O.S. (#11385) - O.S. Speed 12 TZ Spec II 2 - NEW OS MOTOR
This is the O.S. Max 12TZ Spec II (P) Pilot Crankshaft
Speed Tuned Engine for 1/10 scale racing.
Meets IFMAR specifications.
*** as a result of powerful associated with the TZ Series Engines ***
*** OS doesn't offer a guarantee using this motor ***
QUALITIES: Silicon filled crankshaft Nine fin aluminum air conditioning mind, black colored in color Two-piece turbo cylinder head with magnesium exterior mind Ceramic backside ball bearing 11HBS Slide Valve Carburetor (OSMG3667) Round backside exhaust
INCLUDES: One O.S. Max 12TZ Spec II Pilot Shaft Speed Tuned motor with P7 glow plug (OSMG2695) 11HBS valve carb, decal sheet, guide 5.5mm carb reducer, and plastic exhaust sealing band
NEEDS: gas: 10%-30per cent nitro (recommend starting w/20per cent changing to a higher nitro content if required) with at the very least 16per cent lubricant air cleanser DTXG2612
SPECS: Bore: 0.543" (13.8mm) Stroke: 0.551" (14.0mm) Displacement: 0.128 cu in (2.1cc) Practical RPM Range: 5,000-44,000 Power production: 1.7 ps/35,000 RPM Weight: 7.336oz (208g)
Distance between mounting holes exact same part: 0.43" (11mm) Distance between mounting holes opposite side: 1.2" (31.4mm) Width not including mounting flanges: 1" (25.4mm) Width including mounting flanges: 1.5" (39mm) Height bottom of crankcase to top of cylinder head: 3.5" (89mm) Height crankshaft center to top of cylinder mind: 2.9" (74.2mm) Length from front of crankcase to end of crankshaft: 1.2" (29.5mm) Length center distinct piston to front of crankcase: 1.4" (34.8mm) Length center distinct piston to front of crankshaft: 2.5" (64.3mm) Length from backplate to get rid of of crankshaft: 3.1" (79.4mm) Length from backplate to front side of crankcase: 1.9" (49.9mm) Crankshaft threads: 1/4-28
COMMENTARY: Some notes on fall valve and rotary carburetors: Rotary carbohydrates provide a more substantial reaction in the center of the power musical organization. This is effective for off road applications when throttle reaction must certanly be varied. Slide Valve carbs offer greater reaction in the beginning and end associated with energy musical organization. This is effective for on-road and sporting applications for fast take-offs and high rate. Numerous high-performance engines have quick everyday lives, as racers constantly strive to "lean them away" for greater performance. Regrettably, additionally makes engines run hotter, which decreases their lives. Needle Valve (aka tall Speed Needle): about 2.5 turns from shut, page 19 in manual Mixture Control Screw (aka minimal Speed Needle): Factory set where slotted mind is flush with carbohydrate body, web page 25 in handbook Metering Needle: Factory set where slotted mind is flush with ball link human anatomy, web page 25 in manual Throttle avoid Screw: more or less 0.5mm available with the reducer removed (factory set)