on 03/24/09 at 16:46:50 Ah okay well that makes sense I told the guy to make mine 30" and that includes the 2" or so that'll go on over the header so it'll be about another foot or so longer than the stock so we'll have to see what it sounds like when i get it on there I'll post some pics and we'll have to see if I decide to slash cut the end again or not, that was a crap load of work. |
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Title: Re: custom longshot exhaust sound file Post by diamond jim on 03/24/09 at 19:05:24 2E292D2A3B2C2D7475430 wrote:
No, I'm not saying the pipe shouldn't go past the axle. It should. That long pipe does two things well. One, it allows the exhaust to develop better momentum and clear the pipe better, and two, it gives the exhaust an awesome sound. Mine is 31.5" long at the tip. Don't cut your pipe shorter. What I'm saying is that once the pipe gets to the axle or longer, the "burble" sound is more noticeable. I like that "burble" sound. I think it's cool. I've gotten used to it and wanted to experiment with the slashcut. I was reading earlier about how different openings shape the sound differently. If you can record the exhaust please do. My recording isn't bad but it didn't capture the lows and occasional raspy sounds that make it sound so unique. Maybe you've got something that can record it better. |
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Title: Re: custom longshot exhaust sound file Post by Wolf on 03/24/09 at 19:31:44 I'm lost! :-/ Seat, muffler, battery... my head is just spinnin hohoho! This is great shtuff here! Thanks guys! Wolf :) |
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Title: Re: custom longshot exhaust sound file Post by dasch on 03/25/09 at 07:03:49 DiamondJim, this was originally HD Dyna or Road King, straight pipe, with baffle. I shortened it by about 2 inches, packed with glass wool around the inner pipe and had the aluminum cap machined to hold everything in place. |
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Title: Re: custom longshot exhaust sound file Post by diamond jim on 03/25/09 at 07:23:03 Dasche, any way you can make a recording or it? For those of you making and installing a DIY longshot exhaust, don't forget about the exposed cables and rear brake cover boot that are located in the area near pipe by the swing arm pivot bolt. In stock form, the stock muffler has internal and external walls and, as a result, heat is not a big problem to these wires/boot cover. The DIY longshot does not. I don't know for sure if the extra heat would be a problem for the wires/boot but I didn't want to take any chances. I made a heat shield that sits between the pipe and frame. It's made from aluminum. I shaped it to follow the lines of the frame and swing arm and I polished it to match the lower engine. I used 3 mounting bolts that have the same size bolt head as the clutch cover bolts so it blends in. http://i255.photobucket.com/albums/hh128/russ_diamond_jim/dogbowls2-1.jpg Another alternative is to wrap that 10-11" area of the pipe with exhaust wrap then cover with a chrome heat shield. |
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Title: Re: custom longshot exhaust sound file Post by dasch on 03/25/09 at 10:31:12 Not sure what you mean by recording of it? The youtube link I posted above, if you wait a 30sec and crank up the volume has a pretty good capture of what it sounds like. Deep, bassy thump thump thump. Let me know what you want, I can reinstall the battery and record something specific if you want. |
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Title: Re: custom longshot exhaust sound file Post by diamond jim on 03/25/09 at 11:04:40 484D5F4F442C0 wrote:
Oops, that's right. Nevermind! Did you have to get video stuff/software to convert if to digital format? |
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Title: Re: custom longshot exhaust sound file Post by SimonTuffGuy on 03/25/09 at 11:38:10 Do you have a closer shot of the "heat shield" fabrication piece you made? |
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Title: Re: custom longshot exhaust sound file Post by diamond jim on 03/25/09 at 11:48:33 003A3E3C3D0726353514262A530 wrote:
I'll take some this afternoon and post. |
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Title: Re: custom longshot exhaust sound file Post by Gary On A Savage on 03/25/09 at 14:31:19 Jim, What did you end up baffling you pipe with? Did you buy one? |
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Title: Re: custom longshot exhaust sound file Post by diamond jim on 03/25/09 at 14:47:46 2224373C1A2A2B241A362433242220450 wrote:
I initially bought one and modded it. Then I made one. I found a steel pipe at a flea market with a wall thickness just a touch thinner than exhaust pipe steel and it slides into the pipe snug. Instead of the usual design with a bunch of little triangular tabs pushed into the center, I did 10 large tabs spaced about an inch apart. The pipe had a slightly narrowed section on each end. The front end is mounted in a steel pipe coupler with the inflow side tapered and center hole of 1.25". Essentially it acts like a tuned back pressure cone. The cone is really the only thing that provides any back pressure. The back end of the baffle is wide open. Imagine welding 10 progressively opposing triangles inside the pipe and that's what my baffle is like. It's mounted just after the 10 degree bend in the pipe. I didn't take a pic of it when I made and installed it. But it looks like this: http://i255.photobucket.com/albums/hh128/russ_diamond_jim/finishedbaffle-1-1.jpg |
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Title: Re: custom longshot exhaust sound file Post by dasch on 03/25/09 at 20:21:01 I used my mobile phone to record, than downloaded some free converter to convert file to .avi format. |
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Title: Re: custom longshot exhaust sound file Post by diamond jim on 03/27/09 at 08:09:31 655F5B59586243505071434F360 wrote:
Here's a pic on my puter already. The white square spot on the inside heat hield is a reflection of the light colored strip of header wrap underneath the exhaust heat shield clamp. I've since replaced it with a black piece. http://i255.photobucket.com/albums/hh128/russ_diamond_jim/dogbolws1-1.jpg |
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Title: Re: custom longshot exhaust sound file Post by thumperclone on 03/27/09 at 08:36:00 theres another brand out there also peacemakers i think guess one would tune for open mode and be a lil rich when closed?? there was a post here some time ago that had states bike laws va or nj cant remember where those pipes are a no no.. |
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Title: Re: custom longshot exhaust sound file Post by diamond jim on 03/27/09 at 21:46:40 223E233B263324353A393833560 wrote:
http://www.peacemakersexhausts.com/product.html |
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Title: Re: custom longshot exhaust sound file Post by Gary On A Savage on 03/28/09 at 00:19:27 617D607865706776797A7B70150 wrote:
I was wondering if lancer's VM carb setup with the dial-a-jet would adjust for the pipe change? |
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