IMPBA’s new P-limited “spec” class rule proposal.

[T.S.Davis]

I had several racers that I respect greatly tell me that boat was wicked good at the nationals and once my buddy Fred figured it out he was going to be tough to beat.

In fact, by the final heat he was pulling away from the boat that won the class. If Fred had more stick time prior to the race he may have placed even better. All that speed on a plain jane AQ setup. Nobody was whipping up on this boat by using a Castle120.

[mannytx1]

Only limit the size and model. And put whatever you want. DICTATORSHIP. This limits the creativity

[don ferrette]

Only limit the size and model. And put whatever you want. DICTATORSHIP. This limits the creativity

Are you like bored or something, this thread had sat dormant for over TWO YEARS. And for what it's worth, for us the P-Limited classes have been working GREAT during those TWO YEARS.

[Doby]

Only limit the size and model. And put whatever you want. DICTATORSHIP. This limits the creativity

That would be the P class...so what you want already exists....this thread is about P-Spec

[HTVboats]

Maybe it is time to review any desire for an IMPBA class again. D-12/13 is working very well as well as other places. I have several been to several events in Fl, Ga and SC and have not seen a motor problem anywhere. I have run with and without a mandated ESC and can't see any difference other than a few Florida boats wont go north because of not having AQ ESC's. They are doing well without us so no harm no foul. I would like to see an IMPBA official class rule structure even if it is done as a sport class with no record recognition. Be nice if we mirrored NAMBA but that never seems to happen. Good news is N-P-Q-S classes are ready for anyone who wants to move up.
Mic

[RandyatBBY]

I've baked all the RTR motors except the AQ 1800 that comes in the Motley. Well....yet. I've torched both of the AQ speedos too. It's going to happen if you push.

My fastest LSH runs an AQ speedo. In 2009 I took second at the nats with a Castle and a ProBoat motor. The AQ setup is faster and runs cooler but it's a better boat too.

My 27" JAE spec rigger is pretty fast when I don't graze the pins. Crunchy. That one is all AQ.

My LSO runs an AQ1800 with a Castle120. I found the speedo in one of my boxes and the motor was on loan so I threw it in there. I ran the Castle purely because I had one. Works great.......but it never wins a heat.

One thing is for sure. If you buy the rtr speedo you wont be running that speedo in a higher performance class. To do that you have to buy more equipment.

Why does IMPBA insist on being a little different on so many things? I don't get it. We've been running the spec classes in NAMBA since the SV came out. Why not refer to that historical evidence? 3 or 4 years of history including multiple nationals. The history has shown us that the speedos don't really make the difference between winning and losing.

You are dead on! I am glad I do not run in IMPBA. I could repeat exactly what you said other wise. What is thia world coming to when I totaly agree with Terry???

[RandyatBBY]

Are you like bored or something, this thread had sat dormant for over TWO YEARS. And for what it's worth, for us the P-Limited classes have been working GREAT during those TWO YEARS.

That is true, I did not catch that.

[T.S.Davis]

Haha. I've since baked an 1800. Shorted it out in a crash though so my fault. DOH

Old dead horse but still the fastest spec sport I've seen to date was/is running the AQ speedo. Advantage AQ I guess.

[Chilli]

Maybe it is time to review any desire for an IMPBA class again. D-12/13 is working very well as well as other places. I have several been to several events in Fl, Ga and SC and have not seen a motor problem anywhere. I have run with and without a mandated ESC and can't see any difference other than a few Florida boats wont go north because of not having AQ ESC's. They are doing well without us so no harm no foul. I would like to see an IMPBA official class rule structure even if it is done as a sport class with no record recognition. Be nice if we mirrored NAMBA but that never seems to happen. Good news is N-P-Q-S classes are ready for anyone who wants to move up.
Mic

Mic the World Tunnel Championships in D13 mirrored their P-Lim rules from a NAMBA Club in Florida before NAMBA came up with a national class. And D12 mirrored the WTC Rules to keep our tunnel boaters happy who already had P-Lim Tunnel boats that ran at the WTC. It would be nice if everyone had the same rules and it's a shame that it is preventing some from traveling outside their district or sanctioning body. But people still feel strongly on both sides of the issue and that's why Chris decided to keep everything the way it is. The most popular classes in D12 the last couple of years has been the Limited classes and the Stock Gas class (both are district classes). The vast majority (95%) of racers in the district are happy with the rules. I couldn't support any change. So I'm afraid were still hopelessly deadlocked.

[Chilli]

Only limit the size and model. And put whatever you want. DICTATORSHIP. This limits the creativity

How can you say DICTATORSHIP when the IMPBA gives each club and/or district has the autonomy to run what ever class or rules they choose (safety rules excluded)?

Here is a link to the IMPBA Rule book. Why don't you take a look at it.. http://www.impba.net/index.php?optio...=132&Itemid=61

[egneg]

I was just looking through the IMPBA rule book and noticed it stated that only 1 battery pack is allowed. The D12 FE rules don't mention it. How are folks running 10s boats?

[Chilli]

From The Book: A ‘pack’ is defined as the cell(s) wired in series or parallel or any wiring combination that is used to provide electrical power to the speed control for the purpose of driving the electrical motor(s).

So......... Multiple packs "as they come from the manufacturer" are considered one pack if they are wired together in series or parallel. The only situations that I see affected by this rule are if someone runs a motor off two ESC's (which I have never seen) or when running twins. On a twin you cannot have one pack connected to each controller. They have to tied together before splitting off to the two ESC's. (don't ask me why?)

[egneg]

Ok, I know I ran 4S2P - b/P mono and 2-2S in series to make 4S B/P lim hydro in 2010 and nothing was said. I was just checking before I invested in 4-5S packs to run 10S2P in open Nitro/FE hydro. The way the rule is written is a bit confusing.

Thanks Mike.

[Chilli]

I agree. I was scratching my head the first time I saw it. I had to ask Doug for clarification. Maybe they should change "battery pack" to "power source".

Can't wait to see the beast run!!

[egneg]

Can't wait to see the beast run!!

I checked a couple of speed calculators and one said it will do 74 (but I was limited to certain props) The other one said it will do 82 mph with correct prop info.


I will be happy if it does mid 60's.