Page 440 of 2625 FirstFirst ... 3403904304384394404414424504905409401440 ... LastLast
Results 6,586 to 6,600 of 39365

Thread: ESE's works engine tuner

  1. #6586
    Join Date
    25th August 2010 - 04:40
    Bike
    RD350 YPVS F2
    Location
    Europe
    Posts
    78
    Quote Originally Posted by Dutch Fisher View Post
    What year RGV500 are those from?
    2001, If I remember right. Not 100% sure though...

    Here's couple of more pics.
    Attached Thumbnails Attached Thumbnails Click image for larger version. 

Name:	RGV500_FACTORY_CYL2.jpg 
Views:	121 
Size:	99.9 KB 
ID:	258203   Click image for larger version. 

Name:	RGV500_FACTORY_CYL5.jpg 
Views:	105 
Size:	75.0 KB 
ID:	258204   Click image for larger version. 

Name:	RGV_500_FACTORY_PIST_FRONT.jpg 
Views:	119 
Size:	58.1 KB 
ID:	258205   Click image for larger version. 

Name:	RGV500_FACTORY_CYL3.jpg 
Views:	90 
Size:	82.9 KB 
ID:	258206   Click image for larger version. 

Name:	RGV500_FACTORY_CYL7.jpg 
Views:	97 
Size:	112.8 KB 
ID:	258207  

  2. #6587
    Join Date
    8th February 2007 - 20:42
    Bike
    TZ400
    Location
    tAURANGA
    Posts
    3,885
    The 4th cable is to the PV servo as the man from the Institution says - it holds the oil pump open when the PV is open, but the throttle is closed ie high rpm overun into a corner.
    Interesting to see in one of the Suzuki pics that it has two servo drives, one for the blade PV and another for the ATAC chamber, they too discovered you cant simply tie them together.

    I recon the pipe should be named "Pirranha" looking at the fish impressions.

    Blowing a pipe,except for the initial header shape, looses power big time,as the angle changes are blurred.
    HRC has the trick method of pressing the pipe in two halves, and welding the seams, as a press tool can imprint distinct "corners" where for example the mid joins the rear cone.
    Years ago when working with Jim at JL I tried blowing the pipe into a split mould around the mid section, but even this lost around 2-3 Hp per pipe on Hines dyno at Zip,when testing his Superkart title engines.
    Ive got a thing thats unique and new.To prove it I'll have the last laugh on you.Cause instead of one head I got two.And you know two heads are better than one.

  3. #6588
    Join Date
    18th May 2007 - 20:23
    Bike
    RG50 and 76 Suzuki GP125 Buckets
    Location
    Auckland
    Posts
    10,473
    Quote Originally Posted by wobbly View Post
    I recon the pipe should be named "Pirranha" looking at the fish impressions.
    If its OK with you Wob maybe we could call it "The Wobbly Pirranha" and if its ok with him, use dinamik2t idea for the logo ....

  4. #6589
    Join Date
    11th July 2008 - 03:59
    Bike
    N/A
    Location
    Greece
    Posts
    388
    You needn't have to ask...

    In front of the mouth you should put a cup with the category's name.

    Click image for larger version. 

Name:	Εικόνα1.jpg 
Views:	92 
Size:	140.0 KB 
ID:	258211


  5. #6590
    Join Date
    7th February 2009 - 17:47
    Bike
    93 kwacker zxr750
    Location
    palmerston north
    Posts
    1,705
    Quote Originally Posted by wobbly View Post
    The 4th cable is to the PV servo as the man from the Institution says - it holds the oil pump open when the PV is open, but the throttle is closed ie high rpm overun into a corner.
    Interesting to see in one of the Suzuki pics that it has two servo drives, one for the blade PV and another for the ATAC chamber, they too discovered you cant simply tie them together.

    I recon the pipe should be named "Pirranha" looking at the fish impressions.

    Blowing a pipe,except for the initial header shape, looses power big time,as the angle changes are blurred.
    HRC has the trick method of pressing the pipe in two halves, and welding the seams, as a press tool can imprint distinct "corners" where for example the mid joins the rear cone.
    Years ago when working with Jim at JL I tried blowing the pipe into a split mould around the mid section, but even this lost around 2-3 Hp per pipe on Hines dyno at Zip,when testing his Superkart title engines.
    so here in pic 1 is not the way to go (blurred) and plended ? and pic 2 is the way to go? both are cone type chambers
    http://images.trademe.co.nz/photoser...70289_full.jpg
    http://images.trademe.co.nz/photoser...70413_full.jpg

    l know what l would use!

    there is no right or wrong way its what works on your the best!

  6. #6591
    Join Date
    8th February 2007 - 20:42
    Bike
    TZ400
    Location
    tAURANGA
    Posts
    3,885
    Look closely - Pic 1 has a blown or pressed header first section, the rest are segments.
    Pic 2 are just a pieces of shit - I would be embarrassed to even have them in my rubbish tin, let alone have a pic of them on the interweb & no
    the drastic cut angles would shag any pretence of power the design may have had initially,probably make about the same power as blown pipes would..
    Ive got a thing thats unique and new.To prove it I'll have the last laugh on you.Cause instead of one head I got two.And you know two heads are better than one.

  7. #6592
    Join Date
    18th May 2007 - 20:23
    Bike
    RG50 and 76 Suzuki GP125 Buckets
    Location
    Auckland
    Posts
    10,473
    Click image for larger version. 

Name:	A1 OKO 24 - 30 003.jpg 
Views:	59 
Size:	232.6 KB 
ID:	258237 Click image for larger version. 

Name:	A2 OKO 24 - 30 005.jpg 
Views:	86 
Size:	251.0 KB 
ID:	258238

    24mm OKO carb bored out to 30mm so now I have a carb to do a back to back comparison with the taper bored 24 OKO on the dyno.

    Click image for larger version. 

Name:	A3 OKO 24 - 30 008.jpg 
Views:	106 
Size:	258.7 KB 
ID:	258236

    Surface is deliberatly left rugh, the theory is that the air flowing over it rolls up and forms little rollers for the bulk air to slide over.

  8. #6593
    Join Date
    25th March 2004 - 17:22
    Bike
    RZ496/Street 765RS/GasGas/ etc etc
    Location
    Wellington. . ok the hutt
    Posts
    20,500
    Blog Entries
    2
    Ahh, just like those old english Anal roughbore carbs,

    be interesting to see what happens.
    Don't you look at my accountant.
    He's the only one I've got.

  9. #6594
    Join Date
    8th February 2007 - 20:42
    Bike
    TZ400
    Location
    tAURANGA
    Posts
    3,885
    Just a small point TeeZee, the elongated oval formed around the main air corrector feed hole you will need to fit a thin wall sleeve in there, pointing directly out the bellmouth to a point where its not
    affected by the venturi .
    The idle air is going to be affcted as well but not as drastically.
    If you dont, the air corrector orifice will be subject to increasing negative pressure as the velocity increases - exactly the opposite to what is needed to lean out the fuel curve
    that naturally gets richer in any carb like this.
    Ive got a thing thats unique and new.To prove it I'll have the last laugh on you.Cause instead of one head I got two.And you know two heads are better than one.

  10. #6595
    Join Date
    20th January 2010 - 14:41
    Bike
    husaberg
    Location
    The Wild Wild West
    Posts
    11,823

    Nsr250

    I just read an article that suggested the NSR250 (Well the MC28 at least)
    has a three position RC Valve it suggests it has a fully open a closed and intermediate position can anyone confirm this?
    As i always assumed it was an either open or closed scenario only.If it is a 3 postion. Is this only the MC28 or other models as well?
    The MC28 i believe has a TPS which is a 4.8K linear pot (even though it has written 4K on it?)

    Click image for larger version. 

Name:	NSRR1.jpg 
Views:	44 
Size:	77.7 KB 
ID:	258253Click image for larger version. 

Name:	Honda_NSR250SP_Engine_Closeup-300x225.jpg 
Views:	60 
Size:	32.6 KB 
ID:	258251Click image for larger version. 

Name:	IMGP2279.JPG 
Views:	51 
Size:	106.6 KB 
ID:	258252
    Quote Originally Posted by Katman View Post
    I reminder distinctly .




    Kinky is using a feather. Perverted is using the whole chicken

  11. #6596
    Join Date
    30th September 2008 - 09:31
    Bike
    Suzuki GP125 Bucket
    Location
    Auckland
    Posts
    1,969
    Quote Originally Posted by wobbly View Post
    Just a small point TeeZee, the elongated oval formed around the main air corrector feed hole you will need to fit a thin wall sleeve in there, pointing directly out the bellmouth to a point where its not
    affected by the venturi .
    The idle air is going to be affcted as well but not as drastically.
    If you dont, the air corrector orifice will be subject to increasing negative pressure as the velocity increases - exactly the opposite to what is needed to lean out the fuel curve
    that naturally gets richer in any carb like this.
    Click image for larger version. 

Name:	OKO 30.jpg 
Views:	54 
Size:	251.0 KB 
ID:	258261 Click image for larger version. 

Name:	OKO 24.jpg 
Views:	67 
Size:	231.4 KB 
ID:	258262 Click image for larger version. 

Name:	OKO 24-30.jpg 
Views:	70 
Size:	238.7 KB 
ID:	258263

    30mm OKO and the 24mm OKO taper bored out to 30mm on the engine side.

    Thanks Wob, TeeZee and I have been playing with the taper bored 24 on the dyno and were about to try the 30 ......

  12. #6597
    Join Date
    30th September 2008 - 09:31
    Bike
    Suzuki GP125 Bucket
    Location
    Auckland
    Posts
    1,969
    Quote Originally Posted by Brian d'marge View Post
    Very quickly, with fins , look at the heat path and the materials it crosses, also the air flow between the fins , and the amount of heat each fin can remove,
    Click image for larger version. 

Name:	fins.pdf 
Views:	180 
Size:	444.4 KB 
ID:	258259
    Heres a paper on fins , hope this helps

    Stephen
    Very interesting paper, I see 8mm gap between fins on a moving motorcycle is the magic number .....

  13. #6598
    Join Date
    12th May 2011 - 23:52
    Bike
    razor scooter(pink)
    Location
    Australia
    Posts
    371
    Quote Originally Posted by bucketracer View Post
    Click image for larger version. 

Name:	OKO 30.jpg 
Views:	54 
Size:	251.0 KB 
ID:	258261 Click image for larger version. 

Name:	OKO 24.jpg 
Views:	67 
Size:	231.4 KB 
ID:	258262 Click image for larger version. 

Name:	OKO 24-30.jpg 
Views:	70 
Size:	238.7 KB 
ID:	258263

    30mm OKO and the 24mm OKO taper bored out to 30mm on the engine side.

    Thanks Wob, TeeZee and I have been playing with the taper bored 24 on the dyno and were about to try the 30 ......
    Like so(I have to make this post longer than 10 charaters, but I have SFA to say ..............)
    Attached Thumbnails Attached Thumbnails Click image for larger version. 

Name:	PAXcarb034.jpg 
Views:	175 
Size:	50.2 KB 
ID:	258275  

  14. #6599
    Join Date
    30th September 2008 - 09:31
    Bike
    Suzuki GP125 Bucket
    Location
    Auckland
    Posts
    1,969
    Hi 2T any chance of a side on pic so we can see how far forward the little tubes protrude. Thanks B

  15. #6600
    Join Date
    8th February 2007 - 20:42
    Bike
    TZ400
    Location
    tAURANGA
    Posts
    3,885
    The NSR has a single dropping gate PV system, so saying it has "stages" is bollocks.It is servo driven up and down, and by design it is always close to the piston to work well.
    The RGV has a multi blade system that pulls the valves away from the bore in stages, as in this case only the leading edge in the full down position is close to the piston.
    Any value of pot in a TPS would work - all it does is vary the 5V sensor voltage sent out by the ECU.
    Ive got a thing thats unique and new.To prove it I'll have the last laugh on you.Cause instead of one head I got two.And you know two heads are better than one.

Thread Information

Users Browsing this Thread

There are currently 22 users browsing this thread. (0 members and 22 guests)

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •