The ads above are Google- sponsored. Fleischerhttp: //bmwmotorcycletech. A. Preface: There are quite a few parts to this very long article. I believe that LED headlamp conversions are NOT, at present, good for installation inside or in place of stock incandescent headlights/housings, nor for H4 headlights/housings. Later, it was discovered that filling the bulb with an inert gas such as argon or an argon- nitrogen mixture slows down evaporation of the filament. Tungsten atoms evaporating from the filament can be bounced back to the filament by gas atoms. The filament can be operated at a higher temperature with a fill gas than with a vacuum. This results in more efficient radiation of visible light. Some bulbs are still made with a vacuum because a fill gas would conduct heat away from the filament. The 12 Volt Shop is an innovator in solar power and DC appliances. Our product range includes solar panels (Uni-Solar, BP, Solarex, Kyocera, Siemens), regulators. Relays: WHY AND HOW TO UPGRADE YOUR HEADLAMP CIRCUIT By Daniel Stern with special assistance from Steve Lacker. Click here for a printer-friendly PDF version of this. Back 2007 BMW G650Xcountry *** Snooker's BMW G650 XCountry Links: *** *** An index of my personal notes for myself from forum threads, parts, accessories, vendors. Jump to Index. 1994 Ferrari 348 Spider (Spyder) You've got to drive this car! The Ferrari 348 Spider elicits waves, honks, stares, and constant calls from nearby. That conducted heat energy cannot be radiated by the filament & is lost, or wasted. This reduces the bulb's efficiency of producing radiation. The reason this occurs is beyond the scope of this article. These gases have larger atoms that are better at bouncing evaporated tungsten atoms back to the filament. These gases also conduct heat less than argon. Of these two gases, xenon is better, but more expensive. Either of these gases will significantly improve the life of the bulb, or result in some improvement in efficiency, or both. Often, the cost of these gases makes it uneconomical to use them. Headlight lamps, INCLUDING the /5 headlamps; relays and switches, ETC. BMW stock lamps are arguably quite decent for your bike; except for the UNconverted (that is, STOCK) early /5 headlight lamp & stock lens/reflector assembly. The /5 (and many non- USA cars of the era) used a lower power lamp, typically 4. IS vastly improved by upgrading the lamp, lens, and reflector to H4 halogen lamp items; by using the original BMW conversion kit parts (NO longer available); or, parts from an R6. Little known to many is that by using a 6. Halogen made by Osram, that lamp's particular construction and filament will work with the stock /5 reflector and lens. There IS a plastic adapter available, a ring with many notches, etc., that can be inserted into the /5 headlight, that allows common H4 lamps like the 9. HOWEVER, THIS IS a much less expensive method of obtaining a stronger light output. To find such an adaptor, search the Internet for something like this: P4. T to P4. 5T adaptor. Note that the light pattern, using the original /5 housing parts, especially the front glass, will not be the same as later models, but you may find the light beam to be quite adequate, and certainly with an H4 lamp element, it will be much brighter. International specifications are not the same for the H4 headlamps as for USA specifications. Halogen lamps should be run at 1. If you have a headlight modulator, that MAY actually increase lamp life, which is very different from any effect a modulator might have on a NON- halogen lamp. The below voltage versus light output is for a USA specification 9. I could not find the data in good format for the 9. Headlight lamps, INCLUDING the /5 headlamps; relays and switches, ETC. In some areas of the world they drive on. The Nissan Patrol 4x4 forum. Discuss Patrols, view Nissan Patrol Photos, and more. V : 5. 10 lumens. V : 5. 97 lumens. V : 6. 95 lumens. V : 8. 03 lumens. V : 9. 23 lumens. V : 1. 00. 0 lumens . At 8. 5%, about 1. HALF of normal light output!! There is an enormous amount of false advertising and hype from those selling aftermarket headlight lamps. The BMW- furnished or standard 5. Federal requirement) halogen H4 headlight lamps are similar to common type 9. BP1. 26. 0- H4 and generally equivalent to 9. HB2. You can do this conversion with ONE relay, if that relay is . Some use two relays. It is wired so as to totally bypass the headlight relay. Thus, just how you wire up your relay (s) is important.(7) Phillips makes what they call an Xtreme Power lamp, stock wattage, that puts out 1. The best 'nearly stock' H4 lamp I have found, to be used with stock or with one or two relays, is the Osram lamp 6. Blue- coated lamps, PIAA lamps, etc: The blue- coated lamps and other high priced trick lamps may SEEM brighter, but if you are riding for more than a few moments, or are in an oncoming car, you may think differently .. TOTALLY misleading. You may not like what you see (or, don't see..). Some manufacturer's will also change the guides and director metal bits inside the lamps and provide what you THINK is brighter light, but it is a different dispersal ... This is a good policy for any lamp. The /5 socket was 6. Hi/Lo/Ground is marked on the socket. Use appropriate lint- free cloth. The wattage rating of a lamp is the power INput to the lamp, and that power is directly proportional to HEAT. LED's (Light Emitting Diodes): Bright 1. LED lamps that fit the indicator sockets on some BMW motorcycle instrument pods are now available reasonably priced. Think before you modify! If your motorcycle has just one stock rear running lamp, and it fails, then you have NO light to the rear at all, unless you have running lamps that have been added. When a common incandescent lamp fails it is almost always because the filament broke from being thinned or stretched/sagged, all from usage, over a long period of time. You can generally identify a lamp that is close to dying as the filament is visibly sagging. This is particularly noticeable in the turn signals, taillight and braking lamps. Thus, regularly, you should visually inspect the lamps. The lamp filament wire has a far lower electrical resistance when cold, than when hot. Thus, at the instant the power is applied to the cold lamp filament, the 'inrush' current is very large, and the thinned or otherwise weakened area of the filament fails. The lamp MIGHT draw a large current at that time .. RARE instances, blow a fuse. This effect is FAR more prominent in higher voltage lamps, such as in your house, where the breaking is accompanied often by a bright flash of light due to the arcing (but seldom blows a fuse or circuit breaker). Use of proper types of HEADLIGHT modulators are legal in all States FOR MOTORCYCLES, and it is codified into Federal Law. At least this is so for American numbers. I thought I would let you read my version of this type of opinion, all- in- one- short- paragraph: Nerdy & contrarian. As tungsten atoms evaporate from the filament, a very small percentage of them are ionized by the small amounts of short- wave ultraviolet light being radiated by the filament, the electric field around the filament, or by free electrons that escape from the filament by thermionic emission. These tungsten ions are positively charged, and tend to leave the positive end of the filament and are attracted to the negative end of the filament. The result is that light bulbs operated on DC have this specific mechanism that would cause uneven filament evaporation. This mechanism is generally not significant, although it has been reported that light bulbs sometimes have a slight, measurable decrease in lifetime from DC operation as opposed to AC operation. In rare cases, AC may cause the filament to vibrate enough to significantly shorten its life. In a few other rare cases involving very thin filaments, the filament temperature varies significantly throughout each AC cycle, and the peak filament temperature is significantly higher than the average filament temperature. Thus, over- voltage application to lamps means a SHORT life. The over- all result is shorter lamp life, but not excessively less life. Yes, that IS true, but the effect is quite moderate. The voltage measured AT the rear brake lamp, or headlamp, or any lamp, is ALWAYS going to be a bit BELOW the measured BATTERY voltage, and probably a bit below the fairing voltmeter (if you have one of those) .. OR SLIGHTLY MORE. The area of DEcrease is generally at and below 1. DC (direct current.. REDUCE lamp life as was noted well above, it is just the amount of such reduction that is not well agreed- upon. It is UNclear if headlamps and other vehicle lamps are rated on AC or DC, and if this is arbitrary, or not, and by manufacturere Yes, this is peculiar, because most all vehicle lamps, not just headlamps, are designed for vehicles that certainly do not have AC systems driving the lamps. There are some rare exceptions .. Put yet another way, with a twist: if a lamp is used at its RATED DC voltage, one MIGHT, under ideal, non- vibratory, constantly left on, alternating current operation, obtain its average rated life (whether rated AC or DC). The reverse is true also, BUT the effect is FAR faster! This means that using a lamp with higher than rated voltage than actually supplied to it will reduce life VERY quickly. The measured LIGHT output of a lamp is affected only very slightly, by, example here, a 1. They can, if well- manufactured, last MUCH longer, and at hardly noticeable light reduction. Lamps USA- sold with Euro part number often perform BETTER than the American part number that is often substituted. Regarding the substitution of below 1. These lamps are called style T 3- 1/4 and are used at the tachometer, speedometer, turn signal indicator, GEN. A. C. You can also use the common 1. ARE functional in this alternator position (. There is an article on this website on adding a resistor in case the GEN lamp fails. Lamp failure usually prevents alternator output, or, requires very high rpm to initiate output. ANY of these bulbs will work adequately, the 1. GEN lamp, wherein you want charging at the lowest rpm point where charging begins. The 1. 15. 6 lamp is rated 1. A. C.) (you will NOT get that number of hours) .. BIT brighter .. you probably won't notice. The very common 1. OFFSET in distance from the base; one pin is lower and one higher than the other. Still, the brass bases give more problems, particularly with the K bikes which have sensitive bulb monitoring electronics. The two lamp sections are, generally, rated like this, or close enough (don't expect to GET the hours rating): (1) 1. CP, 1. 20. 0 hours. NOTE: some manufacturer's rate the 7. RUN) section as 0. P2. 1/5. W lamps are available at your autoparts store, part number 7. Eiko; or other mfr.
0 Comments
Leave a Reply. |
Details
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |