Thanks Dave and Bob!
As I mentioned, this is such a wonderful kit. It helps that I work on the real thing every day.... so get a bit carried away! And can see details that may be harder to see if you work off photos or blueprints. But it's a labor of love!
So we are closed at the shop for a few weeks due to "that which shall not be named." But it's also the beginning of farming season, so I am splitting time between ditching, vines, dragging fields, etc. and playing. And numerous other projects from a Khyber Pass 6pounder breechloader to scrimshawing some powder horns. Yes, am a Horner, too!
Today, spent a few hours on the front axle.
First, did a bunch of smoothing and rounding. Also, made sure that the hubs could turn a full 180 degrees. A bunch of filing, and something I HIGHLY recommend for RC builders, Get those hubs turning a lot wider than the machined parts allow. Also, the aluminum used on the Armortek kits is the highest quality alloy. It welds so beautifully. But the downside is that it will gall at the drop of a hat. Aluminum on aluminum (sorry, forgot the extra I's) is the worst combination for anything riding together. If you are building an RC kit, I suggest cutting the space between the axle and stub axle with enough clearance to put in a hardened steel (or even mild steel) shim washer. This will keep the axle from galling and locking up. The weight of the car and the turning of the axle will eventually cause you issues, I think. I, on the other hand, LOVE working with this alloy for a display model because it machines, taps, welds so beautifully. Just watch the galling!
Here is the steering arm side of the axle. I used 4/40 US (sacrilege??) threaded rod to make studs and tiny nuts to make the steering drop arm connection look a bit more original. The Armortek front pivots are really well done and the axle design is great. I am keeping all the outside, but wanted to make the arm connections more authentic. Also... and it was just a matter of time... started using some Rolls-Royce parts, in this case, some linkage balls that are the perfect size to replicate the original balls. Here you can see the steering cross tube, just starting to get fitted.
As the left and right stub axles are different, I modified the left stub axle to get rid of the excess metal and three screw holes. Here, too, you can see the cross tube and one of the ends (sort of out of focus) as I try and set the steering.
Here is the steering ball pad. This will get an outer cover with outer cup tomorrow.
A couple of things in this photo... the ball is soldered in place and I'll be 'Faking" the nut below it tomorrow by gluing one on. Hey, I am not totally crazy.
Also, I don't want the kingpin turning in the axle eye. I want the stub axle turning top and bottom. So I drilled in order to put in a small 14BA bolt to hold the kingpin firm. On the original, the kingpin was on a 1:200 taper with a small screw holding it from turning. Kingpin goes in cold in a hot axle. Removing kingpin requires 20 ton press and a 5lb sledge. It's like an artillery round when it releases. But no need for that on model. Though for RC builders, again, I'd suggest attention here to ensure the kingpins run smoothly. Instructions say "Drop of oil" and may take a bit more than that.
Last, note that the axle beam has been smoothed, rounded and fettled, to look more like the drop forging it is. And it needed to say Rolls-Royce. So I made a brass plate, stamped it, and glued it into the recess. Darn it's hard to keep 1/16" stamps aligned. But once it's painted it will look fine. Paint covers all manner of errors!
That's it for today. More in the days ahead. Armortek kits make social distancing fun! Not that I'd be doing anything different with any other vacation!
Cheers,
RPR