Biggest Impellor made?
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Biggest Impellor made?

  1. #1
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    Default Biggest Impellor made?

    What is the biggest impellor made? How much horsepower can it hold back?

    Thanks in advance for the input.

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    B1 Racing cs19's Avatar
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    For a regular type of jet-drive a 9.5" American Turbine is the largest, can take more horsepower than most can build, lets put it that way.

    BAE557 said he turned one that was race prepped upwards of 9,000 RPM, I know another guy who uses 1500 HP to turn a 9.5" High Helix 6100-6200, keep in mind these are very detailed impellers and they tug the engine down harder.

    They have another jet-drive now that is even larger and it dwarfs the normal stuff we are familiar with, would be awesome to see someone play with one with big time HP.

    Maybe the AMT guys will chime in.

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    Default drive

    What is the "another" jet drive and will it bolt up to the traditional intake? We are building a UBFJ and need as much load as possible.

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    B1 Racing cs19's Avatar
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    Quote Originally Posted by fueljet1 View Post
    What is the "another" jet drive and will it bolt up to the traditional intake? We are building a UBFJ and need as much load as possible.
    It will not bolt up to the standard intake, no. The larger jet-drive is built by American Turbine.

    If its just Unblown fuel I do not see any reason to even consider a larger jet-drive, you dont need it. You wount be able to turn the 9.5" impeller anyways.

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    Senior Member TwinTurbo540's Avatar
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    Quote Originally Posted by fueljet1 View Post
    We are building a UBFJ and need as much load as possible.
    Are you bolting up a Sonny's Semi Hemi on some big spray or something....?? Cant see a UBFJ needing anything more than a 9.5 if it would even need that.....

    Travis
    I like my women like I like my boats......Fast and ready to get wet at all times!!

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    B1 Racing cs19's Avatar
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    Quote Originally Posted by TwinTurbo540 View Post
    Are you bolting up a Sonny's Semi Hemi on some big spray or something....?? Cant see a UBFJ needing anything more than a 9.5 if it would even need that.....

    Travis
    Yep.

    The majority of the guys in UBFJ are running the smaller cuts (B+ and below) to get the RPM's up into the 7500 RPM range. Id be surprised if anyone ran anything larger than an A. I know one guy was running an A, he may have gone to AA by now but he is the only one.

    To honestly twist a loaded and detailed 9.5" High Helix up to 7500 RPM you better have some serious power and probably a capsule.

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    Senior Member TwinTurbo540's Avatar
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    Quote Originally Posted by cs19 View Post
    Yep.

    The majority of the guys in UBFJ are running the smaller cuts (B+ and below) to get the RPM's up into the 7500 RPM range. Id be surprised if anyone ran anything larger than an A. I know one guy was running an A, he may have gone to AA by now but he is the only one.

    To honestly twist a loaded and detailed 9.5" High Helix up to 7500 RPM you better have some serious power and probably a capsule.
    Thats what I was thinking Chris!! I know what Joe runs and if you can twist a bigger impeller than him that high you will need a capsule for sure!!

    Travis
    I like my women like I like my boats......Fast and ready to get wet at all times!!

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    Default Ubfj

    Sure, its only a small engine(421 to maybe 500 C.I.) but it is not a huge inch engine on spray. It is a real unblown fueler. 100% nitro, big fuel pump and big mags. The people helping me with this project run a current NHRA AFD. They have gone in the 5.3's on 94% nitro. I think it will make ample power.

    Is there any info on the new/bigger pump? Will any traditional pump work?

    Thx.
    Last edited by fueljet1; 01-14-2010 at 09:23 PM. Reason: more

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    Default no capsule

    Quote Originally Posted by TwinTurbo540 View Post
    Thats what I was thinking Chris!! I know what Joe runs and if you can twist a bigger impeller than him that high you will need a capsule for sure!!

    Travis
    We won't be using a capsule. We plan on running NJBA and mostly western races.

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    Senior Member TwinTurbo540's Avatar
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    Quote Originally Posted by fueljet1 View Post
    Sure, its only a small engine(421 to maybe 500 C.I.) but it is not a huge inch engine on spray. It is a real unblown fueler. 100% nitro, big fuel pump and big mags. The people helping me run a current NHRA AFD. They have gone in the 5.3's on 94% nitro. I think it will make ample power.

    Is there any info on the new/bigger pump? Will any traditional pump work?

    Thx.
    I wrench for a guy in Top Dragster on the division 6 circut so I know a little about what you are putting togeather from being around it. Sounds like if its the real deal on nitro, two mags, two pumps, etc.... it should be in the 3,000- 3,500hp range?? That should make for one hell of a jet boat project....

    Travis
    I like my women like I like my boats......Fast and ready to get wet at all times!!

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    Default rpm

    Quote Originally Posted by cs19 View Post
    Yep.

    The majority of the guys in UBFJ are running the smaller cuts (B+ and below) to get the RPM's up into the 7500 RPM range. Id be surprised if anyone ran anything larger than an A. I know one guy was running an A, he may have gone to AA by now but he is the only one.

    To honestly twist a loaded and detailed 9.5" High Helix up to 7500 RPM you better have some serious power and probably a capsule.
    I guess I need to restructure my question. Can a traditional pump/impellor combo hold back an engine to around 6000 rpms? Will the shafts hold up and will a jet-a-way hold up?

    Thx,
    Todd

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    Default similar

    Quote Originally Posted by TwinTurbo540 View Post
    I wrench for a guy in Top Dragster on the division 6 circut so I know a little about what you are putting togeather from being around it. Sounds like if its the real deal on nitro, two mags, two pumps, etc.... it should be in the 3,000- 3,500hp range?? That should make for one hell of a jet boat project....

    Travis
    Very similar but one pump with two chambers. We are thinkin the smaller the engine the better. The whole goal is to get it to E.T. not speed.

  14. #13
    B1 Racing cs19's Avatar
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    Quote Originally Posted by fueljet1 View Post
    Sure, its only a small engine(421 to maybe 500 C.I.) but it is not a huge inch engine on spray. It is a real unblown fueler. 100% nitro, big fuel pump and big mags. The people helping me run a current NHRA AFD. They have gone in the 5.3's on 94% nitro. I think it will make ample power.

    Is there any info on the new/bigger pump? Will any traditional pump work?

    Thx.
    Like how much power? 2000-2500? I think a 9.5" deal setup correctly could just about handle a blown fuel Brad Anderson on a decent tune up, a serious Brad on nitro would likely overwhelm a 9.5" deal. A full tilt Brad on alcohol is fine with a 9.5"er

    Running that new pump would be tottally experimental and the pump or intake or both may not work well for drag racing.. Its designed for very large jetboats (like 6500 lbs.) You would be on your own getting loaders, shoes etc. built for the boat. Im not saying it wouldnt work and like I said I think it would be cool to see one get tested but I dont think you have the horsepower to justify switching over to one, it may be heavy too... Dont know.

    Injected nitro will not be too much power for a traditonal type of pump, you can run the 9.5" parts on a berkeley or old Dominator (9.125 register) with their adapter piece that sits on the register of the berk. suction housing, its probably better to just get the 9.5" suction though, its a better way to go I think, no real difference other than the register where the bowl goes on is 9.5 rather than 9.125 and you will not need the adapter, which to me just looks like a piece of 3/16 alum. welding rod.

  15. #14
    Senior Member TwinTurbo540's Avatar
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    Quote Originally Posted by fueljet1 View Post
    Very similar but one pump with two chambers. We are thinkin the smaller the engine the better. The whole goal is to get it to E.T. not speed.
    I would agree that the smaller engine for your set up would be the best idea for what you are trying to achieve with it! I know that injected nitro can be one hell of a tuning curve but they sure run like no other when they are dialed!!

    Guys like CS19, Greg shoemaker, and some others on here would be your best source of info on where to go or who to talk to! What would be your guess on power with the smaller 421 set up?

    Travis
    I like my women like I like my boats......Fast and ready to get wet at all times!!

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