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Type: Posts; User: James35

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  1. Replies
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    Greetings. Where do you race?

    Greetings. Where do you race?
  2. I would be glad to help. Send me your email and...

    I would be glad to help. Send me your email and I'll write up the details. James@mcpappyracing.com
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    New updated version of the Pinion Trees

    New updated version of our Pinion Trees has just been released. They now have a 2-tone aluminum core color! We machined the edges after anodizing for an improved look. We also machined the numbers...
  4. Thread: rtc

    by James35
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    TOUR rules and classes can be seen here: ...

    TOUR rules and classes can be seen here: https://www.facebook.com/groups/1464534463840844/
  5. Thread: rtc

    by James35
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    It's not a problem. You'd just put the servo tape...

    It's not a problem. You'd just put the servo tape on different sides of the speed controller.
    Or if you run the Pro RTC class, it uses 2S (2 cell) with a 17.5 motor and you can use a tiny $55...
  6. Thread: rtc

    by James35
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    Yep, it works great. I'd recommend softer side...

    Yep, it works great. I'd recommend softer side springs. Most importantly, keep the speedo where it should be. Stand it up vertically if you have to. That is much better than putting it on the right...
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    This can be a lot of things, but theoretically,...

    This can be a lot of things, but theoretically, you'd want thinner side shock oil. Continuing to turn after the corner can caused by the car staying leaned over too long after the corner. Thinner oil...
  8. New product: Emulsion Conversion for small pan car shocks

    This will convert your small 7mm pan car bladder shock (Silva HSP2, XRAY X12, Hot Bodies Cyclone 12, CRC Encore Micro shock, etc.) into an emulsion shock. Emulsion shocks provide instant...
  9. McPappy Racing wins 2018 Snowbird Nationals Oval Cup Championship!

    Dominic Ruggiere won the Pro Modified A-Main and took 4th in the 10.5 Open A-Main which makes him the overall Oval Cup Champion. (He was heading for 1st or 2nd in the 10.5 race, but got spun out...
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    Yes. We have some customers using it for the...

    Yes. We have some customers using it for the Baja. We now offer a 21" version.
  11. Very well thank you. More than just RC racers...

    Very well thank you. More than just RC racers like it. We've sold them to electric skateboarding companies, NASA, and even Duracell is testing their batteries in toys on the our dynos.
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    I see them come up occasionally on RC Carpet Oval...

    I see them come up occasionally on RC Carpet Oval Racing group on facebook. https://www.facebook.com/groups/746227722076899/
    If you are looking for motor to motor only, like this one:...
  13. McPappy Racing Dyno version 2.0 for any scale - 2WD and 4WD

    I'm happy to announce a project I've been working on for a while. The new dyno comes in 3 different sizes, 2WD and 4WD, chassis testing or motor to motor testing, 4 different load levels, built...
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    COT bumpers redesigned and back in stock.

    The COT bumpers have been redesigned and are back in stock. We removed the tungsten section on the left front, changed the 8-32 slots to holes, and now are using 2.0mm carbon fiber instead of 2.5mm....
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    Helping Hands Hobby Vise

    We are happy to release our latest Helping Hands tool. The Helping Hands hobby vise was designed to hold small parts, models, crafting, hobby items, hold items for polishing, jewelry, circuit boards,...
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    The rollout mentioned above is probably going to...

    The rollout mentioned above is probably going to be about right for you. You might be even higher than 4.50 since your track is slightly bigger. General rules of thumbs: More motor windings = more...
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    It doesn't matter what side shock you run. Length...

    It doesn't matter what side shock you run. Length is the same. Fully extended pivot point to pivot point is 3.00".
    AE oil is usually 30-35wt. Silvas are usually 70-80wt for the same feel.
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    Absolutely. The Mcallister body weighs a ton...

    Absolutely. The Mcallister body weighs a ton more.
    Protoform all the way.
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    Thanks for helping. I will look for it. I can...

    Thanks for helping. I will look for it. I can give you better images (more up to date) than the current sheet.
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    When someone says 10k, it's a machining term....

    When someone says 10k, it's a machining term. It's an easy way to write 10 thousandth's of an inch (aka "10 thou"). So 315k (315 thou) = .315".
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    AE shocks are used by most of the top drivers,...

    AE shocks are used by most of the top drivers, but it's a personal preference. Instead of thinking of it like, which is better, think of it more like, don't change a known setup if you don't have...
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    Congrats on your successes! The steering blocks...

    Congrats on your successes! The steering blocks are .345" +/- .010"
  23. Replies
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    The ORC HD-2500 has a slight V shape to it. ...

    The ORC HD-2500 has a slight V shape to it. That's probably what you are referring to.
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    Yes we do.

    Yes we do.
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    For $100 more, you get about $180 worth of...

    For $100 more, you get about $180 worth of goodies by going from the Standard kit up to the Team Kit. Examples of things you get:


    All aluminum screws (saves 1oz of weight so you can use more...
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    At this time, we don't have any in stock, sorry. ...

    At this time, we don't have any in stock, sorry. I'm not sure of the time frame.
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    Sounds like you choose the wrong motor screw hole...

    Sounds like you choose the wrong motor screw hole selections because our cars can fit huge gears. With that 96 spur, you can fit 80T pinion (64p). I recommend one motor screw on top, one on the...
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    It's the same formula as before. Nothing changes....

    It's the same formula as before. Nothing changes.
    Tire Diameter x 3.14 x pinion / spur

    To find the equivalent 84 pitch gear to a known 64 pitch gear:
    There are approximately 32% more teeth on 84...
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    3.00" (from pivot point to pivot point.)

    3.00" (from pivot point to pivot point.)
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    McDominator 2.1 released

    This is the new McDominator 2.1 chassis that won Snowbirds. During testing, we called it the Dominic 2.1 because Dominic lead the testing along with Ryan and Chuck. Ed Baggot and a few others tested...
  31. McPappy Racing takes a big win at Snowbird Nationals!

    Ryan Weeks TQ's and wins the largest class Stock Spec 13.5 at Snowbirds! 90 racers in that class! On the tone, he pulled away and lead the whole race unchallenged.
    ...
  32. New products: 45x3mm aluminum turnbuckles and Silva HSP2 Shock extenders

    We just added 2 new products to our web store:
    McPappy Racing 45x3mm aluminum turnbuckles are lightweight and are the exact length needed if you are using TC6 eyelets on a 1/10th pan car.
    We...
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    A flat servo is harder to get bumpsteer solved...

    A flat servo is harder to get bumpsteer solved because it's hard to get a good angle on the right turnbuckle. It usually requires using lots of spacers underneath the ballcup/Dubro/TC6. Usually you...
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    What chassis are you running?

    What chassis are you running?
  35. Thread: Front ends

    by James35
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    What do you mean when you say "Now I'm starting...

    What do you mean when you say "Now I'm starting to go for a better roll center" and "a ton of LF jacking force."
    As for contact patch on the straight, my personal testing has revealed that it was...
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    McPappy Racing CNC Machine

    This CNC machine is the latest addition to our McPappy Racing team. It will help our team test prototypes faster. I've had the CNC machine for a couple of years, but I just finished designing and...
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    Since you are running Spec tires, there's not...

    Since you are running Spec tires, there's not much you can do. Here are a few tips to reduce tire grip:


    Smaller diameter
    Less front contact patch by increasing RF caster and/or camber.
    ...
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    84 pitch pinions and spurs

    In preparation to start designing the 84 pitch pinion trees, I bought a few extra "oval racer sized" sets and put them in our web store.
    ...
  39. Lightweight single arm center shock mounts available.

    Lightweight single arm center shock mounts are now available.
    http://www.mcpappyracing.com/store/product_images/p/272/IMG_5108e__17346_std.jpg
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    Pinion Trees now available

    McPappy Racing Pinion Trees
    http://mcpappyracing.com/pinion_tree.php


    This functional piece of art was designed to last a lifetime. Made with the highest quality materials. Real 4mm thick...
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    Contact me. I've got some extras I can sell you.

    Contact me. I've got some extras I can sell you.
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    I don't have one, but most manufacturers drill...

    I don't have one, but most manufacturers drill .079" to accommodate a .078" hingepin. So far, the .079" fits the best on most front ends. What does your current hingepin caliper at?
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    Hardened Steel Hingepins now available

    These are hardened tool steel hingepins, precision ground, sold in your choice of diameter. Shaft diameter tolerance is a very consistent and precise +0.0003". They've been hardened with a molten...
  44. New Spring Steel T-Plate options are now available

    New Spring Steel T-plate options are now available!
    The spring steel material is now available in 3 choices:


    0.025" thick
    0.032" thick (original)
    0.035" thick
    ...
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    The COT bumper is best if you are a new driver or...

    The COT bumper is best if you are a new driver or racing with lower skilled drivers because of 2 reasons. #1, the shallow length gives you room to run a foam bumper. It's also made of 2.5mm carbon...
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    Great to have you with racing with us Rich!

    Great to have you with racing with us Rich!
  47. Thread: speedo wiring

    by James35
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    Personally, I haven't done any testing with that...

    Personally, I haven't done any testing with that yet.
  48. Thread: Front ends

    by James35
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    Yeah, if you don't space up the left caster...

    Yeah, if you don't space up the left caster block, the car will be very aggressive due to the low front roll center.
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    Welcome to the new McPappy Racing Forum

    Welcome to the new McPappy Racing Forum!

    There are lots of McPappy racers spread out over the country and Canada, so one of the ways that we can enhance communication is our own discussion...
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