leedrill Posted February 20, 2013 Posted February 20, 2013 ive read that sodium salicylate will produce more thrust for whistle rockets than that of sodium benzoate and that the benzoate will produce a more raspy whistle can anyone confirm this and let me know of any different precautions to take with the salicylate mix and any recommendations for the salicylate comps
Mumbles Posted February 20, 2013 Posted February 20, 2013 Danny Creagan has a nice library of whistle fuel tests if you want to take a look. http://www.wichitabuggywhip.com/fireworks/rockets/whistletests.html Basically the take home message I always get from his tests is that despite preconcieved notions of one being better than the other, it varies on a case to case and probably day to day basis. Everyone has their preferences though. My preference is for Potassium Benzoate mostly because I got a really good deal on a bulk buy a few years ago. There are some new rocket thrust rigs hitting the market, so perhaps some more reliable data and thrust curves will be made publicly available soon.
leedrill Posted February 20, 2013 Author Posted February 20, 2013 sodium seems to be easy to aqquire any ideas on where to source pot benzo id love to get a good bulk buy which industry uses it ive tried soap and jam makers but none seem to use it anymore
Mumbles Posted February 20, 2013 Posted February 20, 2013 I could help you out in the US, but I wouldn't have the first idea for Australia. Food service suppliers and places that cater to home made soft drinks, jam, spices, etc. would be where I'd start looking.
WonderBoy Posted February 21, 2013 Posted February 21, 2013 I like sodium benzoate. I also like lifting heavy shells. One of the benefits of benz whistle is that you can use a much longer spindle than you can with straight sali whistle; I like to use my standard BP spindle. Using this combination my 1lb motors can easily lift two break 4" shells. WB
sabidao Posted April 26, 2021 Posted April 26, 2021 Considering the price, benzoate is more cheap than sali (cheap is better xD),Sali produce more thrust, but, if you have $100 of sali you'll make 20 rockets, with $100 of benzo, you make 3 times more.
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