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Misc: Everything Else Lights


timetraveller

Well Known and Active Website User
VOC Member
Don't be surprised if you get flashed by oncoming traffic and note that their lights will almost certainly be brighter than yours. I would be very careful after dark with that light distribution.
 

Marcus Bowden

Well Known and Active Website User
VOC Member
My Sunbeam only has acetylene an if it gets dark I'll turn on my LED push bike lights that are better than the Vincent lights. but will try the acetylene
 

Bill Thomas

Well Known and Active Website User
VOC Member
It's on my 1929 Sunbeam...I'm not likely to have it out in the dark ;) :D
Fair enough John, But how is this stuff for sale , Without the black tape they need.
I was a MOT man, And I would Fail it !.
One of my Bikes just has a battery, I don't go out in the dark any more.
 

nkt267

Well Known and Active Website User
VOC Member
I think it will be better once it has been adjusted down a bit..but isn't the cut off governed by the lens..I must look at this cheapo indian headlamp again..Couldn't afford the genuine ones as they change hands a £500+ even the good copies are over £500..
 

vin998

Well Known and Active Website User
VOC Member
VOC Forum Moderator
The problem with LED headlight bulbs is they seem to be very sensitive to the focal point of the lens where as standard fillament bulbs are not. If the are in the wrong focal point then you can get all sorts of strange dip to main beam patterns or on one I tried I couldn't see any difference in beam shape at all, it just got brighter.

Simon
 

nkt267

Well Known and Active Website User
VOC Member
I'm waiting for some info from one of our Suffolk members who got an LED from a company in Devon..He reckons it's performance is better than a standard bulb and has good dip to the left and beam cutoff..
 

vibrac

Well Known and Active Website User
VOC Member
There is a company called Devon 4x4 who show lots of 7" led reflectors for land rovers is that a coincidence?
Lights are one area I need advice on I have enough trouble sorting 7" and 6-1/2" sizes out when they are mentioned here
 

Bill Thomas

Well Known and Active Website User
VOC Member
I am told, People who live in the New Forest, Drive on Main beam all the time, Because Cows stand still in the middle of the road ! :) , And you don't want to hit one of those.
 

bmetcalf

Well Known and Active Website User
VOC Member
As Churchill said, "Nothing in life is so exhilarating as to be shot at without result. " I can tell you that driving past a moose in the next lane at night at 60 mph is about the same.
 

mercurycrest

Well Known and Active Website User
VOC Member
A friend was riding home after visiting me on Exmoor when a red deer stag leapt out from the right and jumped diagonally over him leaving a muddy smear on his shoulder and helmet. He said that that was when he discovered that adrenaline is brown.
Come around a blind corner and meet a Herd of Roosevelt Elk... and you'll find it's not only brown, but has splotches of yellow in it!
 

Texas John

Well Known and Active Website User
Non-VOC Member
Vibrac - I was also confused about the headlamp sizes. In another thread, Simon kindly informed me that what is called the 6.1/2 inch Miller Headlamp on the Series C is the same as the 7 inch model used earlier (PR18/1), which is different from the 8 inch model (PR18) used on early Series B machines.
 

MartynG

Well Known and Active Website User
VOC Member
I have just received this from Mr Goff. Suitable for 6v, 12v and +/- earth. A sort of universal headlight. Rated at 30w. I have 240v 30w floodlights around my house and they are sharp and bloody bright. This globe (?) is called a Daylighter and I can't wait to try it on the kangaroos.
View attachment 29893View attachment 29895
OK Al, what about a report on the performance of the new Globe???
 

Albervin

Well Known and Active Website User
VOC Member
Martyn, it is for my Shadow which is 12v. I will put it into my 6v Rapide for a test. Just because you asked so nicely.
 

Albervin

Well Known and Active Website User
VOC Member
Vibrac - I was also confused about the headlamp sizes. In another thread, Simon kindly informed me that what is called the 6.1/2 inch Miller Headlamp on the Series C is the same as the 7 inch model used earlier (PR18/1), which is different from the 8 inch model (PR18) used on early Series B machines.
I would be interested to know if the only change required to convert a USA headlight back to "normal" is the rim and lens. Were the reflectors also different?
 

Albervin

Well Known and Active Website User
VOC Member
The focal point of a lamp is determined by the reflector. It is a parabola which has a fixed focus determined by a mathematical equation. You can change the depth of the globe in the reflector. A bit tricky and also a bit hit and miss. The lens merely sets the cut offs, forward, left and right. The upper and lower are set via the tilting of the headlight shell. I will try to measure the filament and LED distances and see if I can adjust. In reality I think this is a job for Magnetoman as I am a chemist and have been known to make smoke when smoke is not good.
 

Chris Launders

Well Known and Active Website User
VOC Member
I have a light on one of my bikes (not a Vincent) that is a spotlight reflector fitted with a twin filament bulb, to get it to work right I had to set up a rig so I could move the bulb in and out to get the sort of spread I wanted, I ended up about 2mm back from the mount, it's an interesting experiment to try on any reflector as a small change can make a considerable difference to the spread.
 

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