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Caterham 420S
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420S Rainy Season Build in Western Washington
Timberline replied to Timberline's topic in Build Threads
Small question for a rainy day: has anyone else had to trim their windshield wipers? Both of mine are about 1/2 inch too long and hit the top and side of the windshield trim. I am planning on trimming them, but would like some reassurance. -
420S Rainy Season Build in Western Washington
Timberline replied to Timberline's topic in Build Threads
Literal blood, sweat, and tears -
420S Rainy Season Build in Western Washington
Timberline replied to Timberline's topic in Build Threads
Nope. Borrowed the magnets from a friend. Though I did shatter one... maybe I should find them a replacement... Lots of caution was needed as they could do damage. I did all the magnet handling on the other side of garage and stuck stacks to a shelf. That was when I broke one. Snapped my fingers a bunch of times too but I think it was worth it for the bond clamp up. -
420S Rainy Season Build in Western Washington
Timberline replied to Timberline's topic in Build Threads
Next thing I need to look at is steering connection and direction. I did a couple turn adjustment after my first drive to get the wheels closer to neutral, nothing fancy. I was happy with the shake down drives after that. However, this last drive, I started to notice steering center drift. I ended the drive with center on the steering wheel moving about 10 degrees to the side. Everything still feels connected, but I am very concerned and need to fix this before driving again. Any ideas on this would be much appreciated. -
420S Rainy Season Build in Western Washington
Timberline replied to Timberline's topic in Build Threads
I wanted to share my bond process as maybe it'll help out another builder. I did go with the M3 08115, there is no substitute for a dedicated 2 part adhesive. Good bonds are ones that have constant clamping force applied during cure, so I went with a different securing method: A couple pounds of shot over the wheel center was a feel good (a lot like the tape method), but the rare earth magnets directly over the wing stays were great. They applied a bunch of clamp up right where it was needed. This method really frees up other options because you can do it on the ground or can remove the wheels (taking care about wheel center). One thing I didn't like after getting too far into the process was cure temperature. It was 40s and 50s during the cure. Technically its okay by 3M, but I did hit all the adhesive with a heat gun initially and after 12/24 hours. If they fail, I'll just blame it on the temps, definitely not my methods... I was able to drive around with the magnets in place after 24 hours. Note: the sound of one sliding over and snapping to another while driving was a horrible sound! -
420S Rainy Season Build in Western Washington
Timberline replied to Timberline's topic in Build Threads
Catch up post on the build. Went out for another shakedown drive with all lights and fenders. Many fewer rocks in the seats this time! -
420S Rainy Season Build in Western Washington
Timberline replied to Timberline's topic in Build Threads
Thanks! I threw 8-9 gallons in for the engine start, so I can rule out a couple of those. Will start tracking the wires and looking for signal. -
420S Rainy Season Build in Western Washington
Timberline replied to Timberline's topic in Build Threads
Chugging along! Went for another drive today around the block with the front wings installed. Odometer ticked over to 000001. Celebrated the occasion by putting on the nose cone. Made a couple minor scratches to the paint. That is amazingly easy to do, thankfully they are in covered places. I've been ignoring this issue, but my fuel gauge doesn't come on, shows nothing. Is there a connector I am supposed to connect somewhere for this...? -
420S Rainy Season Build in Western Washington
Timberline replied to Timberline's topic in Build Threads
The build guide gives no indication for orientation either. In fact, the build guide rarely touches any of the harnessing, routing, or connectors. I wonder what they provide their builders for instructions…? -
420S Rainy Season Build in Western Washington
Timberline replied to Timberline's topic in Build Threads
Thankfully, flipping the fan over is a 10 minute job (with no nose installed). I did take a minute to deburr the cutout edges and add a wrap of electrical tape to the wires. After all that, I like it better on that side -
420S Rainy Season Build in Western Washington
Timberline replied to Timberline's topic in Build Threads
I misspoke. “Optional” was the word I was looking for. Can’t argue with a working solution -
420S Rainy Season Build in Western Washington
Timberline replied to Timberline's topic in Build Threads
@CBuff your pictures were so awesome getting me situated and routed. I followed your fan orientation, but think it may be upside down. Following @JohnCh advise, flipping the fan over puts the connector driver side. Connection and routing is shorter and feels way better just did it tonight! -
420S Rainy Season Build in Western Washington
Timberline replied to Timberline's topic in Build Threads
Another question because I am not mentally prepared for this. What adhesive did you all use for the front wings? Something states side. -
420S Rainy Season Build in Western Washington
Timberline replied to Timberline's topic in Build Threads
I need fenders and better wire routing before driving any further, so here is the question for the forum: what things can touch each other and what things should really have separation? I have work to do in the engine bay on the wires and pipes. List of concerns: Positive and ground battery cables routed together Main loom plug hanging in space over the bellhousing Fan wire is all over the radiator upper surface Wires are touching hoses Hoses are touching hoses Dogs and cats are living together -
420S Rainy Season Build in Western Washington
Timberline replied to Timberline's topic in Build Threads