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| mission:tech:aquarius:apu [2013/06/05 14:34] – external edit 127.0.0.1 | mission:tech:aquarius:apu [2015/02/10 22:56] – [Auxiliary Power Unit] chrono | ||
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| Honda uses a timing belt where Subaru implemented a gear/shaft based system. Since there was no opportunity to test both systems next to each other, there was no way of telling, whether the timing belt is actually less noisy than the gear/shaft based system, but in general, a belt should be quieter. | Honda uses a timing belt where Subaru implemented a gear/shaft based system. Since there was no opportunity to test both systems next to each other, there was no way of telling, whether the timing belt is actually less noisy than the gear/shaft based system, but in general, a belt should be quieter. | ||
| - | <note tip> | + | <WRAP round tip> |
| If you are having trouble getting the GX25 engine for a good price, start thinking out of the box: These engines, when bought as a single unit, seemed nowhere available for under 300EUR, but you might want to look for Honda UMS425 motor trimmers - which basically have the exact same engine, this one used to be an UMS425 too : | If you are having trouble getting the GX25 engine for a good price, start thinking out of the box: These engines, when bought as a single unit, seemed nowhere available for under 300EUR, but you might want to look for Honda UMS425 motor trimmers - which basically have the exact same engine, this one used to be an UMS425 too : | ||
| - | </note> | + | </WRAP> |
| ==== Specifications ==== | ==== Specifications ==== | ||
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| [{{: | [{{: | ||
| + | ~~CL~~ | ||
| ^ Attribute | ^ Attribute | ||
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| [{{ : | [{{ : | ||
| - | During the first run on the test-rig it was clear, that the Honda GX25 still is too noisy. So the first modification efforts will concentrated | + | During the first run on the test-rig it was clear, that the Honda GX25 still is too noisy. So the first modification efforts will focus on the development of a new muffler, a new air-intake/ |
| ~~CL~~ | ~~CL~~ | ||
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| {{: | {{: | ||
| - | <note tip> | + | <WRAP round tip> |
| If you are in need of any of these parts, just drop a note, it's very unlikely that these will ever be in the //somewhat more final// design, so these resources are free to share. | If you are in need of any of these parts, just drop a note, it's very unlikely that these will ever be in the //somewhat more final// design, so these resources are free to share. | ||
| - | </note> | + | </WRAP> |
| === Muffler === | === Muffler === | ||
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| * http:// | * http:// | ||
| - | * http:// | + | * http:// |
| * http:// | * http:// | ||
| * http:// | * http:// | ||