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Buell Forum » Buell RACING & More » Racing - Drag Racing » Turbo a XB12 or a 1125? » Archive through January 26, 2015 « Previous Next »

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Fast1075
Posted on Monday, December 31, 2012 - 10:45 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

The cylinder spacer will not be under any crankcase pressure to speak of. What I was referring to were cases where people had assembled the cylinder in this order: paper base gasket-spacer-paper base gasket.

With high torque on the cylinder studs, the paper gaskets would "squish" out, especially if they were coated with silicone sealer.

The copper head gasket/o-ring trick is to keep the head to cylinder sealed. A copper gasket without o-rings can be pushed out pretty easy with some good cylinder pressure.

Better than copper gasket/o-rings would be power rings, but that would be completely custom for an 11XX cylinder. We used the power rings in 1428 Kawi's with heavy nitrous loads where the copper gasket/o-rings could not maintain seal. Power rings originated in diesel engines. Tony Lang (Former owner of MTC Performance) built the first (that I know of) power ring cylinders for his Top Fuel dragster.

(Message edited by fast1075 on December 31, 2012)
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Battyone
Posted on Wednesday, January 09, 2013 - 06:28 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Std ecm has maps for secondary- showerhead- injectors.You're going to have to get used to using ecmspy,you can't really do this project without it.
I'd still wait to see how it goes before reducing compression.

Hays make a buell 1125 specific convertible
clutch....but they got the thrust bearing assembly wrong,I can help there if you need to go that way.

But...kawa gpz11 1000rx clutch plates are the same pattern as 1125,so could modify a gpz MTC billet basket.

As far as power rings go, 103mm is 4inch ish so small block size,if anyone makes rings for small block chevs or fords you're sorted.
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Blownharley
Posted on Monday, January 06, 2014 - 11:43 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Oops, haven't updated here for a while. Well there is some slow progress. Don't weld too much since things tend to move
Oops
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Blownharley
Posted on Monday, January 06, 2014 - 11:55 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Had to cut a hole in the swing arm to have enough room for the charge tube from the turbo.

Hole


Welded hole
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Blownharley
Posted on Monday, January 06, 2014 - 07:40 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Here is the turbo in different stages of adjustments...


Krokig snigel


Snail 2
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Blownharley
Posted on Monday, January 06, 2014 - 07:52 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Since the turbo is located below the oil level in the crankcase I need to get the oil back to the engine somehow. The best approach would be a mechanical pump instead of a electrical mainly due to room issues.. So the next question is where to put a oil return pump?

Would the right side work? The good thing with that would be that existing mechanical pumps for bikes like the Hayabusa is available and could be fitted.


RHS 1


RHS 2


RHS 3


Well since there is oil feed into the best place on this side it seems like I need to try to do something on the left side instead...
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Blownharley
Posted on Monday, January 06, 2014 - 08:01 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Here is some pics from the left side:

LHS 1


LHS 2


LHS 3


Well this looks more promising! But wait, since the pump is driven from the left side of the other bikes will this work driven from the right side
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Blownharley
Posted on Monday, January 06, 2014 - 08:13 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

This is the type of scavenge pump I had in mind, but it's only working driven from the left side...

MKR

Any ideas??
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Blownharley
Posted on Tuesday, January 07, 2014 - 11:42 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

While waiting for suggestions for the scavenge pump I will post some more pictures of the progress:

Started to work on the Plenum and the first thing to solve was how to attach the plenum to the Throttle Bodies. I figured a adapter like the one below would work.

Insert


And the idea is to insert this into the Thottle Bodies and then attach the plenum to this.

plenum floor


The plenum would look something like this.

Plenum ass


What do you think?
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46champ
Posted on Tuesday, January 07, 2014 - 12:53 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Is the plenum big enough? I have been trying for a while to find the formula for airbox size to no avail. You may want to consider staggering the height of your adapters. When I was looking at the 1190rs at Portland last year they said they did that to keep one cylinder from stealing air from the other cylinder.
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Hootowl
Posted on Tuesday, January 07, 2014 - 01:38 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

With a pressurized air box, size may not be important.
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Hughlysses
Posted on Tuesday, January 07, 2014 - 02:33 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

This is the type of scavenge pump I had in mind, but it's only working driven from the left side...

Can you get a make/model number for the pump? With no idea of the pump internals, it's impossible to say if the rotation can be reversed.
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Hootowl
Posted on Tuesday, January 07, 2014 - 03:45 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

What type of pump is that? If it's a positive displacement pump, wouldn't it simply pump the fluid backwards? Use the inlet for the outlet and vice versa.
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Blownharley
Posted on Tuesday, January 07, 2014 - 06:11 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

46 Champ, the size of the plenum is more than 2 times the size of the engine which is what's generally recommended for a V-Twin as a minimum. On top of that I have a rather long charge tube from below the Swing arm to the plenum. I don't think this will be an issue but time will tell; ) when it comes to the adapters you're right but I will have to go on with this design for now since I already have the adapters turned as we speak. Next upgrade maybe?
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Blownharley
Posted on Tuesday, January 07, 2014 - 06:15 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Hootowl, it's a gerotor pump with only one connection and a exit hole that simply dumps the return oil into the engine. With this design the rotor is located eccentric in the housing and the design needs to be changed in order to be turned in the other direction.
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Blownharley
Posted on Tuesday, January 07, 2014 - 06:18 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Hughlysses, I will see if I can find any pictures of the inters of the pump.
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Hughlysses
Posted on Tuesday, January 07, 2014 - 06:20 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

If it's a gerotor, it is rotation-specific. I wonder if you might not be able to swap the parts around in it to change the rotation though.
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Hootowl
Posted on Tuesday, January 07, 2014 - 06:38 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I see now. Any idea who makes the pump? Checked their web site for other applications? I feel a bit silly asking these questions, as I'm sure you've already investigated that.

Neat project.
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Blownharley
Posted on Wednesday, January 08, 2014 - 12:49 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Hughlysses, the parts cannot be changed to work in the other direction unfortunately.
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Blownharley
Posted on Wednesday, January 08, 2014 - 12:52 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Hootowl, it's a small company in Sweden that makes the pumps and they weren't interested in making a special one for me
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Blownharley
Posted on Wednesday, January 08, 2014 - 02:31 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Here is a picture of the turbo and waste gate with the swing arm away


Turbo Package
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Hootowl
Posted on Wednesday, January 08, 2014 - 04:36 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

You appear to be a skilled fabricator. Have you thought about building your own?
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Blownharley
Posted on Tuesday, January 14, 2014 - 03:03 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Thanks Hootowl but I don't have access to a mill or a lathe since I'm working in the US for a couple of years. I need to find someone locally here in Iowa that could help me.
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Blownharley
Posted on Saturday, February 22, 2014 - 12:01 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

The oil scavenge pump problem probably solved. More info on that subject later. I'm working on the plenum but are waiting for parts to be machined.


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99buellx1
Posted on Friday, October 03, 2014 - 02:50 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Need more updates!
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Blownharley
Posted on Monday, November 03, 2014 - 05:04 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I haven't been into Badweb for a while.. I will update in a few days! Anyway the bike is running but needs some tuning...
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Blownharley
Posted on Monday, January 26, 2015 - 02:47 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

OK, some other projects had higher prio for a while but very soon I will start up this project again. The bike needs to be finished and ready to race before the drag race season starts here in Sweden. I have started to fit Siemens Deka 80 lbs injectors and added a MAP sensor in order to be able to use boost compensation on the PCV unit. I will add some pictures on the progress soon.
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Blownharley
Posted on Monday, January 26, 2015 - 02:51 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Also there is more pictures available on another forum, unfortunately it's all in Swedish.. Google translate maybe?
http://www.sporthoj.com/forum/showthread.php?24993 7-Buell-1125-R-Turbo/
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Battyone
Posted on Monday, January 26, 2015 - 04:30 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

If I ever get round to doing a turbo 1125 I'll side mount the turbo, like the NLR Busas. Can be kept above sump level then so gravity drain can be used.

For now, there's more to come from the stock motor and weight reduction.

I run 750cc injectors (about 70lb) and have reduced global fueling to 50% - I use EcmSpy for tuning-

There's a lot I'd like to try with the 1125, but the standard frame makes engine work so much hassle. Will probably make my own chassis before I go any further tuning wise.

Good luck.
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Blownharley
Posted on Monday, January 26, 2015 - 08:19 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Thanks Battyone! The bike actually works but need some tuning. You're right regarding the turbo placement, it caused a lot of extra trouble to have it mounted this low. I will keep you updated on the progress.
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