Time warp M100 - Chassis number 30

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Re: Time warp M100 - Chassis number 30

Postby Specky » Thu 30.07.2020, 11:51

Whoop whoop...

The hood release is on the side... if you require a pattern to enable you to manufacture the Items... you know who to call :D

Could you remove the silver panel next to the fuel tank... there may be writing on the back... I.B.7.?

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Re: Time warp M100 - Chassis number 30

Postby tb10 » Thu 30.07.2020, 15:42

Hi Specky,

OK, I see how the stowage hood locks in now!

I have taken the panel off and there are no markings.

I have also taken more photos of the black cylinder in the stowage compartment and it is clearly measuring something to do with fuel and the weight of possible deposits? It details two dates in April 1990 with the mileage at the time of weighing?

Photos later.

Andy in Lotus archives has also emailed to confirm:

"It could have been some sort of development car as certain European cars had catalyst like Switzerland, Germany and they had the same number 2 in the VIN for emission spec. Being an engineering car I am unlikely to have records as generally only production road cars records would be kept, and engineering cars were generally intended to be scrapped."

It doesn't explain the airbag and US bumper though but I'm not sure if i told him that?

Thoughts?

regards

John
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Re: Time warp M100 - Chassis number 30

Postby tb10 » Fri 31.07.2020, 01:12

OK, the photos re the black cylinder show that this component, whatever it is, was apparently fitted "new" and weighed 407grams on the 4th April 1990 and it is recorded on the cylinder that the car had covered 4121 miles.

On the 25 April 1990, the cylinder weighed 433grams and the car had covered 5032 miles.

Clearly, I am guessing that the units are grams and miles but what is being measured? The cylinder appears to be something to do with the fuel system, or perhaps part of the fuel return pipe, but I could be wrong. Has anyone seen anything like this? Does anyone know what it is? Also, what were they working on so late after launch to require ongoing development?

I have also looked for any more markings on the car and I cannot see any.

Was this car a PP or IB car or simply, as I am led to believe, an initial test mule slotted into the PP/IB development side?

Photos are here

regards

John
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Re: Time warp M100 - Chassis number 30

Postby Simon_P » Fri 31.07.2020, 08:10

Looks like the black thing is the charcoal cannister for the evaporative emissions.

The picture of the hole in the B panel is interesting but the release leaver that you've cut in the picture may be more interesting as these are moulded into the panel.

It looks like there was once some writing on the silver panel.
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Re: Time warp M100 - Chassis number 30

Postby Rambo » Fri 31.07.2020, 08:18

Simon_P wrote:Looks like the black thing is the charcoal cannister for the evaporative emissions.

The picture of the hole in the B panel is interesting but the release leaver that you've cut in the picture may be more interesting as these are moulded into the panel.

It looks like there was once some writing on the silver panel.


Maybe the 407g (just under 1lb in old money) refers to the total weight of the black canister + charcoal granules ?

Not sure about the silver panel. At first I thought there had been something written on it or stuck on it but not so sure now :smt017
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Re: Time warp M100 - Chassis number 30

Postby Rambo » Fri 31.07.2020, 08:24

Oh, hang on a minute. I see John has posted some new photos of everything. I'll have a look later. Some of us have to go to work to scratch a living :lol:
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Re: Time warp M100 - Chassis number 30

Postby Specky » Fri 31.07.2020, 09:48

Bit busy at the moment...

The rear hood is side opening... but a later design... (the scallops are Production standard) which would place it about I.B.4/5/6/7 ish

The car looks like it was the second car on the UK Federal trial with I.B.10... Fed engine, Trial ECU and Evap unit

I’ll write some more over the weekend, gotta go to work...

Hood photograph to follow

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Re: Time warp M100 - Chassis number 30

Postby Specky » Fri 31.07.2020, 09:58

D751B917-1DDB-4CA1-B453-DB21E5BA2AD2.jpeg


Early hood cover... different scallops

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Re: Time warp M100 - Chassis number 30

Postby GeoffSmith » Fri 31.07.2020, 10:07

Simon_P wrote:Looks like the black thing is the charcoal cannister for the evaporative emissions.

Recording the weight gain over time makes sense as determining how much fuel builds up is important in determining the timing of the purge system.
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Re: Time warp M100 - Chassis number 30

Postby tb10 » Fri 31.07.2020, 10:07

Specky wrote:
Early hood cover... different scallops

TTFN


I love the fact they’re using the conference chairs to work on! :shock: A bit like working in the kitchen at home (but don’t tell the wife!)
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Re: Time warp M100 - Chassis number 30

Postby GeoffSmith » Fri 31.07.2020, 10:09

tb10 wrote:
Specky wrote:
Early hood cover... different scallops

TTFN


I love the fact they’re using the conference chairs to work on! :shock: A bit like working in the kitchen at home (but don’t tell the wife!)


Castle Combe conference room chairs. You should have been there!
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Re: Time warp M100 - Chassis number 30

Postby tb10 » Fri 31.07.2020, 10:11

GeoffSmith wrote:
Simon_P wrote:Looks like the black thing is the charcoal cannister for the evaporative emissions.

Recording the weight gain over time makes sense as determining how much fuel builds up is important in determining the timing of the purge system.


Ahh ok; I assume this explains everything?
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Re: Time warp M100 - Chassis number 30

Postby Simon_P » Fri 31.07.2020, 10:59

The WSM explains how it all works. As Geoff says weighing it and recording the intervals makes sense.

Specky wrote:Early hood cover... different scallops
surely that's prototype cover with bits cut out!
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Re: Time warp M100 - Chassis number 30

Postby Rambo » Sat 01.08.2020, 09:29

Major anorak alert...

On 04/04/90 the canister plus charcoal weighed 407g @ 4121 miles

On 25/04/90 the canister plus charcoal weighed 433g @ 5032 miles

Therefore, after 21 days and 911 miles the canister plus charcoal had gained 26g due to evaporative emissions
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Re: Time warp M100 - Chassis number 30

Postby Rambo » Sat 01.08.2020, 09:38

As for the silver panel cover, I've studied the photo's again and I can't see any evidence of writing or engraving. Plenty of scratches for sure but nothing tangible. Verso, not much either save for a few scatches and 30 years of fine black dust. Looks like there are fingerprints bottom RHS. Probably John's when he removed the cover a few days ago :lol:

Anorak alert over for now :wink:
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Re: Time warp M100 - Chassis number 30

Postby tb10 » Sat 01.08.2020, 10:05

Rambo wrote:As for the silver panel cover, I've studied the photo's again and I can't see any evidence of writing or engraving. Plenty of scratches for sure but nothing tangible. Verso, not much either save for a few scatches and 30 years of fine black dust. Looks like there are fingerprints bottom RHS. Probably John's when he removed the cover a few days ago :lol:

Anorak alert over for now :wink:


Agreed save for the last sentence..... that’ll never happen! :-D
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Re: Time warp M100 - Chassis number 30

Postby tb10 » Sun 02.08.2020, 19:49

The mystery continues....

I've had a good look over the car today to see if I can find any more clues. There is a distinct lack of writing on the car as can be seen from the instrument binnacle in the photo found here as there is also nothing at all on the doors, in the boot or on any other panels I have looked at so far. I have lifted the sill trim and the carpet is bonded down with some serious glue so no lifting of that any time soon. There is no writing under the sill trim itself either :(

However, what I found in the boot is the car's wiring loom with Lotus Engineering on and a date of 18 July 1989 and a part number of A100M0004. Googling that part number fails to provide any results save for a mathematical calculation. Any ideas?

Also, as much as I tried (especially for Geoff), I failed to find the anorak but there was a lovely, freshly washed, cover put over the car - it's a car-sized anorak maybe?

:lol:

John
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Re: Time warp M100 - Chassis number 30

Postby GeoffSmith » Sun 02.08.2020, 20:34

C100M0004F is "Harness, rear - prior to VINR6001"
D100M0004F is "Harness, rear - from to VINR6001"
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Re: Time warp M100 - Chassis number 30

Postby GeoffSmith » Sun 02.08.2020, 21:03

The name is Ivan Kemp, one of the Lotus electrical team.
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Re: Time warp M100 - Chassis number 30

Postby Brit-Car-Nut » Sun 02.08.2020, 23:06

GeoffSmith wrote:C100M0004F is "Harness, rear - prior to VINR6001"
D100M0004F is "Harness, rear - from to VINR6001"

Every time Lotus makes a change to a part or switches to a different supplier, they change the prefix but keep the core number the same.

That way, you can usually tell the approximate vintage/age of any part. The oldest parts book I have started with C100M0004F, so there were 2 prototype versions before production went int full swing.

The "C" version was replaced with the "D" version on June 14, 1996. It was probably a change in supplier more than a change in design.
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