4mm is pretty thick. I used about that when making arms for a 1/6 Merkava and
it turned out to be way too stiff. I could stand in the tank (230 pounds) and
the suspension would barely deflect. SV015 used thinner wire which turned out
to be about right for a 50 pound tank.
The wire I used was hobby shop music wire for airplanes. They were not heated
or annealed before bending. I did break a couple yet most bends were just
fine. Each wire was clamped in a vice and hammered over to bend. If I was
doing it today, I would invest in a quality wire bender and use more radius to
keep the wire from kinking at the bend.
For a simple suspension system, it works very well. It is not scale, but it
works amazingly well. :)
Mike M
From: taranaki tanker <[email protected]>
To: R/C Tank Combat <[email protected]>
Sent: Friday, September 23, 2016 8:52 PM
Subject: [TANKS] Torsion spring making
Was wondering if anyone has an idea for bending up 4mm spring wire to make
torsion bars like Mike Magnus did for the SV015 spartan. Tried to bend one into
shape and it broke on the the second bend. Would spot annealing with a gas
torch help.
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