Is that advice for me or mazda? ;) So tape is out, I'm going to cut down the yogurt cup a bit and take more pictures as I go. I've got the OEM filter in it right now and I'll record it like that so there's something to compare to. After riding it with the K&N it feels kind of doggish with the old stopped up OEM filter.
-Kyle -Sent from Houston, TX, United States On Sat, Sep 5, 2009 at 3:07 PM, Dennis Hammerl <[email protected]> wrote: > My neighbor has one of those things sitting in his driveway... > Don't get all elaborate before you get it right the first time. I'd love > for someone to improve on it. Don't restrict the air, that's not the > purpose. The effect will be the same but it will cause a fall off above > whatever. ?? Think more along square inches. It's a fine line but decreasing > volume and restricting is not the same thing. Every time air enters a large > space it slows down. My idea is not to have any large empty spaces but the > right size intake tract. If I spend some time, I could come up with the > exact size in sq In . A high speed air mass has inertia. So... Have you seen > any of those trick after market truck intake systems ? Same idea. With a > bike, we don't have the luxury of space to work in. Have to change what we > have. > I recorded my 700 today. Have to edit and convert the file. Post it later > tonight. > > --- On *Sat, 9/5/09, Kyle Munz <[email protected]>* wrote: > > > From: Kyle Munz <[email protected]> > Subject: [Nighthawk Lovers] Re: dixie cup revisited > To: [email protected] > Date: Saturday, September 5, 2009, 9:33 AM > > > A buddy of mine (rx-7 driver) is suggesting I cut flaps and use two cups, a > smaller one inside a larger one so I'd have one for low speeds and another > for high speeds. Kind of like the complicated setup mazda had on it's 90s > rx-7s, the setup that killed that car in the american market. > I'm going to try trimming it down just a tad, I was also thinking about > possibly using varying amounts of tape across the opening of the cone? Would > that have the same effect? > > -Kyle > -Sent from Houston, TX, United States > > On Sat, Sep 5, 2009 at 12:19 AM, Dennis Hammerl > <[email protected]<http://mc/[email protected]> > > wrote: > >> I want to record my VF1100 too, a very nice sound. >> Shorten by about 1/2~3/4" I think your burble will still be there but >> there will be some changes. I have to look for some charts I have on the >> dynamics of carburation. It shows what is being used at different throttle >> openings. >> >> --- On *Sat, 9/5/09, Kyle Munz >> <[email protected]<http://mc/[email protected]> >> >* wrote: >> >> >> From: Kyle Munz <[email protected]<http://mc/[email protected]> >> > >> Subject: [Nighthawk Lovers] Re: dixie cup revisited >> To: >> [email protected]<http://mc/[email protected]> >> Date: Saturday, September 5, 2009, 12:56 AM >> >> >> I don't have any fancy recorders, just my mp3 player. I'll try putting the >> stock air filter back in and recording that at the same RPMs for something >> to compare to. >> I'll also try cutting the cup around the top to make it shorter, and >> narrower so it will go deeper into the cone. >> >> -Kyle >> -Sent from Houston, TX, United States >> >> On Fri, Sep 4, 2009 at 11:21 PM, Dennis Hammerl >> <[email protected]<http://mc/[email protected]> >> > wrote: >> >>> After looking closely at the photo and listening to the audio file, I >>> conclude the cup is too tall and blocking some of the inlet. Try a smaller >>> (shorter) example. I have to record mine and submit the file. Sounds way >>> different than yours. Unless the recording setup rolls off at the bottom. ?? >>> What did you use ? I'm going to use a portable studio cassette recorder and >>> convert to m...@160 BR It's a setup I used for broadcast FM years ago. >>> ('06) Studio grade mike and recorder. Our budget didn't stretch far enough >>> to use digital. >>> Check the jet sizes anyway. Leave no stone... or it it stoned ? >>> >>> >>> >>> >> >> >> >> >> >> > > > > > > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Nighthawk Motorcycle Lovers!" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/nighthawk_lovers?hl=en -~----------~----~----~----~------~----~------~--~---
