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New Toy, Bamford tulip top

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ive gotta be honest paul

Post by RAB on Mon Jan 25 2010, 15:15

im finding it very difficult to understand how this engine works, as John as seen it now he may be able to answer for me later i hope lol

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Re: New Toy, Bamford tulip top

Post by Guest on Mon Jan 25 2010, 15:34

Dosnt the piston withdrawing pull fuel up into the bowl of the carburettor then the another withdrawal pulls it into the cylinder? my granddads backfired and the fuel in the bowl caught on fire, got rid of it quite quick.

Cheers, Steve

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yeah, its getting to the fuel bowl ok

Post by RAB on Mon Jan 25 2010, 15:49

Skankin_giant wrote:Dosnt the piston withdrawing pull fuel up into the bowl of the carburettor then the another withdrawal pulls it into the cylinder? my granddads backfired and the fuel in the bowl caught on fire, got rid of it quite quick.

Cheers, Steve

its getting it up to the cylinder thats the probelm, i could imagine that fuel bowl catching fire, that side of things wasnt a very good design, but they probely didnt expect that to happen, did they change later models???????

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Re: New Toy, Bamford tulip top

Post by Guest on Mon Jan 25 2010, 15:50

could just be a good strip and a clean then mate.

Cheers Steve

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she only fired

Post by RAB on Mon Jan 25 2010, 16:12

when we removed the mag/ignitor set up and sprayed fuel directly into the chamber. will have to take closer look tommorow

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Re: New Toy, Bamford tulip top

Post by Guest on Mon Jan 25 2010, 18:20

ah i think it could be that the sealing between the carb and the engine could be a bit ineffective, the engine might be sucking air in rather than producing a vacuum for the fuel, like steve says, strip the carb down, clean and flatten the joints and provide new gaskets/seals to make it airtight. i hope that helps

if i'm honest ryan, the hit and miss principle escapes me, i just cant see the point, but it obviously worked (for a while Very Happy )

if i had one myself i'd probably be able to give a better answer, but what i've said is the best i can come up with, if its no better come june we'll fix it at the 1000 engine!! hahaha, and you can beat up some gobsh1tes!!!!!!!!

Paul Very Happy

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Re: New Toy, Bamford tulip top

Post by Lister John on Mon Jan 25 2010, 22:54

Erm where is the fuel bowl then? its just a pipe from the tank, through a needle valve(controling the ammount of fuel to be let through) then mixed with air and drawn into the cylinder for combustion.....

Or did I miss something??? Very Happy

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nah you didnt miss a thing

Post by RAB on Tue Jan 26 2010, 05:16

Lister John wrote:Erm where is the fuel bowl then? its just a pipe from the tank, through a needle valve(controling the ammount of fuel to be let through) then mixed with air and drawn into the cylinder for combustion.....

Or did I miss something??? Very Happy

remember when we tipped the tank to ensure fuel was running through ok, it went in a kinda dish shape thing and kinda like an over flo tray, thats the fuel bowl lol, ( I think)

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Re: New Toy, Bamford tulip top

Post by Guest on Tue Jan 26 2010, 08:51

Thats the Bowl, from what i seen they changed on later engines.



Cheers Steve

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Re: New Toy, Bamford tulip top

Post by Lister John on Tue Jan 26 2010, 09:36

Thats strange, A fuel bowl open to the air?

So how does it draw up the fuel then? because there is quite a big gap for it to draw up from. And it didnt seem to suck the fuel in when that bowl was full.

interesting one here. Very Happy

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Re: New Toy, Bamford tulip top

Post by Guest on Tue Jan 26 2010, 09:47

Is more of a reservoir, its the same for alot of engines with atmospheric intake valves, the fuel sit there open to the air and when the piston withdraws its sucks in the required amount of air and fuel, as well as pulling more fuel up the the reservoir. if you get what i mean?

Cheers, Steve

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Re: New Toy, Bamford tulip top

Post by Guest on Tue Jan 26 2010, 09:52

The carb on the Sattley is similar the fuel sits just behind the choke until needed.



Cheers, Steve

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it is bl**dy dangerous

Post by RAB on Tue Jan 26 2010, 12:22

when you think about it, fuel expose, while 15cm above, an explosion is taking place. Glad they changed it, although i bet they learnt the hard way Question

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Re: New Toy, Bamford tulip top

Post by Guest on Tue Jan 26 2010, 13:10

That type on the Bamford set my Granddad on fire when it backfired, he would never have another Bamford after it.

Cheers, Steve

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Re: New Toy, Bamford tulip top

Post by Guest on Tue Jan 26 2010, 13:22

perhaps on the grounds of safety you might like to fit a low pressure non return valve to the fuel pipe ryan?

Paul Very Happy

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Re: New Toy, Bamford tulip top

Post by Lister John on Tue Jan 26 2010, 19:32

Interesting, Thanks for the explination Very Happy

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Re: New Toy, Bamford tulip top

Post by BRASSO on Tue Jan 26 2010, 20:27

Skankin_giant wrote:That type on the Bamford set my Granddad on fire when it backfired, he would never have another Bamford after it.

Cheers, Steve

Never mind Ryan, I will bring me fire extinguisher and put ya out mate!!!!!!! lol! lol! lol! lol! lol! lol!

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im considering

Post by RAB on Tue Jan 26 2010, 20:34

mounting one to the trailer santa

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Re: New Toy, Bamford tulip top

Post by BRASSO on Tue Jan 26 2010, 20:39

ryan wrote:mounting one to the trailer santa

Our you could get one of those flame suits like the F1 drivers have..............

Would love to see yer face when you first start her up bud. affraid affraid affraid affraid affraid

lol!

Cheers

Mart.

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Re: New Toy, Bamford tulip top

Post by Guest on Tue Jan 26 2010, 20:46

Or flinch every time something goes "POP" lol!

Cheers, Steve

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Re: New Toy, Bamford tulip top

Post by Statman on Tue Jan 26 2010, 23:03

I can see me doing my party trick and holding me ears haha

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Re: New Toy, Bamford tulip top

Post by Guest on Wed Jan 27 2010, 08:01

ryan wrote:mounting one to the trailer santa

make sure its dry power Very Happy water wont do you much good lol.

Paul Very Happy

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Re: New Toy, Bamford tulip top

Post by Guest on Sat Jan 30 2010, 18:39

did you find some one to look at the mag?

CHeers Steve

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Re: New Toy, Bamford tulip top

Post by Lister John on Sat Jan 30 2010, 18:43

Skankin_giant wrote:did you find some one to look at the mag?

CHeers Steve

Ryans having it fixed by a local chap (Kerwin)

Hopefully wont be too long now!......

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Re: New Toy, Bamford tulip top

Post by Guest on Sat Jan 30 2010, 18:52

Oh yea i know Kerwin, didnt no if he went with Terry up St Newlyn East.

Cheers Steve

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Re: New Toy, Bamford tulip top

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