{"product_id":"o-s-speed-21gt-engine-r21gt-ii-1-1dt00","title":"OS Speed ​​.21GT Engine R21GT II (1) - 1DT00","description":"\u003cdiv id=\"Text3LYR\" class=\"TextObject\"\u003e\n\n\u003ch2\u003eOS Speed ​​.21GT Engine R21GT II (1) - 1DT00\u003c\/h2\u003e\n\n\u003ch3\u003e The powerful GT engine has evolved into the next generation! !!\u003c\/h3\u003e\n\n\u003cp\u003e The OSSPEED R21GT has inherited the smoothness and good fuel efficiency of the previous model, which was very well received in the European market, the home of GT cars.\u003c\/p\u003e\n\n\u003cp\u003e The feeling of performance in the medium and low speed ranges has been improved by reworking the crankshaft balancer. Additionally, the redesigned inner head improves no-load performance, and an O-ring on the inner head ensures less vibration and greater dust resistance. The outer head was made lighter and further developed into the OSSPEED R21GT II with great attention to detail.\u003c\/p\u003e\n\n\u003cp\u003e The crankshaft is equipped with two tungsten counterweights. We optimized the mass balance by checking the detailed dimensions.\u003c\/p\u003e\n\n\u003cp\u003e The inner head has been revised. Low and medium speed feel and idle performance have been improved. An O-ring is also used to reduce vibration and improve dust resistance.\u003c\/p\u003e\n\n\u003cp\u003e The weight of the new outer head has been reduced compared to the previous model. The slats of the outer head were machined.\u003cbr\u003e\u003c\/p\u003e\n\n\u003cp\u003e Equipped with 5 flush ports and 3 exhaust ports to meet IFMAR regulations.\u003c\/p\u003e\n\n\u003cp\u003e Equipped with a double adjustable carburettor type 22E(B) GT. The new Venturi is 7.0MM(RED) AL2.\u003c\/p\u003e\n\n\u003cp\u003e \u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e Displacement: 3.49 cc \/ 0.213cu.in.\u003c\/li\u003e\n\n\u003cli\u003e Bore: 16.08mm \/ 0.633 in.\u003c\/li\u003e\n\n\u003cli\u003e Stroke: 17.20mm \/ 0.677 in.\u003c\/li\u003e\n\n\u003cli\u003e Power: 2.65 hp \/ 2.61 hp \/ 34,000 rpm.\u003c\/li\u003e\n\n\u003cli\u003e Practical speed range: 4,000-42,000 rpm.\u003c\/li\u003e\n\n\u003cli\u003e Weight: 362g \/ 12.77oz.\u003c\/li\u003e\n\n\u003cli\u003e Standard accessories-------------------------\u003c\/li\u003e\n\n\u003cli\u003e Glow plug RP7\u003c\/li\u003e\n\n\u003cli\u003e Venturi 7.0MM(RED)AL2\u003c\/li\u003e\n\n\u003cli\u003e Venturi 7.0MM(RED)AL2 exhaust seal ring\u003c\/li\u003e\n\n\u003cli\u003e Dust cap set(φ3、φ16、φ18)\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\n\u003c\/div\u003e","brand":"O.S.","offers":[{"title":"Default Title","offer_id":47738371572050,"sku":"1DT00","price":419.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/0277\/3586\/files\/gt2tanntai.jpg?v=1708864649","url":"https:\/\/checkout.rcxx.eu\/en\/products\/o-s-speed-21gt-engine-r21gt-ii-1-1dt00","provider":"RCXX - Shop for RC Models, DieCast \u0026 Plastic Models","version":"1.0","type":"link"}