We have not upsized to a full 24hr hopper as the resulting empty volume would be too large, and “puffs” from built up mixed gas would pose too much of a risk. Without an airlock system, there is a limit to how large you can safely go with a batch hopper. Too much volume and puffs become, well, very exciting. We decided we could go near twice as large as we’ve been running previously and still be safe. In doing so we’ve also added a much larger and better calibrated puff lid, as well as a good sealing fuel fill port.
Puffs are very rare with the GEK TOTTI architecture, as the “L” leg fuel path prevents open channels to the glowing char, and thereby prevents ignition pathways to hopper. Puffs were and are a constant with standard vertical architecture closed top gasifiers, thus the large sprung lids on the original Imbert. The TOTTI architecture has eliminated puffs as a regular feature of operation. Nonetheless we do need to prepare for rare outliers, and design the system accordingly. Such are the pleasures in moving from DIY curiosity to regular use consumer product.
Lastly, the filter condensate volume remains a 24 hr catch as before.
Thus with the v5.0 gasifier, we’ve finally rationalized all the output bins to the same full day/night run, and brought the hopper to around half of that. Shutdown is not required to refill the hopper, but is required at the day maintenance cycle to empty the catch cans.
Next week we’ll continue with more new features and functions of the v5.0. We expect to do one or two topics per edition, so this will take a few weeks. In the interim, you can see the summary of what is to come via the outline below.
– jim mason
CEO, All Power Labs
We have not upsized to a full 24hr hopper as the resulting empty volume would be too large, and “puffs” from built up mixed gas would pose too much of a risk. Without an airlock system, there is a limit to how large you can safely go with a batch hopper. Too much volume and puffs become, well, very exciting. We decided we could go near twice as large as we’ve been running previously and still be safe. In doing so we’ve also added a much larger and better calibrated puff lid, as well as a good sealing fuel fill port.Puffs are very rare with the GEK TOTTI architecture, as the “L” leg fuel path prevents open channels to the glowing char, and thereby prevents ignition pathways to hopper. Puffs were and are a constant with standard vertical architecture closed top gasifiers, thus the large sprung lids on the original Imbert. The TOTTI architecture has eliminated puffs as a regular feature of operation. Nonetheless we do need to prepare for rare outliers, and design the system accordingly. Such are the pleasures in moving from DIY curiosity to regular use consumer product. Lastly, the filter condensate volume remains a 24 hr catch as before. Thus with the v5.0 gasifier, we’ve finally rationalized all the output bins to the same full day/night run, and brought the hopper to around half of that. Shutdown is not required to refill the hopper, but is required at the day maintenance cycle to empty the catch cans.Next week we’ll continue with more new features and functions of the v5.0. We expect to do one or two topics per edition, so this will take a few weeks. In the interim, you can see the summary of what is to come via the outline below.– jim masonCEO, All Power Labs
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