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Post  Cribbs74 Sun Nov 13, 2016 9:48 pm

Gents,

I am designating this thread to be the official thread to discuss the upcoming tach race. With Mark Boeson's blesssing I am going to be the CD. This is a big responsibility to say the least. What I would like to do within this thread is to nail down contest specs. Maximum participation is encouraged. Please be vocal and let me know what you want. This is what I propose:

March 2017 contest date
Unlimited class
Mouse Class
Beginner Class
TD unlimited class.

All classes will be .049/.051 displacement.

I will contact major suppliers for prizes. Let me know if this works for you guys.

Prop for Mouse, Unlimited and TD APC 4.75x4
Beginner Cox grey 5x3
Fuel Sig or Cox 35%

Disclaimer: If you build an engine to compete you must accept the consequences, it's an all out race. Don't shy away because you are worried about your engine. Go big or go home!  Very Happy


Ron


Last edited by Cribbs74 on Fri Feb 17, 2017 12:02 am; edited 3 times in total
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Post  crankbndr Sun Nov 13, 2016 9:57 pm

Pick the fuel and prop you want to work with and the specs are done. Small Cox Logo
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Post  Cribbs74 Sun Nov 13, 2016 10:01 pm

I was working on that just as you posted.... Laughing
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Post  RknRusty Sun Nov 13, 2016 10:53 pm

I like the February date. The Super Bowl is Feb. 5th, so either on or after that would be my preferred choice, however Jan. 28/29 would be okay too if Mark prefers the traditional date.

I will be testing and tuning with Cox 35% fuel, and I like your prop choices. I'll probably enter an Unlimited reed valve engine, and/or a Mouse.
Rusty

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Post  JPvelo Sun Nov 13, 2016 11:12 pm

I like it. Good fuel and prop choice, should make for some good numbers. I'll send at least one entry.

Jim
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Post  Mark Boesen Sun Nov 13, 2016 11:24 pm

Works for me!

My thought with the week before was so that it doesn't interfere with NFL fans, the week after sounds just as good...it's our Super Bowl!


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Post  crankbndr Mon Nov 14, 2016 9:18 am

Gentleman start your engines!! Very Happy   I'll be sending two engines your way Ron. We are probably looking at 24K+ to be in it!!



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Post  fredvon4 Mon Nov 14, 2016 9:58 am

Ron Cribbs
Thanks so much for taking on this daunting task

Time for me to actually get off my butt and enter... BUT that would break my total procrastination history ever since CEF started Tach Races.... I sure hate to lose a 100% status point

Way too much trouble for the Official starter and RPM recorder as well as ten other hats that one guy (hopefully 2 this year if Kim can help)....has to wear---

BUT I think an all out TeeDee unlimited should be run on Bladder
Again Ron I do not think you need to fuss with he rules to provide for pressure runs....On the other hand the TRUE top rpm is only seen that way on most modded TeeDees

Now where did I hide the .051599 Tee Dee that hit 24,900 RPM on the bench when I was investigating the so called high performance cranks

Nah....can't send that one as it will never start on suction
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Post  Cribbs74 Mon Nov 14, 2016 4:35 pm

I can easily do pressure runs however, every engine would have to have a fine thread NVA and that may run some people off.

Ron
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Post  getback Tue Dec 06, 2016 4:38 pm

I got a stupid question , are the rules for engine built for the classes going to bee posted or use last years? Thanks ! Babe Bee .049
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Post  Cribbs74 Tue Dec 06, 2016 5:31 pm

I'll post rules. Just a little too busy right now to sit down and put this all together. Expect something to pop up by EOM.
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Post  Oldenginerod Tue Dec 06, 2016 5:43 pm

Can I please suggest that we just leave it up to Ron and Mark to work out the conditions/classes? If everyone starts making suggestions then it will get complicated. It'll be enough of a job just keeping up with the two main classes suggested. Personally (here I am breaking my own rule Laughing ) I think Tee Dee classes should be a separate event. Keep this one to its original format of reedies.

Not sure I'll get an engine over there this time. My "last time" Mouse winner is still sitting it its box having not been run since the race. I think I'll let it rest on its laurels. Work is just nuts, play doesn't happen much lately.

Rod.
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Post  RknRusty Tue Dec 06, 2016 10:27 pm

@Cribbs74 wrote:I can easily do pressure runs however, every engine would have to have a fine thread NVA and that may run some people off.

Ron
A Redcap will feed a stock NV just fine. I've seen Bandit do it on several occasions. But I'm only interested in seeing how fast I can make a reedy on suction can go.

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Post  JPvelo Wed Dec 07, 2016 7:21 pm

@Oldenginerod wrote:Can I please suggest that we just leave it up to Ron and Mark to work out the conditions/classes?  If everyone starts making suggestions then it will get complicated.

Amen. Let the guy running the contest come up with the rules and then build something to suit.

Jim
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Post  Mark Boesen Wed Dec 07, 2016 11:29 pm

Ron is the CD, whatever he comes up with is ok with me.
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Post  getback Thu Dec 08, 2016 3:52 pm

@Cribbs74 wrote:I'll post rules. Just a little too busy right now to sit down and put this all together. Expect something to pop up by EOM.
 Thank You Ron !! i just am short on time myself and its getting COLD lol! I Love This Forum!
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Post  Cribbs74 Mon Dec 26, 2016 5:31 pm

Ok, so as promised I am going to nail down the rules, I am going to have to push this into March because I am on the road most of Feb.

So the Contest date is officially 4-5 March 2017

Classes are as follows:

Mouse
TD unlimited
Bee Unlimited
Stock (reed valve)

Unlimited means any combination of parts or reworking of internals. As long as displacement remains .049/.051
Mouse class will strictly abide by the Paul Gibeault mouse class rules. Found here https://www.coxengineforum.com/t753-the-revised-2011-gibeault-mouse-race-program

Stock is just that. Stock Cox (or new  Cox replacement) parts only. However, one may play around with fits and finishes to provide the best running engine as possible. This class is reed valve only. Cylinders are limited to #1 or #2's  and heads must be stock low compression heads

Fuel will be SIG 35% all classes.
Prop will be APC 4.75x4 for all unlimited classes.
Prop for Stock class will be Cox 5x3 grey.

PM me for my address.
All engines sent must include return postage.

Good luck guys and get cracking!!!

Ron


Last edited by Cribbs74 on Sun Jan 01, 2017 12:25 am; edited 4 times in total
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Post  getback Mon Dec 26, 2016 5:58 pm

Got it Thank You , Ron ! Babe Bee .049
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Post  GWILLIEFOX Sat Dec 31, 2016 8:38 am

What plug will be used in the stock Class?

What class will the Space Hopper run In?

Looking forward to a good contest Ron!
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Post  Cribbs74 Sun Jan 01, 2017 12:12 am

I updated the rules as I was a little vague concerning the stock class. To answer your question a Space Hopper can run in stock or Unlimited if you are inclined to modify it from stock.

Ron
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Post  GWILLIEFOX Tue Feb 07, 2017 12:59 pm

Is anyone entering the tach race this Year? There doesn't seem to be any buzz.
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Post  pkrankow Tue Feb 07, 2017 1:13 pm

I thought I was but I haven't done anything to prepare or even send an engine I have that is already built. Kinda forgot due to the lack of noise.

lol! ?

Phil
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Post  Cribbs74 Wed Feb 08, 2017 2:07 am

Partly my fault, been very busy with work. I have yet to hit up Bernie and Matt. I'll make time for that in the next couple days. You guys are right though it has been quiet since I first posted about it. Usually the buzz keps the thread going so it has me a little worried.
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Post  GWILLIEFOX Wed Feb 08, 2017 9:05 am

With less tHan 4 weeks until the official run date, will there realistically be a Race? I have 2 engines ready, but flying season is coming up and I don't know whether to spend time on my unlimited.
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Post  getback Wed Feb 08, 2017 9:16 am

I hope so !! i have 2 at this time ready but am concerned about the Stock (reed valve) class i have a Baby Bee P40 three pieces pis/rod and i don't think that will compete with a Space Hopper ?? Is it going to any stock against any other Stock engine ?? Huh...
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