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I’ve done a bit more thinking on an air moving blower again a resin printed scroll type is best by using a number 27 stepper motor planetary gear turned around so it’s a gear up I YHINK you could get enough impeller speed to move a lot of air through those small intake tubes you cou still use...

I meant son and grand son above. I’ve used dremel tool to carve small chip breakers in HSS reel tools then hone sharp cutting edges Nice radius so bird nesting goes away on light cuts or is a minimum . My latest. Ordered the mill it’s a round post and very hard to raise and lower do Z...

I just came across c&h ignitions they can make any thing you want do ignitions should be easy I’ve used their products for years in my Rc warbirds with no issues . I just moved a couple that whole old worked gin when stored just need battery and switch connections it looked like the Hal...

I model cutting tools got the manual lathe as don and grand don havent had real big shop experience then we work on TIG. Welding stuff . I have limited vision so I’m just instructor I’m not even dupposrf to be around machinery . Just have to be extra carefull at all times .

When I went back to school for Eng degree I absolutely hated drafting board . Computers were just coming online I had a pretty fancy calculator so bi was ably to place the slide rule on bottom drawer an I could see the next step was cad so I jumped onboard tool make class had a primitive black...

So move is completed now have to set up med stuff then start living again

Try Teflon ring or

Rember in hurricane Hugo I got caught up in it in the middle of job change large long leaf pine tree fell across my twin dog kennel jamming the gates I had a tiny Mac chain saw that took entire week end to cut enough of it off do I could unbolt the gates dogs were happy to get out . I also...

Sometimes just clamping s copper tubing coupler in the three jaw with a small round piece in it then face off the excess coupling that might give you a bit more clamping size.

Glad to see you purchased some really difficult to make parts. I’d add roller lifters too . I had some made for a machine I had built in industry my initial test of them was done on a Bridgeport mill it ran near full speed for two eeeks 24/7 the shop mgr finally shut it off so the mill would...

Hi all in looking back at some of my Rc aircraft I came across the super tiger in-line twin glow fuel engine . This was a much Mal alighned engine few ran up to potential. I had a drawing of the construction but that’s long gone . As I recall it had a knuckle type of joined crankshaft This...

I pretty much gree with young choice of material would be 7075 purely because it machines so Nicely were I to be the model engine designer I would look toward piston ring mfgrs and us a standard ring that I could purchase Making cast iron rings and installing these home made things can be an...

I’ve been to various farm shows and seen hit and Miss engines that run all day on a gallon of water some use an addition gallon if they sit out on the open range, according to owners .

Also check into the waterless automotive coolants these seem to have considerably higher boiling point . We used this in a supercharged hot rod that had continuous cooling issues problem solved . In another Streetrod we switched to a double pass radiator this solved most of the issues but we...

You have already blown by my limited electronic knowledge. Years ago I started flying giant scale warbirds with available gas two strokes . Initially these all had mag ignitions and were non adjustable . In fact it was the prop location that made starting easier . Being curious I connected my...

I agree also don’t forget the spark plug wires automotive wires are 7 or 8 mm although the big top fuel magneto wires can be even bigger they can dwarf the intake manifold tubes on model engines .

You might look into motorcycle radiators my hon had a pair from his dirt bike that we used as oil coolers for his sand buggy. They are aluminum and pretty easy to mount . I welded brackets on ours .

Well another long needle injection in tummy. I YHINK just the thought of it makes it worse. I wanted to take a picture of the “ war weapon” but they said they prefer I not do this . At least the doc review was very good . 2 more to go then he thinks I’ll be in full remission . And energy...

Just had physical therapy. I’m doing ok. I guess, no pains waiting for stitches to be removed from minor operation site. Summer has been about average not too many really hot days lots of rain however . Just an extension of massive winter snow falls . Can’t complain I guess others are much...