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Old 11-28-2016, 06:06 AM
  #946  
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I'm sure John is still sleeping from his 12 hour drive home from the Champs.

I already messaged him about orders and forwarded all the PM's to him.

I know backorders were built while at the Champs and will be shipping out.

Another shipment of motors will be here this week.
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Old 11-28-2016, 06:17 AM
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Thanks again for the screaming fast motors for the US indoor!
It's not just great motors but you pay for a super level of service.
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Old 11-28-2016, 10:22 AM
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What is it that is actually changing on the newest batch of motors from all the vendors? I know the last revision of all mfg's motors went to a short stack. What is the big change this time that is making all the newest motors so fast? Obviously I am not asking for the mfg specs and secrets. Just trying to get my head around differences.
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Old 11-28-2016, 11:12 AM
  #949  
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Originally Posted by Jamie Hanson
What is it that is actually changing on the newest batch of motors from all the vendors? I know the last revision of all mfg's motors went to a short stack. What is the big change this time that is making all the newest motors so fast? Obviously I am not asking for the mfg specs and secrets. Just trying to get my head around differences.
Motors have evolved so much the last few years.
Like you said from a standard stack (19.7mm) to a short stack (19.3mm).
With the lower resistance and increase in current draw we focused on making the motor run cooler and be more efficient.
The can has been machined for better air flow and a huge reduction in weight (13g or so).
The sensor board and rotor are still interchangeable with previous version motors, no change to them.
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Old 11-28-2016, 12:18 PM
  #950  
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Originally Posted by sg1
Motors have evolved so much the last few years.
Like you said from a standard stack (19.7mm) to a short stack (19.3mm).
With the lower resistance and increase in current draw we focused on making the motor run cooler and be more efficient.
The can has been machined for better air flow and a huge reduction in weight (13g or so).
The sensor board and rotor are still interchangeable with previous version motors, no change to them.
How much resistance can be decreased and still stay within the ROAR approval process, or has ROAR revamped their specs?
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Old 11-28-2016, 12:23 PM
  #951  
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Originally Posted by Jamie Hanson
How much resistance can be decreased and still stay within the ROAR approval process, or has ROAR revamped their specs?
There are no minimum resistance specs (except for the 25.5, that's 101 at 77*F)

As long as the Min. stack length is met, diameter of wire, and number of turns are all within limits the resistance is a reference number.
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Old 11-28-2016, 12:57 PM
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As far as minimum resistance goes I feel this is the 2nd yr that resistance has dropped lower than the D3.5 was (mid 19s on a 17.5) and this yr team scream had done their homework and paid the $ in R.D. to take a giant step forward in making a 17.5 run as fast as a 13.5 and run without ANY fade if geared property.
When was the last time you timed and geared a 17.5 like you would a 13.5 wild!
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Old 11-30-2016, 10:04 AM
  #953  
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WIth the new 17.5 motors. What's a good starting point for FDR and timing? It's a carpet with a 110' straight. Thanks for the help in advance
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Old 11-30-2016, 10:10 AM
  #954  
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Originally Posted by Juan Aveytia
WIth the new 17.5 motors. What's a good starting point for FDR and timing? It's a carpet with a 110' straight. Thanks for the help in advance
Depending on traction,
I'd guess 45*/46* total timing on motolyser and a 4.0 to 4.1 FDR.

The motor will produce alot of RPM, you don't want to overgear it.
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Old 11-30-2016, 04:17 PM
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Team Scream has great products for true racer's and the best customer service!
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Old 11-30-2016, 05:33 PM
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Thanks SG1
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Old 11-30-2016, 06:39 PM
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OK John C is world-class.
Met with him and got the 411 on how his company operates ,and I will say I'm impressed with his forwardness on the reality of a hit product and how overwhelmed he has been with just how good his product turned out ... I'll say this these motors have a impressive sweet spot ... Matt ran his usgt car from 3.64 @44° timing up to 3.88 @ 50° timing and seemed to have little fade either way . But did come off cooler @ 3.64 it wasnt quite as punchy but had more top end and a noticeable midrange pull .
3.8 is what he ran in the main to pull off the killer pass coming onto the strait . And motor came off @ 140°
The 17.5 seems to have the same feel
3.72 @ 46°
4.24 @ 51°
About a 4.0 @ 48 is a good middle ground to start with ... He was able to turn fast laps thru out the race with any of the fdr in this range ... Pretty remarkable motor .
Never quite got much time to push his 13.5 car to its ability ... Ran it @ 4.3 @ 48° and just drove it to tq and the win .
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Old 12-01-2016, 06:00 AM
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So did the shipment show on the 29th as promised and back orders filling soon?
JR
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Old 12-01-2016, 06:07 AM
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Originally Posted by jlfx car audio
OK John C is world-class.
Met with him and got the 411 on how his company operates ,and I will say I'm impressed with his forwardness on the reality of a hit product and how overwhelmed he has been with just how good his product turned out ... I'll say this these motors have a impressive sweet spot ... Matt ran his usgt car from 3.64 @44° timing up to 3.88 @ 50° timing and seemed to have little fade either way . But did come off cooler @ 3.64 it wasnt quite as punchy but had more top end and a noticeable midrange pull .
3.8 is what he ran in the main to pull off the killer pass coming onto the strait . And motor came off @ 140°
The 17.5 seems to have the same feel
3.72 @ 46°
4.24 @ 51°
About a 4.0 @ 48 is a good middle ground to start with ... He was able to turn fast laps thru out the race with any of the fdr in this range ... Pretty remarkable motor .
Never quite got much time to push his 13.5 car to its ability ... Ran it @ 4.3 @ 48° and just drove it to tq and the win .
Thanks for sharing Justin... Congrats to Matt for is awesome week.
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Old 12-01-2016, 08:04 AM
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Originally Posted by JRnotEwing
So did the shipment show on the 29th as promised and back orders filling soon?
JR
How long have you been waiting? Thinking about getting a motor but need it by the end of the month.
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