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I was looking at 8 for a while then got sidetracked by Plasticity. They are adding XNURBS to the Studio package ($300) which will be cheaper than the addon in Rhino ($400?). I'm still keeping an eye out for Rhino 8 some day. I know I wouldn't be disappointed with it.

A small prony brake build would be interesting to see! I've welded brand new AN aircraft fittings together just by spinning them on by hand while chatting. It wasn't like galling and torque was mostly from the inertial spinning. The threads had welded together at atom level and removal left two...

Yeah, same goes for repairs that are too stiff. Loads will concentrate instead of dumping smoothly through the structure. Even the magic puters can't calculate and predict with the accuracy that fatigue and ultimate test articles can provide.

Ha, no my bad it was likely injected. The vehicles are old but the engines in this class were pretty fancy.

Speaking of carburetors...it appears this fuel line disconnected itself from the carb at full pressure and atomized nicely (demo derby last night). You can see the S shape on the flame. The flame was twice this size before I shot this video. My wife heard the crowd roar from inside the house...

Something I see interesting from a high level risk analysis perspective. If the greatest variable in a newbie build is the solder joint quality, it seems like having a wall on the thin side would tip the operator of an impending failure. This would be as opposed to having everything overly built...

Thoroughly enjoying this thread. I used the hand test on turbine fuel-oil heaters after shutdowns. So many opportunities in so many fields to melt calibrated skin! I set the bearing preload on my Sherlines the same way. If the heat stabilized on the spindle, I was happy. Something I really like...

We had a 4360 core in school. Pretty mind-boggling thinking about fuel air distribution and changing all those spark plugs! Would it be too much a compromise to run multiple carbs?

Not totally necessary but leveling in a specific location with three pads and having a fourth foot to stabilize works well if you have tall height gauges.

Very nice! I take it with the chuck and aggressive cam that you are working with wood? I've wondered about rigidity for wood projects. Also would like to make clock dials, but I think wood would be easier to tackle first.

@timbg500 I'm looking at designing and building a rose engine with a geometric chuck. I like the idea of bringing back non-cnc stuff. Could you post pictures of yours?

Visité España hace más de 15 años. Siempre he querido visitar Mallorca. El Ferrocaril de Sóller sería genial para viajar. Me encanta el clima mediterráneo y es muy bueno para las herramientas de los talleres mecánicos. ¿Tiene un motor o barco de un tamaño específico que desea construir? I...

Hi Walker, I used to maintain a Soloy 47 and have worked on several lycs, geared and non geared. If you have the heli overhaul manual (for vertical types), you will get insight on critical dimensions. Calling them would be good, but they will likely not share their type design drawings. If you...

There may be some hesitancy without an NDA, but at a minimum, a dumb solid is necessary for most CNC shops. That is something younger people will be used to. With extra effort, animations (youtube) may be added as well for timing and rigging. Those creating castings have the advantage that...

Did some mountain flying with a good friend. Poked around for an elk herd I spotted earlier in the morning and did some box canyon flying. Still smiling.

Rendering shaders can do a pretty good job, but they require a lot of setting up and still lack control. It's a bit like CNC, where after careful setup you can throw any models at the shader, but it still looks like it came from a computer. Some goofing around this evening...

I'll get warping if the room temperature is too low. Could be the case if too high as well. Having the temp set to the "can" and adding supports usually solved my thin-walled prints.

Hopefully we can meet ways at the Black Hills Model Engineering Show if you still plan to attend. Doesn't sound like it would be a cheap roadtrip for you either. I need to sell a few things to even make it, but it would be great to pick up one of your horizontal Parsel & Weed kits. They sound...

I really got into paper and pencil after reading through Kozo's Shay. The perspective and iso views are so good, and he makes every line count to draw the eye to the point of interest. I try to apply some of his work when I illustrate non-geometric forms. The thing I like about JDW's drawings is...

Castings are the primary reason I enjoy the kits so much. I like that there's no single datum reference to start fixturing with. The grain, casting flaws, and the flash along parting lines give it a nice feel. The second part I enjoy is thinking through the dimensions and leveraging them as...