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Old 03-26-2003, 03:22 AM   #1
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Default Speedies...

Im having trouble deciding what speedy to buy.
I am racing stock 27 turn and 540 at the moment.
My choices are: LRP QUANTUM COMPETITION OR
LRP IPC V7.1 DIGITAL.
What do you all suggest??? the price difference is $100 australian.
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Old 03-26-2003, 04:08 AM   #2
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The advantages of the QC is size, soldering posts and punch adjustability.

There's an on going rumour about Quantums blowing up for no reason. However, there's a couple in our club, and they've never had any trouble.

The advantages of the 7.1 are better specs and it's wll proven.

Personally, I'm running the 7.1 in stock class. It needs a little more punch, but the problem wasnt bigger, than I could adjust it away on my TX. It has to be said, that I used the 7.1 year, without making this adjustment.

If I had to buy a new speedo today, it would be one of these:



LC-Display - programmable read and set for all parameters
PC Interface - download of user defined Profiles (optional)
Mini Gold Connector - replaceable power wires without soldering
Single Button Setup - build in, optional external Power Switch/Single Button Setup

Specification:
Voltage Input: 4-8 cells
On-Resistance: <0,001 Ohm
Recommended motor: > 9 Turns
B.E.C. Output Voltage: 6.0 V
B.E.C. Impulse current: 3.0 A
B.E.C. Constant current: 1.0 A
Case Size: 33x23x16mm
Weight: 22 g



Info:

The great thing about the CS, is it can change the drive frequency depending on how fast you move the throttle.
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Old 03-26-2003, 04:43 AM   #3
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Default Couple of Q's..

I really like the prospect of getting the IPC v7.1 because apparently it puts out 250amps, is this correct? and once you adjusted your tx did the speedy peform better???
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Old 03-26-2003, 04:51 AM   #4
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Maybe I should add.... I've never regretted that I bought the 7.1. A feature I really like, is that the auto brake are adjustable.

TX adjustment; What I did was applying a little off set for the throttle. On my Presto, it's set at "20". That helped a lot. Maybe it could be nice with more punch in the mid-range. But on the other hand, it wont give me an extra lap @ 5 minutes !
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Old 03-26-2003, 05:16 AM   #5
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Default Thanx Cole

Thanx for that info Cole, i have done some research on the net and i think i will go for the V7.1. Its continuous amp output and its functions seem to be what i want at the moment. (until i go brushless in mod where i get a run system with the motor).
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Old 03-26-2003, 05:46 AM   #6
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Oh, I forgot your amp Q;

Continous (5 min) : 100 amps.
Brief (30 sec) : 165 amps.
Peak (1 sec) : 690 amps.

Not to forget the BEC wich delivers 6 volt / 3 amps. Your servo gonna love it ! It'll be able to deliver its best.

Maybe you'd like to se the manual
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