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Old 03-05-2011, 12:41 PM   #226
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Woops....my bad. I think. I was going to buy a replacement sleeve for my 21.5 and I called CS to confirm that I could get the right 21.5 decal. Started the transaction and then thought better as I might be going all VTA and changing the stator.
Sorry Lynn, I spoke to soon.
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Old 03-05-2011, 04:16 PM   #227
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OK, I just ordered my RMF Novak VTA system.
Thanks,
Lynn
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Old 03-05-2011, 04:59 PM   #228
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just want to thank Novak for the support in VTA....

I also got my GTB2, and its nice...
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Old 03-12-2011, 07:09 PM   #229
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When will the RMF Havoc 2S/SS Pro 25.5 VTA Combo be off of back order?
The page still says it is available http://www.shopatron.com/products/pr...4.0.0.0?pp=10& and mine has been back ordered for over a week even after I ordered it.

Thanks,
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Old 03-13-2011, 11:43 AM   #230
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I am checking this out for you.

Quote:
Originally Posted by CobraRman View Post
When will the RMF Havoc 2S/SS Pro 25.5 VTA Combo be off of back order?
The page still says it is available http://www.shopatron.com/products/pr...4.0.0.0?pp=10& and mine has been back ordered for over a week even after I ordered it.

Thanks,
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Old 03-13-2011, 12:39 PM   #231
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Default Use the Mongoose for VTA!

Last week I installed a Novak Mongoose in my VTA car for a little testing.

Here is a shot before I removed the Havoc 3s that I've been running for the last couple of years.



It is actually mounted with 3 layers of servo tape because it won't fit down into the TA05-R chassis.

Here are a couple of shots of the mounted Mongoose.

It fits down in there very nicely



It's a nice low profile too.



The Mongoose performed just fine!

I arrived at the track early to get some practice time in before the racing started.

I have about 45 minutes of total track time on this setup now.

There was no decline in performance compared to the Havoc. I was still even with the other cars in the class going down the long straight section.

I checked the temp of the ESC after each run.

The warmest temp reading that I had was 106f after a 13 minute track session.

It was usually between 95f and 97f degrees.

After the Main it was 97.5f degrees.

I am running a Ballistic 25.5
A Losi 5000mah 2s lipo
I run a TA05-R and at our track we run with a 5.0 fdr.

So for anybody that was thinking of running the Mongoose because of the small size, I say go for it!
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Old 03-13-2011, 01:14 PM   #232
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Quote:
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I run a TA05-R and at our track we run with a 5.0 fdr.

So for anybody that was thinking of running the Mongoose because of the small size, I say go for it!
Does your track have an FDR limit?VTA at my track is in the 4.0 range.
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Old 03-13-2011, 01:51 PM   #233
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Does your track have an FDR limit?VTA at my track is in the 4.0 range.
Yes, our track has a 5.0 FDR limit.
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Old 03-13-2011, 06:56 PM   #234
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Quote:
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I am checking this out for you.
Thank you,
Lynn
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Old 03-13-2011, 08:28 PM   #235
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Quote:
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Yes, our track has a 5.0 FDR limit.
Hmm. The Mongoose might not work if the car is pulling more amps at a lower FDR- Any opinions on this NovakTwo?
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Old 03-14-2011, 11:04 AM   #236
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Hmm. The Mongoose might not work if the car is pulling more amps at a lower FDR- Any opinions on this NovakTwo?
Checking with Engineering.
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Old 03-14-2011, 12:58 PM   #237
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Hmm. The Mongoose might not work if the car is pulling more amps at a lower FDR- Any opinions on this NovakTwo?
As cool as it ran, I really don't think that changing the FDR to 4.0 would be a problem. I can try it Wednesday and let you know how it works.
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Old 03-14-2011, 01:21 PM   #238
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As cool as it ran, I really don't think that changing the FDR to 4.0 would be a problem. I can try it Wednesday and let you know how it works.
Charlie has been testing the Mongoose with 25.5T motors with an FDR of 5.0; he said that they would probably work fine in the 4s, but cannot test it until he gets back from Cactus.
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Old 03-14-2011, 07:14 PM   #239
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I had just PM'd NovakTwo and was awaiting his response before posting but it looks like this is a good time to throw another test report out there.

I installed the Mongoose in my Team Magic E4FS running the 25.5 and a FDR of 4.0 and it runs great. No power loss even with the stock 16g wiring. I needed to lengthen the positive battery wire and all the motor wires but chose to continue using 16g wire and not upgrade to something larger.
The Mongoose is wired a bit differently than the Havoc in that the wires are attached to both the top AND bottom of the circuit board and are factory soldered. Unlike the havoc, the wires aren't soldered vertically into the board, they're soldered flat and point outward to one side of the esc. Due to the small size of the esc ,this causes no problems with wire routing since there's plenty of room left. You could easily change to 14g wire and still have plenty of room to maneuver things.
The Mongoose has all the adjustable parameters needed. In comparison with the Havoc, it does without Throttle Curve selection, Brake Frequency, and the Reverse Disable feature. Anyone who's questioned the brake strength of the havoc will love the Mongoose. This little guy has BIG brakes ! I had just recently adjusted the belt tensions on my E4 to work with my Havoc at it's maximum drag brake setting. With the Mongoose set at it's max of 7, I now have to tension the belts again due to the strength of the Mongoose brakes.
Here's a couple of pics to show the difference between a Havoc Pro and the Mongoose. Keep in mind the Havoc Pro is already smaller than the Havoc so the Mongoose is quite a difference.

For those not familiar with the E4, you can see the chassis is rather narrow and all the electronics mount on the right side of the chassis. Even with the Havoc Pro and a very small dss receiver, there's little room. The first 2 pics on the left show the Mongoose, the 2 on the right are the Havoc Pro. The middle pic is just to show the overall chassis layout.
Attached Thumbnails
TeamNovak (U.S Vintage Trans-Am)-novak-mongoose-report-001.jpg   TeamNovak (U.S Vintage Trans-Am)-novak-mongoose-report-003.jpg   TeamNovak (U.S Vintage Trans-Am)-novak-mongoose-report-004.jpg   TeamNovak (U.S Vintage Trans-Am)-novak-mongoose-report-006.jpg   TeamNovak (U.S Vintage Trans-Am)-novak-mongoose-report-008.jpg  


Last edited by Evoracer; 03-14-2011 at 08:12 PM.
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Old 03-15-2011, 10:44 AM   #240
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Quote:
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The Mongoose has all the adjustable parameters needed. In comparison with the Havoc, it does without Throttle Curve selection, Brake Frequency, and the Reverse Disable feature.
Profile #2 has the reverse disabled on the Mongoose.

Have you checked any temps after running?
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