New project " Belgium IRENE"
- Roger Gwynn
- Holder of a Golden Anorak

- Posts: 1988
- Joined: Tue May 28, 2013 11:34 am
- Location: Norwich, UK
- Contact:
Re: New project " Belgium Siren"
There are 520 bikes with W/NG frames listed on the register, 29 are Navy, 53 RAF, some will have other engines fitted and a few will look nothing like W/NG.
Roger Gwynn, caretaker of the club's works drawings and machine register, membership secretary 2015-26. Director of AOMCC, Draganfly Motorcycles, Craven Equipment and Supreme Motorcycles mostly retired.
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Prestone.M
- Posts: 20
- Joined: Mon Jan 12, 2026 6:51 am
- Contact:
- Vincent.vanGinneke
- Holder of a Platinum Anorak

- Posts: 4834
- Joined: Sat Apr 09, 2011 12:14 am
- Location: "The Dutch Branch"
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Re: New project " Belgium Siren"
Please use this forum's way of showing pictures!
Below you see 'Full editor & preview'
click on that .
Below this field you see 'Options' and 'Attachments'
click on Attachments.
Now a small field opens that says :
If you wish to attach one or more files enter the details below. You may also attach files by dragging and dropping them in the message box.
click on 'Add files'
this opens all the files in your pc (with a Apple I dont know but I presume it works similar)
Go to the file you want, select it and click on 'Open' in the low right hand corner.
Thanks.
Below you see 'Full editor & preview'
click on that .
Below this field you see 'Options' and 'Attachments'
click on Attachments.
Now a small field opens that says :
If you wish to attach one or more files enter the details below. You may also attach files by dragging and dropping them in the message box.
click on 'Add files'
this opens all the files in your pc (with a Apple I dont know but I presume it works similar)
Go to the file you want, select it and click on 'Open' in the low right hand corner.
Thanks.
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Prestone.M
- Posts: 20
- Joined: Mon Jan 12, 2026 6:51 am
- Contact:
Re: New project " Belgium Siren"
Vincent,
it's really very interesting to look at the details in the photos.
Two photos caught my eye:
The Ariel with the tank number C4694544.
By relating the numbers to the frame/tank at the start of the contract,
my "Siren" would be the 59th.
In theory, its tank number would be C4692958.
It should have this final configuration, correct?

The other photo is one used by an American; it's the first time I've seen a British vehicle bearing the typical X marking on "parasite" vehicles of the American army.

it's really very interesting to look at the details in the photos.
Two photos caught my eye:
The Ariel with the tank number C4694544.
By relating the numbers to the frame/tank at the start of the contract,
my "Siren" would be the 59th.
In theory, its tank number would be C4692958.
It should have this final configuration, correct?

The other photo is one used by an American; it's the first time I've seen a British vehicle bearing the typical X marking on "parasite" vehicles of the American army.

- simon.holyfield
- Holder of a Platinum Anorak

- Posts: 5174
- Joined: Mon Oct 17, 2011 11:16 pm
- Location: Norfolk
- Contact:
Re: New project " Belgium Siren"
I'm afraid you can't relate tank numbers to frame numbers in that way - we know that tank numbers were applied around the time of dispatch, after the machines were built. It is very clear in the dispatch books that the frame numbers are anything but sequential and adjacent machines in the books can be hundreds of frames apart.
cheers
Simes
Machine Registrar (registrar@arielownersmcc.com)
'51 Square Four,
'58 Huntmaster,
'42 W/NG,
'30 Model A
https://ariel-square-four.blogspot.com
Simes
Machine Registrar (registrar@arielownersmcc.com)
'51 Square Four,
'58 Huntmaster,
'42 W/NG,
'30 Model A
https://ariel-square-four.blogspot.com
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Prestone.M
- Posts: 20
- Joined: Mon Jan 12, 2026 6:51 am
- Contact:
Re: New project " Belgium Siren"
Okay, so there's no logic to it.
For the registration number, ideally the tolerance should be within 100.
For the registration number, ideally the tolerance should be within 100.
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Prestone.M
- Posts: 20
- Joined: Mon Jan 12, 2026 6:51 am
- Contact:
Re: New project " Belgium Siren"
okayVincent.vanGinneke wrote: Sun Feb 08, 2026 7:51 am Please use this forum's way of showing pictures!
Below you see 'Full editor & preview'
click on that .
Below this field you see 'Options' and 'Attachments'
click on Attachments.
Now a small field opens that says :
If you wish to attach one or more files enter the details below. You may also attach files by dragging and dropping them in the message box.
click on 'Add files'
this opens all the files in your pc (with a Apple I dont know but I presume it works similar)
Go to the file you want, select it and click on 'Open' in the low right hand corner.
Thanks.
I'm going to try this method.
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Prestone.M
- Posts: 20
- Joined: Mon Jan 12, 2026 6:51 am
- Contact:
Re: New project " Belgium Siren"
Vincent ,
Is correct method ?
Is correct method ?
- Vincent.vanGinneke
- Holder of a Platinum Anorak

- Posts: 4834
- Joined: Sat Apr 09, 2011 12:14 am
- Location: "The Dutch Branch"
- Contact:
Re: New project " Belgium Siren"
Yes, thank you!
And your frame looks very good, all the original brackets look to be present.
Keep us informed about the progress please !
And your frame looks very good, all the original brackets look to be present.
Keep us informed about the progress please !
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Prestone.M
- Posts: 20
- Joined: Mon Jan 12, 2026 6:51 am
- Contact:
Re: New project " Belgium Siren"
On the front fender, on the outside, there are license plate brackets.
Inside, other holes have been filled.
My question: which part is still usable? The existing brackets? The four filled holes? Or neither?
Inside, other holes have been filled.
My question: which part is still usable? The existing brackets? The four filled holes? Or neither?
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