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Classic Goldwing Technical Forums
Goldwing Customization & Tricks
C5 using a VOES switch
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<blockquote data-quote="C5Performance" data-source="post: 137592" data-attributes="member: 2938"><p>For those of you not tired of my grade school drawings, lets ramp it up a bit. </p><p></p><p>The next picture is a more accurate portrayal of a "real timing curve". </p><p>We previously agreed that timing only needs to be pulled back or "retarded" in the operating rpm range while driving. </p><p></p><p>Here you can see how we ignite the fuel closer and closer to TDC (piston reaches the top of its stroke) as the LOAD of the engine increases. Again, this is because the harder the piston works against a LOAD the faster your fuel burns. </p><p></p><p>So at cruising rpm we can create steps. Each step provides correct "timing" for a given LOAD. </p><p>Using our accurate RPM based mapping, and introducing a toggle switch, rotary switch (Brian), or VOES (Dan) you can match the spark event to the LOAD your bike is working against. </p><p></p><p>!!!! Remember, there is a device on every motorcycle (except a speedway bike) that can accomplish the same thing. It's called a transmission. Normally when your motorcycle climbs a steep hill or hauls a sidecar/trailer you just drop a gear or two and match the engine LOAD to your timing. </p><p></p><p>In this case, we begin to see there is another way! We change our timing to match our engine LOAD. </p><p></p><p> :yahoo:</p></blockquote><p></p>
[QUOTE="C5Performance, post: 137592, member: 2938"] For those of you not tired of my grade school drawings, lets ramp it up a bit. The next picture is a more accurate portrayal of a "real timing curve". We previously agreed that timing only needs to be pulled back or "retarded" in the operating rpm range while driving. Here you can see how we ignite the fuel closer and closer to TDC (piston reaches the top of its stroke) as the LOAD of the engine increases. Again, this is because the harder the piston works against a LOAD the faster your fuel burns. So at cruising rpm we can create steps. Each step provides correct "timing" for a given LOAD. Using our accurate RPM based mapping, and introducing a toggle switch, rotary switch (Brian), or VOES (Dan) you can match the spark event to the LOAD your bike is working against. !!!! Remember, there is a device on every motorcycle (except a speedway bike) that can accomplish the same thing. It's called a transmission. Normally when your motorcycle climbs a steep hill or hauls a sidecar/trailer you just drop a gear or two and match the engine LOAD to your timing. In this case, we begin to see there is another way! We change our timing to match our engine LOAD. :yahoo: [/QUOTE]
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Goldwing Customization & Tricks
C5 using a VOES switch
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