LOL make it a P700S! Sent via BlackBerry by AT&T -----Original Message----- From: Kurt Nolte <vturbine.po...@gmail.com> Sender: nighthawk_lovers@googlegroups.com Date: Mon, 13 Aug 2012 09:56:38 To: <nighthawk_lovers@googlegroups.com> Reply-To: nighthawk_lovers@googlegroups.com Subject: Re: [Nighthawk Lovers] The Great CB650SC update
You could put wings on your 700, you know. Would look good! Kurt On Aug 13, 2012 9:55 AM, "Kyle Munz" <kyle...@gmail.com> wrote: > I'm just trying to offer suggestions to expand your project ;) > > -Kyle > > > On Mon, Aug 13, 2012 at 8:50 AM, Kurt Nolte <vturbine.po...@gmail.com>wrote: > >> The 650 is just too big for a gyro, Kyle. That's the next project, based >> on a CB250 frame. :p >> >> Kurt >> On Aug 13, 2012 9:46 AM, "Kyle Munz" <kyle...@gmail.com> wrote: >> >>> I was trying to figure out where to mount the wings, or perhaps just >>> make a gyrocopter out of it? >>> >>> -Kyle >>> >>> >>> On Mon, Aug 13, 2012 at 7:09 AM, Kurt Nolte <vturbine.po...@gmail.com>wrote: >>> >>>> Teach me to send emails without looking. *DRIVESHAFT side, no aircraft. >>>> >>>> Going to go check out a machine shop on Wednesday before an optometry >>>> appointment, see what they'll run me to make the cuts and do the lathe >>>> work. >>>> >>>> Kurt >>>> On Aug 13, 2012 8:05 AM, "Kurt Nolte" <vturbine.po...@gmail.com> wrote: >>>> >>>>> I thought on it some more, and with the sleeves I plan to use I can >>>>> get away with really simple cuts on each side of the swingarm. The sleeve >>>>> on the aircraft driveshaft side will take care of the lip. >>>>> >>>>> Then it's a matter of getting the sleeves turned down and one bushing >>>>> in the rear needs a slope cut into it. >>>>> >>>>> Shouldn't be expensive. >>>>> >>>>> Kurt >>>>> On Aug 13, 2012 7:50 AM, "Allen Thomas" <althomas...@gmail.com> wrote: >>>>> >>>>>> ** >>>>>> Man you're in deep, good luck with it. >>>>>> Sent via BlackBerry by AT&T >>>>>> ------------------------------ >>>>>> *From: * Kurt Nolte <vturbine.po...@gmail.com> >>>>>> *Sender: * nighthawk_lovers@googlegroups.com >>>>>> *Date: *Sun, 12 Aug 2012 14:13:21 -0400 >>>>>> *To: *<nighthawk_lovers@googlegroups.com> >>>>>> *ReplyTo: * nighthawk_lovers@googlegroups.com >>>>>> *Subject: *Re: [Nighthawk Lovers] The Great CB650SC update >>>>>> >>>>>> Update minus pictures, the camera's still in the garage all set up. >>>>>> I'll get pictures later once I have time to resize them and >>>>>> >>>>>> The left side pivot bolt takes a 14mm allen bit. The right side is a >>>>>> 10mm allen, and a 23/24mm or 1" deep socket can be cut down to make the >>>>>> tool for the locking nut. I cut down a gearwrench 23mm deep 3/8" drive >>>>>> socket, using a 1.25" speedbor bit and some scrap wood to make a template >>>>>> to align the keys. They're ~10mm wide and located at an easy 90* from >>>>>> each >>>>>> other: four lines on a square of wood, drill down the middle, cut off the >>>>>> 6-point section of the bit to get to the meatier part of the socket, mark >>>>>> and cut. Freehanded it well enough with an angle grinder and a cutoff >>>>>> wheel. >>>>>> >>>>>> When I got the two swingarms out and side by side, there was an >>>>>> immediate issue: the Sabre swingarm is ~1.5" wider at the pivot than the >>>>>> CB650 swingarm. HOWEVER, the Nighthawk arm does not butt against the >>>>>> frame >>>>>> on both sides; actual clearance difference is closer to 1/4" rather than >>>>>> the 1"+ the width difference suggests, especially once the step is >>>>>> accounted for on the Nighthawk arm. >>>>>> >>>>>> The bearing diameters are different, that was obvious; the Nighthawk >>>>>> uses NSK 30202 bearings (15x35x11.75mm bore diameter X outer diameter X >>>>>> depth) while the Sabre uses 30203J bearings (17x40x12mm). There is also >>>>>> not >>>>>> enough thickness to the Sabre arm tube to machine the step on the shaft >>>>>> side, though there is PLENTY of depth on the brake side to cut down for >>>>>> clearance. >>>>>> >>>>>> Given my original intention to leave the Nighthawk frame intact, only >>>>>> adding tabs and not cutting any part of the frame, I have a plan. I'm >>>>>> going >>>>>> to have the Sabre swingarm cut to make clearance, then I will fit a steel >>>>>> sleeve bushing into each side, sized to allow me to continue using >>>>>> Nighthawk bearings, seals and grease retainers. Since I am not increasing >>>>>> the weight of the bike in any significant way, these will be fine. These >>>>>> sleeves will allow me to machine the step on the driveshaft side, and >>>>>> give >>>>>> me some additional thickness on the brake side. >>>>>> >>>>>> A stock Nighthawk right side pivot bolt can easily be cut down and >>>>>> machined to accept the closer frame, and should actually be stronger for >>>>>> it >>>>>> with less lever arm. >>>>>> >>>>>> Sleeving to use the Nighthawk bearings allows me to use stock, >>>>>> readily available bearings and seals. Using the bearing codes means >>>>>> they're >>>>>> ~$16/each versus $45+ at a motorcycle site or dealer, and this isn't >>>>>> "direct from China" pricing either; that's $3 each. Not worth it to me, >>>>>> I'd >>>>>> rather have "Made In Japan," "Made In Germany," or "Made In USA" on my >>>>>> bearings. >>>>>> >>>>>> My ONLY concern with this is the difference in tube centerlines for >>>>>> the driveshaft tubes. The Nighthawk arm has a tube centerline, measured >>>>>> from the flat outer face of the bearing tube, of 1.7". The Sabre >>>>>> swingarm, >>>>>> measured similarly, is 2.4", for a difference of .7". >>>>>> >>>>>> I obtained these centerlines by clamping a straight edge to the >>>>>> bearing face on the outside of the swingarm, then measuring to a straight >>>>>> edge held against each wall of the driveshaft tube. There may be an issue >>>>>> with my methodology. 1.7" does not appear to put the driveshaft universal >>>>>> joint in any danger of scraping or rubbing on the outside of the Sabre >>>>>> swingarm tube, though that .7" difference does mean that the joint will >>>>>> be >>>>>> operating at a bit of an angle. Are there shims I can remove to move the >>>>>> angle drive closer to the transmission before we enter the swingarm? I am >>>>>> also going to try getting a little bit of material taken from the Sabre >>>>>> arm >>>>>> to reduce that distance, but I can't take more than a 1/4" that way, IF >>>>>> that. Will still leave me nearly 1/2" out of alignment, but only on the >>>>>> driveshaft tube centerlines, not necessarily the the driveshaft itself. >>>>>> >>>>>> Looking at the way the driveshaft sits in the Nighthawk tube with the >>>>>> final drive case installed, it rides really close to the edge of the tube >>>>>> anyway rather than down the centerline. The Sabre has an extra .4" of >>>>>> clearance on that side (1" even from outer face to inner tube wall vs. >>>>>> Nighthawk's 1.4"). I think I'll be fine. >>>>>> >>>>>> On a non-swingarm (or perhaps tangentially related) I will be >>>>>> building a bracket to move the rear brake pedal assembly 1/2" further >>>>>> from >>>>>> the frame. This will let me mount the rear master cylinder where it won't >>>>>> interfere with the swingarm's movement, and looking at where the footpad >>>>>> ends up it won't be a problem for my big foot. >>>>>> >>>>>> Any thoughts, ideas, questions so far? >>>>>> >>>>>> -Kurt >>>>>> >>>>>> -- >>>>>> You received this message because you are subscribed to the Google >>>>>> Groups "Nighthawk Motorcycle Lovers!" group. >>>>>> To post to this group, send email to >>>>>> nighthawk_lovers@googlegroups.com. >>>>>> To unsubscribe from this group, send email to >>>>>> nighthawk_lovers+unsubscr...@googlegroups.com. >>>>>> For more options, visit this group at >>>>>> http://groups.google.com/group/nighthawk_lovers?hl=en. >>>>>> >>>>>> -- >>>>>> You received this message because you are subscribed to the Google >>>>>> Groups "Nighthawk Motorcycle Lovers!" group. >>>>>> To post to this group, send email to >>>>>> nighthawk_lovers@googlegroups.com. >>>>>> To unsubscribe from this group, send email to >>>>>> nighthawk_lovers+unsubscr...@googlegroups.com. >>>>>> For more options, visit this group at >>>>>> http://groups.google.com/group/nighthawk_lovers?hl=en. >>>>>> >>>>> -- >>>> You received this message because you are subscribed to the Google >>>> Groups "Nighthawk Motorcycle Lovers!" group. >>>> To post to this group, send email to nighthawk_lovers@googlegroups.com. >>>> To unsubscribe from this group, send email to >>>> nighthawk_lovers+unsubscr...@googlegroups.com. >>>> For more options, visit this group at >>>> http://groups.google.com/group/nighthawk_lovers?hl=en. >>>> >>> >>> -- >>> You received this message because you are subscribed to the Google >>> Groups "Nighthawk Motorcycle Lovers!" group. >>> To post to this group, send email to nighthawk_lovers@googlegroups.com. >>> To unsubscribe from this group, send email to >>> nighthawk_lovers+unsubscr...@googlegroups.com. >>> For more options, visit this group at >>> http://groups.google.com/group/nighthawk_lovers?hl=en. >>> >> -- >> You received this message because you are subscribed to the Google Groups >> "Nighthawk Motorcycle Lovers!" group. >> To post to this group, send email to nighthawk_lovers@googlegroups.com. >> To unsubscribe from this group, send email to >> nighthawk_lovers+unsubscr...@googlegroups.com. >> For more options, visit this group at >> http://groups.google.com/group/nighthawk_lovers?hl=en. >> > > -- > You received this message because you are subscribed to the Google Groups > "Nighthawk Motorcycle Lovers!" group. > To post to this group, send email to nighthawk_lovers@googlegroups.com. > To unsubscribe from this group, send email to > nighthawk_lovers+unsubscr...@googlegroups.com. > For more options, visit this group at > http://groups.google.com/group/nighthawk_lovers?hl=en. > -- You received this message because you are subscribed to the Google Groups "Nighthawk Motorcycle Lovers!" group. 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