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What is working good on 50% nitro? Thanks!

Who has one in stock? Thanks.

O.K., I'm feeling cheap. I have a couple "small" Don Ferrette needle bases, but none of the "large" ones. Is there any chance a "small" base with the fine O.S. needle work on a CMB .67 Green Head running 50% nitro on a 1/8 scale? Thanks!

I'm revisiting an infrared timing system with a twist. This one will be installed on my pond or our club's pond during test and tune days. The display shown below has 5" tall LED digits and will be on the shore for easy driver's view. Every time a boat passes through the traps, the front chute...

I'm at the point of grinding on the prop shaft for the drive dog and wanted to know the minimum and maximum total hub lengths for the popular F-Hydro props. The total hub length range seems to be about 7/8" to 1.25". Does that sound right? Or am I missing an odd prop? Thanks!

This is going to be an awesome race! Get signed up on RcRacingEvents as soon as possible.

We are looking for some feedback. The race would be in the middle of July. Thanks! http://www.intlwaters.com/index.php?showtopic=67546

What do people run for boom tube sizes in their .90 riggers? I'm wondering if solid 3/8" carbon tubes would work good. Let me know what you run. Thanks!

I hope to have my Alpha 27 powered Envy ready to run for the first time in 1-2 weeks. I'm looking for any suggestions like initial carb settings, oil type and percentage, and fuel used. Also any other info that you think might be important for someone who is relatively new to gas. Most of my...

I'm looking for 6-32 or 8-32 male spherical rod-ends. Anyone know a source? Thanks!

What's involved in squaring your own flex shaft? Do people use a die with a press? If so, is a 20 ton shop press enough and does someone sell dies? Thanks for any info on the subject! I need to square a standard flex shaft assembly because I can not use a flex ferrule setup. If squaring is...

What's the thread size on a CMB 1.01? I hear the CMB 1.01 and CMB Alpha 27cc take the same collet. I want to order a Aeromarine collet for my CMB Alpha, but Aeromarine lists no thread size for their CMB 1.01 collet. Makes sense? I'm confused as I reread it.... Thanks for any input on CMB...

I'm building a Zippkit Envy to race this season. It will be powered by a CMB Alpha 27. Below are some pictures.

Does anyone have experience with this TIG welder? I'm looking for a TIG welder to weld thin gauge aluminum and stainless steel. Thanks for any info. http://www.eastwood.com/tig-welders-eastwood-tig-ac-dc-welder.html

Does the 4PLS allow you to assign the 3rd channel to a dial or button that works well for 3rd channel needle control?? I want to not remove my hand from the steering wheel when making needle adjustments. Thanks.

How is this new engine working out for folks running it in single engine F-Hydro applications? How does it compare to the .91 VAC? Thanks!

Results from this past weekend's NY Championship Series race is posted here.... http://stnymbc.boards.net/thread/19/september-13-series-race-results

I might machine a Delrin servo mount. Will Delrin adhere to wood using epoxy? I have had good luck using aluminum and epoxy, but have no experience with Delrin and epoxy. Thanks.

The August 16-17 NY Series IMPBA race had a great turnout with 69 boats. A lot of competitive model boat racing! Results are posted on the Southern Tier forum. http://www.stnymbc.boards.net/thread/18/august-16-series-race-results