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New Gabe Brown Engineering motors - 11/8/2007 6:51 AM   
hathi


 

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Here is a video of a proto type motor in an HPI Baja on a onroad track. This motor has been clocked in at 51.8mph using the stock gearing in the Baja.


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RE: New Gabe Brown Engineering motors - 11/8/2007 7:02 AM   
teamchrome



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Status: offline 		I think its the pipe they are testing not a new motor.


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RE: New Gabe Brown Engineering motors - 11/8/2007 7:30 AM   
hathi


 

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Status: offline 		A phone call today says other wise, and if it was just the pipe... well we are looking at one H E double hockey sticks of a pipe!(and yes we are talking about a great pipe as well, one that has a great power band and is not too loud)

No I made the mistake on another forum of posting up the wrong info, without talking to the source... but yes indeed this was a prototype of one of their new motors in one of the buggies


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RE: New Gabe Brown Engineering motors - 11/8/2007 11:22 AM   
Slammed



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quote:

Went out to SVM raceway to test the new pipe on a on-road course. See how the car runs with the new pipe and velocity stack.


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RE: New Gabe Brown Engineering motors - 11/8/2007 12:33 PM   
fourwheeler



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Status: offline 		Wow....nice pipe!! 51.8 MPH with stock gearing? What RPM would the motor be turning at that speed?

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RE: New Gabe Brown Engineering motors - 11/8/2007 3:27 PM   
Dave ESPI



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THAT SOUND ! lubba lubba lubba dubbbbaaa lubbbaa WAAAHHHHHHHHHHHHH-EEEEEEEEEE0WWWAAAAaaaaa.

Awesome. Has WOT that sounds like a 26 cc with a Jetpro V2 superpipe like on my FG, but a bit more in the dirtbike "rasp" range at lower rpm's.

N I C E !

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RE: New Gabe Brown Engineering motors - 11/8/2007 6:50 PM   
vertigo performance



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Status: offline 		Approx 16,000 RPM
The combinations added about 25% more RPM with a power output of over 5hp

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RE: New Gabe Brown Engineering motors - 11/8/2007 9:53 PM   
Dave ESPI



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OY. GBE Tuned Pipe
Total:$250.00USD

May not be getting this so soon.


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RE: New Gabe Brown Engineering motors - 11/8/2007 10:11 PM   
hathi


 

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Status: offline 		Here is a quote taken from Joe from Gabe Brown Engineering

"Please keep in mind that we are a speed engineering company, it's what we do. We take it serious as the owner has a winning background in Sand drags, go-karts and motorcycles. The car he drives is a A Fuel sand dragster that is capable of running 2.96 et. at 120 miles an hour in 100 yards. Because go-Karts currently in house are shifter karts capable of 0-130 MPH a block. In motorcycles check out panteracustoms.com and dreamcraftstudios.com look for the billet chassis bike in the gallery. After years of karting GBE has found the HPI baja 5b and are producing custom performance components based on our years of winning experience with 2 stroke engines."

So for me saying 250 bucks is too much for a pipe (that performs) would be like me saying... Oh those flow master mufflers are too much I'll settle for the glass packs, they dont add any power and sound terrible... but hey I saved some money.

The GBE products are not for everyone, they are for the people that know what performance is. The ones that demand the best of the best.


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RE: New Gabe Brown Engineering motors - 11/8/2007 11:37 PM   
PAPE



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Ok...............

quote:

ORIGINAL: hathi

Here is a quote taken from Joe from Gabe Brown Engineering

"Please keep in mind that we are a speed engineering company, it's what we do. We take it serious as the owner has a winning background in Sand drags, go-karts and motorcycles. The car he drives is a A Fuel sand dragster that is capable of running 2.96 et. at 120 miles an hour in 100 yards. Because go-Karts currently in house are shifter karts capable of 0-130 MPH a block. In motorcycles check out panteracustoms.com and dreamcraftstudios.com look for the billet chassis bike in the gallery. After years of karting GBE has found the HPI baja 5b and are producing custom performance components based on our years of winning experience with 2 stroke engines."

So for me saying 250 bucks is too much for a pipe (that performs) would be like me saying... Oh those flow master mufflers are too much I'll settle for the glass packs, they dont add any power and sound terrible... but hey I saved some money.

The GBE products are not for everyone, they are for the people that know what performance is. The ones that demand the best of the best.



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RE: New Gabe Brown Engineering motors - 11/9/2007 12:30 AM   
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Status: offline 		There is something wrong with the numbers. At 16,000 RPM he would only be going 43 MPH with the stock gearing. This is based on a conservative tire diameter. In order for him to hit 51.8 MPH with stock gearing the motor would have to be hitting at least 19,300 RPM.

Personally I have hit 49 MPH but with a CVT setup which is obviously not stock. I have hit 44 MPH with a stock gearing, a Zen 26cc (stock) and a homebuilt pipe.

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RE: New Gabe Brown Engineering motors - 11/9/2007 12:41 AM   
Dave ESPI



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Status: offline 		Upon initial read of this post, I too was to say in my first post 18,000 rpm as a reply.

From all teh graphs I have and seen on the net, The torque curve just doesn't come close enough at anything lower despite what pipe there is. The powerband just isn't there. I hit around that at WOT with my FGMT, and that is with a 26cc engine and V2 and don't do more than 47 mph.

< Message edited by Dave ESPI -- 11/9/2007 12:42 AM >

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RE: New Gabe Brown Engineering motors - 11/9/2007 1:27 AM   
hathi


 

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quote:

ORIGINAL: vertigo performance

Approx 16,000 RPM
The combinations added about 25% more RPM with a power output of over 5hp



lol clayton you got your numbers mixed up again.

Gabes new motor makes max hp at just under 16,000rpm.


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RE: New Gabe Brown Engineering motors - 11/9/2007 1:43 AM   
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Status: offline 		I'm not even talking about HP or power I am talking about RPM. From the engine to the wheels is basically a direct drive setup assuming the clutch and the wheels do not slip. So you can directly calculate speed from engine RPM. This has nothing to do with the power band of the the engine.

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RE: New Gabe Brown Engineering motors - 11/9/2007 3:06 AM   
fourwheeler



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Status: offline 		Given the balloon effect that undoubtedly has to be occurring with the stock Baja tires, you would see a small but measurable effect on the final drive ratio. I don't think it would be enough to allow the stock gearing to attain 51.8 MPH but it could have an effect on top end speed. I would think the motor would have to attain an RPM figure of at least 18750 RPM with the added benefit of the ballooning it could be possible to reach 50 MPH.

But then again I have been wrong before.

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RE: New Gabe Brown Engineering motors - 11/9/2007 4:21 AM   
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Status: offline 		Yeah I already included this ballooning affect in me generous wheel diameter calculation.

It's cool that they reached +50 mph with a stock gear setup but if the engine is running at those kind of RPM's I question how long it will last.

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RE: New Gabe Brown Engineering motors - 11/9/2007 4:30 AM   
hathi


 

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quote:

ORIGINAL: brice_arnold

I'm not even talking about HP or power I am talking about RPM. From the engine to the wheels is basically a direct drive setup assuming the clutch and the wheels do not slip. So you can directly calculate speed from engine RPM. This has nothing to do with the power band of the the engine.



I know that you are talking about what rpm the motor was hitting to reach these speeds. I was saying that the horse power peak on Gabe's new prototype motor is at just under 16,000rpm. This is by no means as high as the motor revs to. Gabes motors should rev to nearly 20,000 rpm safely.


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RE: New Gabe Brown Engineering motors - 11/9/2007 4:36 AM   
hathi


 

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quote:

ORIGINAL: brice_arnold

Yeah I already included this ballooning affect in me generous wheel diameter calculation.

It's cool that they reached +50 mph with a stock gear setup but if the engine is running at those kind of RPM's I question how long it will last.


These motor are not a zenoah, or a cy. They are based of a zenoah, so you could call them a clone if you want to.



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RE: New Gabe Brown Engineering motors - 11/9/2007 6:41 AM   
teamchrome



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Status: offline 		Where does it say its a motor they are testing??


Nice new avitar for Dave espi !!!

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RE: New Gabe Brown Engineering motors - 11/9/2007 11:01 AM   
Slammed



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quote:

ORIGINAL: teamchrome

Where does it say its a motor they are testing??


Nice new avitar for Dave espi !!!



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RE: New Gabe Brown Engineering motors - 11/9/2007 3:25 PM   
mnf1sand



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1. If that Baja is doing 50+ in that video I want to see it run somewhere were it can get up tp speed!! It is no where near rolled out to top speed in that video.

2. 16k-20k for RPM's is no big deal there are several motors out there you can have today that will turn 23k+.

3. A stock HPI out of the box struggles around 30mph, a tuned pipe will add near 10mph, add a good motor will add near another 10mph. Till pretty easily its doing 45-50mph in a long run. (just a side bit a $600 FG Marder will do 45 out of the box)

Sort related side note:


4.If I can share one thing with the large scale gas world it would be,, Stop buying big bore motors thinking your going to go faster...

More CC's Ie..26,27,29.5,30 will not make speed!!! A well modded 23cc Zenoah will turn near 25,000 rpm's thats what you need to go fast.......

Then Pipe.......if you don't have a good pipe designed for your cars weight and planned useage you might as well forget the motor. Because it can't breath correctly without it.

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RE: New Gabe Brown Engineering motors - 11/9/2007 3:58 PM   
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RE: New Gabe Brown Engineering motors - 11/9/2007 4:49 PM   
mnf1sand



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Status: offline 		cc's make torque which is great for weight also, But the hpi is not much different in weight or tire size then a FG F1, that I put around tracks at 70mph. If we are just trying to go fast as this thread started talking about we need RPM's. Road coarse race cars are very different then a dragster. There always needs to be a happy mix between the torque to get it moving and the rpm's to go fast.

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RE: New Gabe Brown Engineering motors - 11/9/2007 5:06 PM   
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quote:

ORIGINAL: mnf1sand

cc's make torque which is great for weight also, But the hpi is not much different in weight or tire size then a FG F1, that I put around tracks at 70mph. If we are just trying to go fast as this thread started talking about we need RPM's. Road coarse race cars are very different then a dragster. There always needs to be a happy mix between the torque to get it moving and the rpm's to go fast.



What motor are you using to get the F1 to 70?

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RE: New Gabe Brown Engineering motors - 11/9/2007 5:09 PM   
mnf1sand



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