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Pre-Ignition is usually under load I had no pre-ignition in that engine just no power. You have understand that the engine I ran was on straight methanol with 10 cc of nitro so if I got a pre-ignition my piston was gone in about 2 seconds because did that at one time to much nitro temp gauges go...

Gus it's all your fault just ordered Gears and Gear Cutters, Dividing, and Tool and Cutter Sharpening $26.65 for all three free shipping from Abebooks. Todd I can never have enough books!

Just a thought but could you have to much compression? I ran two stroke kart engines in the 70's and we had modified the cyl head for a better flow. When we ran it we had low power after a compression test we were over 300psi. Got it back to about 125psi and it worked fine. I know you've been...

I found the book and a couple of others that look good from Abebooks.com I will get them tomorrow they don't use Verisign for charges or even paypal so I'll call to order them. $8.89 a book no shipping Amazon was $21. Todd

Thanks that's one site I've had this site has the right cutter for my gears http://www.msdiscount.com/columnar.aspx?cat_id=7147&category_site=STARTOOL about $40 each. I'd still like to learn what you are doing and how with the gear cutting. Todd

You just have to remember grandkids are to spoil then send home, at least that's what my dad said!!

If you have a surface grinder I made a fixture to grind it the same every time it takes longer to start the grinder than to touch up the tool. You can do the same with a belt sander or a bench grinder if you take the time to make a proper tool to do the job. It's worth the time to make a fixture...

Gus thanks that would be great I'd like to make my own gears between the 4 engines I'm looking to build I'm looking at close to 40 gears, I lost count on the 270 Offy. Thanks, Todd

Nice job how about doing another 27 so I can do my engines, no I'll be doing mine by hand don't have CNC. They look great as I said I like what you've done to improve the design it looks a whole lot better to me!! Todd:cool:

Gus I could not find the chart you talked about I'd like a copy because I still need gears for my radial builds. Thanks Todd

Very nice job that should come in very handy. There are plans for something similar at http://www.modelenginebuilder.com/ called a Scriber in issue #28 for making dials and such. Todd

OPPS! That's what I get for using the Ipad, pain in the butt auto corrects every thing I at times I miss it. How about 35' x 51' x 15' high with another 24' x 35' to park cars out of the sun. Bad part is it's still not big enough!!! Todd

It's not the gauge it's the electronics two of the same gauges B&S do the same thing we all stopped using them to true up cam bars in the CNC machines at GM. Sorry to hear about your gauge problem hope you get it all worked out, I'll be getting back to the shop this weekend I hope was in the...

I don't use a fish any more I butt the QCTP up to the squared work piece of work. It's seems to be easier for me and the threads look great. I'll have to find the articles but they all so stated to cross feed fine threads and to compound feed coarse threads due to amounts of material being cut...

I've had about 5 indicators from past buys and mine are 3/8" I had to make a holder for my mag base I thought about using my digitals and I may try them just to see but they are slow to react that is why we stopped using them on spindle at work. I hear what all the post are saying but if I key...

I just got a heater set up in my shop it's 125000 btu on propane, now understand the whole shop is 35"x51" with 15" ceiling the problem I'm finding is it takes a long time to heat all that darn steel. The metal shop and the wood shop are 24"x17" in the back half the front is a 12000# two post...

Here are a few pages that show the proper way to set up and cut a thread these are from the Army manual. It might help because it shows how to set up the compound and the tool for cutting threads. Also had another thought be sure that you are reading the right angle on the compound mine has two...

I'd have agree with velocette the thread looks wrong, compound is usually set to 29-29 1/2 deg I use 29 it seems to clean up better and the tool should be square to the work piece with a fish. When you cut it should just skim the back side of the cutter to give you a clean thread. Look it the...

I have fruit trees, strawberry, asparagus, raspberry, blueberry, blackberry, and pumpkins in my garden in Tennessee and they come back every year no replanting. In New York I had the same but no fruit trees and they came back every year to. Just have to plant other veggies they don't take the...

I don't know what you guys have to work with but if you make an offset holder to put in a spinner or a means to rotate the part and use an end mill to cut it or I plan on a circular cutter. The reason I'm looking at a circular cutter is that is the way we made the cranks for GM engines and it...