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  1. jbiplane

    Homemade Silent Arrow

    May be a bit off-topic but can be interesting stuff for local public :) I saw in internet an interesting project silent arrow gd-2000 and make my variant of it. Surprisingly it took less time than expected and my team provide first drop tests from abandoned building in one month after project...
  2. jbiplane

    two 4-stroke retro boxer engines with spare parst

    Hello One my aquintance in Russia want to sell 2 engines with spare parts. Price 3700USD for Praga including TNT delivery (possible custom taxes dont counted). 2000USD for 4a084 including TNT delivery (possible custom taxes dont counted). Seem good mechanic can repair for perfect condition...
  3. jbiplane

    Tech specs of hybrid powercraft for 115kg airplanes ar motogliders

    I can produce a hybrid power plant of components I produce in my company www.flame-power.com - 2-stroke engine weighing 4.5 kg - generator electric starter weighing 2.5kg - 1.5kg weight control unit - reduction gear, etc. So far, this is a rough guess, requiring clarification: - power of the...
  4. jbiplane

    Source gears for 20...35hp engine reducers

    Does anyone have an idea where to source good quality gears to use in light engenes reducers? Yes it is possible to produce, but using of shelf components says of moto could cut the cost. For this power range helical gears with module 1.5 1.75 2mm will work fine. Big gear can have 56...60 teeth...
  5. jbiplane

    Lighweight opposite 2-stroke engines

    We produce 90,120, 183, 294, 350, 598cc opposites with our proprietary patented exhaust system. Engines have very small vibration level and can be delivered with Fuel injections, belt or gear reductions... The simplest configuration of 294 cc on photo. This engine suits well for paramotors...
  6. jbiplane

    SmartEMS - new Engine Management System for 2-stroke, 4-stroke and wankel engines

    Hi guys My company created cost effective and very easy to setup by nonprofessional ECU SmartEMS suited for 1 2 and 4 cylinder 2-stroke and 4-stroke engines (we have prof and standart as well) It manages fuel injection + ignition installed on 40cc 4-stroke and engine immediatelly run after...
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