Trophy 3.5 Runaway Results in Blown engine & costly repairs
Quite exciting but also pretty costly as well. The Trophy 3.5 totally lost
control, I believe due to a Faulty switch, and shot of into a brick wall.
Unfortunately it turned over on it's back and sat revving full throttle for
too long before I could get to it, resulting in the engine being totally
killed (And I mean, totally) beyond repair. Enjoy this video and I am still
debating what to do with it now.
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Complete Nitro Engine Tear Down- All the way down to the bearings!
Check out Squirrels forum! http://forums.thetoyz.com
This vid is on engine dissasembly for a nitro rc engines. It involves the
removal of the carburetor or carb, cleaning out the piston and the sleeve,
removing the backplate, the pull start roto start pullstart rotostart ez
start toger drive etc, one way bearing high speed needle hsn, low speed
needle lsn middle speed needle msn, flywheel fly whyeel clutch nut, clutch
shoes, springs, clutch bell cb, small or large block, grub screw, nitro,
crank shaft, collar, cooling head Exhaust port intake ports, engine head spacers,
cleaning, lubricating or lubing, and reassembly.
testing 50%rc-nitro an 50%gas/oil failed kinda
this motor has bin abused an the fly wheel had broken off before so i
welded it back on an it still broke off so ill have to get anuther motor to
do theas tests
[when it broke before ther was alota preshser on the shaft it ] this time
it was just high rpm
it did seam to run good on the nitro till the flywheel let go
X-DYNO Tested - Reedy VR-ST .21 Nitro Engine_ Velocity RC Magazine
We fire up X-Dyno to
get some hard numbers on the Reedy VR-ST .21 nitro mill. Former factory
Yamaha Supercross mechanic Brian Kinney is at the controls hacking out a
perfect tune and maximizing output. BK has also designed nitro engines for
the RC hobby and really knows his stuff. Check out the full Reedy 121
engine review with Dyno charts and graphs in
Final X-Dyno Data
HP: 1.30 @ 24,300rpm (peak corr. hp)
TQ: 55.42 @ 23,900rpm (peak oz. in. tq)
Peak Dyno RPM: 43,000
(peak rpm measured)
Low Avg HP: 36.07/.58 (oz. in. tq/corr. hp)
High Avg HP: 31.53/.86 (oz. in. tq/corr. hp)
Camera_ Derek Buono
Intro_ Wes While
Editing_ Jeff Eveleigh