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21
Unusual Microcar Discussion / Re: A mine of mis-information!
« Last post by DaveMiller on October 23, 2014, 09:38:17 PM »
Actually, what the "politicians*" were doing was quite sensible: to settle on a simply-quantified system of taxing a larger-engined vehicle more than a smaller-engined one.

Doing so by actual power output would be argumentative and uwieldy.

What was ridiculous was to call it 'horsepower'!

[*In the UK, anyway, a decision on the practical implementation of the desire for a taxation system would have been a government department, rather than political, matter.]
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Unusual Microcar Discussion / Re: A mine of mis-information!
« Last post by richard on October 23, 2014, 08:25:18 PM »
hi steven don't get the impression the Royal Automobile Club , RAC , are politicians . Whilst i don't know the background to this issue I imagine the government took a rating as used by the RAC already or asked them to come up with a scale . I think it fair to assume the RAC were " non political " though
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Unusual Microcar Discussion / Re: Prefocus LED headlight conversion
« Last post by AndyL on October 23, 2014, 08:15:21 PM »
The mod is designed to be backwards compatible e.g. you could just change them out for normal filament lamps.

Why am I doing this? It's not the challenge or the desire for better lighting. My Isetta is going to be fuel injected, and that means power needs to be found for the fuel pump and Lambda sensor. These combined draw about 40-60 watts.

So that's why I've gone to all this trouble. I guess the efi could be construed as a challenge- I wanted to learn more about modern fueling and ignition systems. I built up a Megasquirt (silly name I know, but a good product) engine management unit sometime ago, and also collected efi parts from a Peugeot Jetforce scooter, which included a throttle body (made by Bing!) injector and fuel pump.

My plan is to put the fuel pump in a swirl pot and have that gravity fed from the tank.





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Unusual Microcar Discussion / Re: A mine of mis-information!
« Last post by steven mandell on October 23, 2014, 08:13:16 PM »
Here in the US the only variations on horsepower quoting are based on actual conditions of performance, i.e. with or without power robbing accessories, or measured on a dyno vs. at the rear wheels.
there is also a nod to DIN  horsepower which gives only slightly different figures, and may have some basis in German convention.
By and large, we don't let our politicians wreak havoc on our beloved horsepower ratings. ;)
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Unusual Microcar Discussion / Re: Prefocus LED headlight conversion
« Last post by plas man on October 23, 2014, 07:44:39 PM »
I don't plan to make them available for sale, if that was what you're referring to. Quite happy to share information on suppliers and what to buy for those that want to take a crack at them themselves.

Thanks Andy (it was a hint  :() , not that i do much night driving now a days , it'll stick to my BPF 24/24w headlights . though it might be wise to make a spare set(s) for your self - just in case one blow's .


Alan
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Unusual Microcar Discussion / Re: Prefocus LED headlight conversion
« Last post by richard on October 23, 2014, 07:22:27 PM »
I admit it I am a dinosaur ! my only real long distance experience of long distance night time micro driving was yonks ago . Back in the 90's i drove to Bob Parrys Shrewsbury Pub Night . January heavy frost , i remember the screen washer bottle being frozen solid , left after work and returned very late after the pub shut . 60 miles of very bendy country roads between here and there , pitch black country roads , hardly even a stretch of dual-carriageway , so 120 mile round trip and no problem at all . Are Heinkel/Trojans lights just that good or what ? Do you really need these or they just  the challenge of the project ? Seriously fascinating as it is .
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Unusual Microcar Discussion / Re: Larmar leaves
« Last post by Big Al on October 23, 2014, 06:37:04 PM »
Stuart has them. I tend not to do the picture thing since I was there when it happened.
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Unusual Microcar Discussion / Re: Prefocus LED headlight conversion
« Last post by AndyL on October 23, 2014, 06:36:57 PM »
I don't plan to make them available for sale, if that was what you're referring to. Quite happy to share information on suppliers and what to buy for those that want to take a crack at them themselves.
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Unusual Microcar Discussion / Re: A mine of mis-information!
« Last post by Bob Purton on October 23, 2014, 05:43:06 PM »
Errr yes, letting American politicians play physicist!  ;)
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Unusual Microcar Discussion / Re: Villiers 9e start up
« Last post by plas man on October 23, 2014, 04:19:30 PM »
try not touching the choke but foot hard down on accelerator - wind Siba up - you may be lucky.

the butterfly choke , the screw that holds butterfly make sure its tight  (centre pop the thread that pokes out) it can come out - and get sucked in and cost you a re-bore & piston.

Thanks Alan. I haven't heard that before about the screw coming loose. Well worth knowing!

if it happens to a Bond/Villiers its happened to me - the MkD is full of mod's - the throttle slide only goes in one way , notch on top of carb body , screw on side of carb for grove in slide , needle length 1.95 , mixture screw start at 1 and half turns out . (try not to use ammal carb for road use , no cutaway for tick over - you have to use cable adjuster - hence no pet/roil lube on down hill over run )

Alan 
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