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Re: SD owners and buyers guide

Posted: Tue Mar 22, 2016 8:51 am
by Collector Inspector
High Amal?

No interest so will mention again in more detail.

The page in the guide with Copper Fuel Tube and Brass inlet.........shows a "High Amal".

The pic following in the post SD10382L4.........shows a "High Amal".

Hi Amal bowls are either on complete or with the part motors I have.....

Numbers:

SD6226L3
SD 9588L4
SD4726L3
SDP11287
SD7362?3

The next youngest AC17964 has "Low Amal".....and everything after that that I have.

See below.

22032016016.jpg
22032016018.jpg
Maybe this should be included?

BnC[/color]

Re: SD owners and buyers guide

Posted: Tue Mar 22, 2016 9:16 am
by Hugz
The both look 2 5/8th" to me. Can you do a drawing showing the measurements so I can have a better understanding of your synopsis? Thanks ..

Re: SD owners and buyers guide

Posted: Tue Mar 22, 2016 9:21 am
by Collector Inspector
Hugz wrote:The both look 2 5/8th" to me. Can you do a drawing showing the measurements so I can have a better understanding of your synopsis? Thanks ..
I actually do not know what to say to that Hugo........

:shock:

BnC

Re: SD owners and buyers guide

Posted: Tue Mar 22, 2016 10:35 am
by Collector Inspector
AusOB_Collector wrote:Well

While we're on the topic of SD's, I thought this video on youtube may be of some use to you Oyster - a very nice original SD with the stenciling still visible on the exhaust tube, and doesn't seem to have been played with too much...
And a very good guide, a pleasure to read.

https://www.youtube.com/watch?v=2U5Rm-fREDc


Cheers
BP
Well it is a "Seagull" and some of it is what is left of an SD. Many newer bits etc.

I can only mention that how the replacement ignition (Flywheel) stayed on during that vid astounds me?

At the end you can hear and see how different crankshaft / flywheel taper tends to be somewhat wobbly.

The actual clutch operation defies all instructions and ...............logic?

Boyd.......do not just grab from Youtube and "Present"

Just saying is all....

They should just do chainsaws aye.

BnC

Re: SD owners and buyers guide

Posted: Tue Mar 22, 2016 10:41 am
by AusOB_Collector
Boyd.......do not just grab from Youtube and "Present"

Just saying is all....
B

I had previously seen that vid more than a year ago, and it crossed my mind while reading through this thread, and so just found it a posted it without re-watching it...
by headdownarseup ยป Tue Mar 22, 2016 5:27 am

"Little model 40's" should be fairly easy to work out from Jeremy's list already produced. Takes some careful reading i know.
SJM/SJP motors are already a work in progress with young Boyd. Keen to see how he's getting on with these.
Jon,

Well progress has been made; 6 full SJP entries, no SJM's yet... Am still figuring out how I can distinguish between transom bracket changes on the data list (everything else is figured out).
Certainly a work in progress; and as many people have stated, there were many thousands of SJPs & SJMs made, but it all comes down to how many people are willing to give the data of their motor.

Cheers
BP

Re: SD owners and buyers guide

Posted: Tue Mar 22, 2016 10:47 pm
by Adrian Dale
Back to the carb BnC, all my AD's are the low version, I have not seen an example of the high one, clearly it was a different die. so was thebowl with the high lettering only fitted to the SD's and what of the bronze variant? do they also have lettering?

Couple of things to confirm making it easier to date carb variants

AJ

Re: SD owners and buyers guide

Posted: Tue Mar 22, 2016 11:20 pm
by Hugz
Now I'm with you. It is about the writing on the bowl. I was thinking of something more profound.
amal carb bowl.JPG

Re: SD owners and buyers guide

Posted: Tue Mar 22, 2016 11:50 pm
by headdownarseup
Could this be a throwback from something earlier i wonder! From a different amal carb perhaps?

They look more correct against the earlier type 46n's to me.
Slight change to the casting perhaps or different supplier maybe? They still fit together as normal.


Jon

Re: SD owners and buyers guide

Posted: Wed Mar 23, 2016 12:13 am
by Hugz
The brass body is different again!
amal brass.JPG

Re: SD owners and buyers guide

Posted: Wed Mar 23, 2016 12:21 am
by Hugz
Amal still have spares! Including union and nipple...

http://amalcarb.co.uk/other-amal-carbs/type-46.html

Re: SD owners and buyers guide

Posted: Wed Mar 23, 2016 2:11 am
by Keith.P
I don't think spares are ever going to be a problem.

Re: SD owners and buyers guide

Posted: Wed Mar 23, 2016 9:04 am
by Collector Inspector
Hugz wrote:Now I'm with you. It is about the writing on the bowl. I was thinking of something more profound.
amal carb bowl.JPG

Thank you Hugo sadly nothing profound just...........Smoke?

8)

Now do we have a high and low to be added to this madness gents?

BnC

Re: SD owners and buyers guide

Posted: Wed Mar 23, 2016 1:29 pm
by Oyster 49
It's certainly taking purism to new heights!

Re: SD owners and buyers guide

Posted: Wed Mar 23, 2016 4:59 pm
by Keith.P
You ain't seen nothing yet. :lol:

So this is the old style carb, with the higher logo, more brass and no throttle stop casting.
untitled.164.png
And this is a later style, notice the addition of the throttle stop casting on the later carb, unused as the seagull does not need it.
untitled.158.png
I maybe right or I maybe wrong.

Too much time on my hands. :roll:

Re: SD owners and buyers guide

Posted: Wed Mar 23, 2016 7:44 pm
by headdownarseup
Not trying to be too "anoraky" here Keith, but dont the brass/bronze float bowl covers have a hex-head fitting for un-screwing and tightening the top cover?
Mine has!
The ally ones just have a flat square section on the top as per your drawings.

Just putting this set of questions out there for you to ponder over.
How long was the all brass carb in production for? Are they more likely to be found on earlier motors instead of later motors, or would this be down to supply of materials at the time of production. Are there any ally ones that look like this. Quite different in the main body of the carb compared to later 46n's.
Do some of them have a brass float bowl too?
Has anybody got a spare that i can find a new home for :P

Jon