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Old 09-14-2009, 10:54 AM   #6181
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hello everyone. I picked up a 1/10 touring chassis to run in the VTA class, but I have a few questions concerning the class.

- Are there any plans to allow the Novak Ballistic 21.5 motor? I like how the sensor wire is not attached to the motor, and from what I have heard, it has similar performance of the current legal 21.5

- Is the current body list shown on the website up to date?

- has there been discussion of 1S lipo usage in 21.5? I notice another place using there own form of VTA with 1S lipo and 17.5:
The Ballistic is legal. It is the same rotor and stator as the SS series. Technically speaking, it is the same. It does have better tab location, an aluminum rear endbell/bearing carrier and timing marks on the can.
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Old 09-14-2009, 11:06 AM   #6182
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thanks for the info!
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Old 09-14-2009, 12:15 PM   #6183
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Originally Posted by padailey View Post
[

We pretty much found the same thing. Not taking into account the timing advance/boost speedos you have to go a long way with the FDR with a 21.5 FDR to get a real noticeable speed difference. Our 5.0 slows the cars somewhat but not much on lap times as you found. We are finding that you almost have to go to a 6.0 to really get them to slow down.
Bingo on 6.0, the car definitely was much slower.
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Old 09-14-2009, 12:18 PM   #6184
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Originally Posted by Cain View Post
hello everyone. I picked up a 1/10 touring chassis to run in the VTA class, but I have a few questions concerning the class.

- Are there any plans to allow the Novak Ballistic 21.5 motor? I like how the sensor wire is not attached to the motor, and from what I have heard, it has similar performance of the current legal 21.5Yes it will be legal

- Is the current body list shown on the website up to date?Yes

- has there been discussion of 1S lipo usage in 21.5? I notice another place using there own form of VTA with 1S lipo and 17.5:read on..
At this point, we're going to keep exploring what can be done with the current legal batteries and motors. There has been some exploration of 1s, which was promising, but there are a lot of people who seem to be opposed to that sort of change.
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Old 09-14-2009, 12:19 PM   #6185
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Originally Posted by INFERN0 View Post
Wouldn't hurt to see a 190mm body of some of the great classic bowtie cars like the 69 Nova (which correct me if I am wrong ran a few TA races no?)or Chevelle even though they were just the muscle cars or if someone would please make a firebird and hell yeah light buckets would really make em stand out.
It was a 66 Chevy II Nova model that raced in 1969. Right now nobody makes one from 66 IIRC
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Old 09-15-2009, 11:04 AM   #6186
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Ok. I am laying out what I am going to purchase, Here is what I got listed:

- Novak Ballistic 21.5T Motor or a used / refurb Novak 21.5 SS
- HPI4793 - HPI 26mm Vintage Racing Tire (D-Compound) (2)
- HPI4797 - HPI 31mm Vintage Racing Tire (D-Compound) (2)
- HPI3816 - HPI 26mm Vintage 5-Spoke Wheel (Black) (2) (0mm Offset)
- HPI3821 - HPI 31mm Vintage 5-Spoke Wheel (Black) (2) (6mm Offset)

I am going to be running this in / with the following:

- Academy STR4 Pro II (shaft car)
- Speed Passion GT2.0 Pro ESC
- RFI 4000mah 25C Lipo
- Aitronics 94357 servo

Now, my question is this:

- What bodies currently are the most durable to buy?
- What bodies currently are considered the best handling?
- What bodies are a great combination of the both?
- My Internal Ratio is 2.3 on the vehicle, with a spur gear possibility down to 62T. I am thinking for the 4.2 - 4.6 FDR Range to go with a pinion selection of 31 - 34T , does this sound about right?
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Old 09-15-2009, 12:45 PM   #6187
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Quote:
Originally Posted by Cain View Post
Ok. I am laying out what I am going to purchase, Here is what I got listed:

- Novak Ballistic 21.5T Motor or a used / refurb Novak 21.5 SS
- HPI4793 - HPI 26mm Vintage Racing Tire (D-Compound) (2)
- HPI4797 - HPI 31mm Vintage Racing Tire (D-Compound) (2)
- HPI3816 - HPI 26mm Vintage 5-Spoke Wheel (Black) (2) (0mm Offset)
- HPI3821 - HPI 31mm Vintage 5-Spoke Wheel (Black) (2) (6mm Offset)

I am going to be running this in / with the following:

- Academy STR4 Pro II (shaft car)
- Speed Passion GT2.0 Pro ESC
- RFI 4000mah 25C Lipo
- Aitronics 94357 servo

Now, my question is this:

- What bodies currently are the most durable to buy?
- What bodies currently are considered the best handling?
- What bodies are a great combination of the both?
- My Internal Ratio is 2.3 on the vehicle, with a spur gear possibility down to 62T. I am thinking for the 4.2 - 4.6 FDR Range to go with a pinion selection of 31 - 34T , does this sound about right?
the Camaro takes the best beating for me. The Cuda splits if you hit it in the nose real hard but HPI is working on one from thicker sheets of lexan. I have never raced the mustang. And Im not one to ask about which one handles the best.
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Old 09-15-2009, 12:51 PM   #6188
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Quote:
Originally Posted by Cain View Post
Ok. I am laying out what I am going to purchase, Here is what I got listed:

- Novak Ballistic 21.5T Motor or a used / refurb Novak 21.5 SS
- HPI4793 - HPI 26mm Vintage Racing Tire (D-Compound) (2)
- HPI4797 - HPI 31mm Vintage Racing Tire (D-Compound) (2)
- HPI3816 - HPI 26mm Vintage 5-Spoke Wheel (Black) (2) (0mm Offset)
- HPI3821 - HPI 31mm Vintage 5-Spoke Wheel (Black) (2) (6mm Offset)

I am going to be running this in / with the following:

- Academy STR4 Pro II (shaft car)
- Speed Passion GT2.0 Pro ESC
- RFI 4000mah 25C Lipo
- Aitronics 94357 servo

Now, my question is this:

- What bodies currently are the most durable to buy?
- What bodies currently are considered the best handling?
- What bodies are a great combination of the both?
- My Internal Ratio is 2.3 on the vehicle, with a spur gear possibility down to 62T. I am thinking for the 4.2 - 4.6 FDR Range to go with a pinion selection of 31 - 34T , does this sound about right?
I'll second the Camaro. The Mustang works well, but needs reinforcement. Handling, they are all roughly the same.

What pitch gears are you running?
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Old 09-15-2009, 01:18 PM   #6189
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I'll be running 48 pitch gears.

I decided based on the thickness of the lexan and that I like the look of the body (I know, I know) to give the Parma Boss Mustang a go. Plus the price was good too for a NIB body, I figure, for a beater body, can't complain.

So, anyone here got a 21.5T motor for sale?
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Old 09-15-2009, 03:13 PM   #6190
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Originally Posted by Cain View Post
I'll be running 48 pitch gears.

I decided based on the thickness of the lexan and that I like the look of the body (I know, I know) to give the Parma Boss Mustang a go. Plus the price was good too for a NIB body, I figure, for a beater body, can't complain.

So, anyone here got a 21.5T motor for sale?
Can I get a set of working gears that touch and make good gear mesh? Then I can come up with some numbers for you.
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Old 09-15-2009, 05:08 PM   #6191
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assuming 62T spur, 32 tooth pinion is smallest they show.
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Old 09-15-2009, 05:55 PM   #6192
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Default Music City Championship 2009

Two Sundays to go till the MCC 09'...and its looking like alot of variety of competition....we did some numbers today and got 35+ local racers that say 99.9% positive they will be there....AWESOME!..thats just from ppl we have talked to directly...

I think we are getting the best mix of racers for this race...you have racers like EA and Dirla as well as myself and Rodney....but you also have a extreme stacked middle class with Bobby,Bread,Dan,...you have alot of new comers like TJ,Shug, and Ricky....and of course the BEST CLASS IN R/C JR TA!...with Daniel,Yung,Austin going for it all...

alot of prizes and give-a-ways from HPI,KRC,Hobby Lobby, ect....and ALL THE ENTRY WILL GOTO Tim B. to help rebuild his business

and you outta towners are discounted and still get FREE FOOD!

dont forget to goto the web site links to get all the info...join one of the largest TRANS-AM RACES this year....

http://coolspringsracing.com/

http://coolspringsracing.com/Music_C...mpionship.html

http://www.hpiracing.com/events/

http://www.hpiracing.com/news/2009090301/

http://www.nashrcracer.com/forum/vie...er=asc&start=0

http://www.usvintagetransam.com/events/index.html

http://www.facebook.com/USVTA#/USVTA?v=wall&viewas=0

lots of info...lol
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Old 09-15-2009, 07:03 PM   #6193
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Quote:
Originally Posted by Cain View Post
- What bodies currently are the most durable to buy?
- What bodies currently are considered the best handling?
- What bodies are a great combination of the both?
Of the legal bodies I haven't found any performance advantage/disadvantage... don't worry about that. The HPI Camaro is the most durable of the HPI bodies but the Mustangs aren't too far behind. Also the Camaro is a one piece body where the Stangs and Cuda are two piece. I also think its the easiest to mount "slammed". I think the Cuda looks bitchin' though... just reinforce the front. Actually though I think my fav body now is the Pegasus Mustang... not for everyone but I like it and is seems more durable than any of the HPI's. Not quite as detailed and no overspray film or window masks but it is really holding up very well.
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Old 09-15-2009, 07:16 PM   #6194
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Now, my question is this:

- What bodies currently are the most durable to buy?
- What bodies currently are considered the best handling?
I can tell you from my experience running this summer VTA seris at my local track, it looked like the Mustang was the most durable. Then again, I was the only one running a Mustang (HPI 1965 Ford Shelby GT-350) at every single race. All the other guys used Camaros or Cuda's. The Cuda's were the least durables. My car was the best handling one, but I don't think it was due to the body. I won first place in the series and honestly I don't think the body did anything to make the car handle better.
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Old 09-15-2009, 09:38 PM   #6195
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assuming 62T spur, 32 tooth pinion is smallest they show.
That puts you at 4.46 = ((62/34) x 2.3)

It also tells you if that is the lowest number, the lowest number of teeth you can get to mesh properly is 62 + 34 or 96 teeth.

If you make the spur a 66 and the pinion a 36, you can hit 4.22. I'm guessing you'll run out of space on the other end at around 64/28 for an FDR of 5.42. That's a pretty good range. This gets a tooth count of 102 down to 94. You will want to see if someone can loan you these ratios before you go drop cash on them first. Good luck!
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