New from Bailey Aviation, the V5 4 stroke lightweight paramotor. The V5 is available with a lightweight single hoop cage and chassis with 1.30m Helix carbon-composite propeller.
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Chassis and Cage Overview
The V5 design brief was to make a technically competent machine that is also aesthetically pleasing and easily transportable.
The Bailey V5 paramotor is designed, manufactured and assembled in house to exacting standards. The alloy cage and engine chassis are made from drawn aviation specification aluminium tube of various gauges giving maximum structural stiffness without adding excess weight. All tubes are precision TIG welded using filler rod of the same material to insure uniform strength and quality of finish. In the event of a very heavy landing or fall the cage is designed to deform & absorb impact, protecting the pilot and the main chassis. This ‘No compromise’ design has high structural rigidity in key stressed areas and is designed to be dismantled quickly & easily, leaving the chassis/engine to remain free standing when disassembled.
The V5 is the fifth generation of the world championship-winning Bailey Aviation 4-stroke engine, offering smooth, progressive power with low noise levels and superior fuel consumption. The culmination of 10 years producing engines, the V5 is our lightest and most compact design, offering effortless pull starting and a wide power band from idle to maximum RPM.
The Bailey V5 engine is a lightweight single cylinder 4-stroke engine with the unique ‘Bailey Easy Start System’ (BESS). This System enables the high compression V5 to be easily pull started by releasing 80% of the compression during cranking. Once started the system automatically disengages.
The V5 features a 2-piece CNC machined cast alloy crankcase, has a capacity of 195cc with two valves operated by a chain driven overhead camshaft. The oil system is fully pressurised with a pressure relief valve thus maintaining constant oil pressure regardless of the oil temperature or RPM.
The cylinder bore features a special coating for increased wear resistance and the crankshaft design features oversize bearings and an internal needle-roller bearing.
The crankshaft runs on two main bearings with a third bearing to accommodate drive belt loads. The integral prop speed reduction unit (PSRU) is driven via a Poly-V belt with eccentric belt tension adjustment.
Ignition is CDI (capacitive discharge) with integrated variable advance curve.
Carburation is by float type carburettor (CVK26) with a K&N air filter with rubber mounted anti-vibration bracket, fitted to any alloy inlet manifold.
Engine cooling is taken care of by our forced air cooling system, using a crankshaft mounted fan, ducted around the cylinder and head by our all-new injection moulded engine cowling, which also neatly houses the pulse fuel pump. The ignition CDI unit is also directly mounted to the engine on a custom bracket, making for an incredibly neat installation.
The engine has a 3 stage oil filtering system, with a replaceable oil filter that is easy accessible and a glass oil level window so you can easily check the oil level.
The exhaust silencer and downpipe are made from 304 Stainless steel for longevity, with a chrome plated engine-mounted mild steel exhaust bracket which houses our heavy duty sprung exhaust mounting clamps to allow for thermal expansion/contraction of the exhaust under all engine temperatures.
Every V5 engine is fully tested on our in-house test rig prior to being signed off for customer release.
We exclusively use the superb carbon-composite propellers made to our design by Helix Carbon GmbH in Germany. These top quality propellers are a 2 piece 1.30m, 2 blade design that slide together to produce an ultra-strong and lightweight set-up that can be easily stowed in the their supplied Bailey Aviation covers.
There are two different propeller mounting systems offered. The standard set-up has a six point fixing, featuring M8 studs that the propeller fits over, sandwiched either side by neoprene gaskets, with a red anodised clamp plate that fits on last and then secured with anti-vibration Nyloc nuts.
The optional mounting method is the Bailey Quick Release Propshaft (BQRP), which utilizes six 8mm dowel pins instead of threaded studs, so the propeller fits over the six dowel pins, again sandwiched by neoprene gaskets and then the quick release plate fits on last and a single bolt fixing secured with an 'R' clip enables fast and easy propeller removal and more evenly distributed clamping pressure. The Bailey Quick Release Propshaft (BQRP) is a very popular option and is supplied with its own bespoke prop bolt fastening spanner.
The V5 uses a new bespoke harness designed in collaboration between Bailey Aviation and Sup’Air of France.
This lightweight harness is rigid but comfortable and has lots of useful features, such as: Double lock Sup’Air caribiners, in flight accessible 6x9” pockets, quick release buckles, speed bar pulleys, adjustable leg support, secondary safety hang straps, rucksack type ground hang system and padded shoulder straps. The harness also has integral reserve bridle routing underneath Velcro padding – Perfect for fitting a Sup’Air reserve.
The harness is fitted to the chasiss with stainless steel quick release securing pins at the top and webbing loop straps that fit over red anodised bosses at the bottom. Our harnesses are also fitted with a clear plastic window on the left hand shoulder strap, designed to accept the optional PET2000DXR tachometer/hourmeter.
The harness has plenty of adjustment range and is available in either medium or large sizes. We find that most pilots are suited to the medium harness, but it may be necessary to use the large harness if you are over 6' 3" or 100Kg.