I Cannot concur...if I'm buying a 4in glass rocket I want the ability to fly at minimum 54&38...preferably 38-54-75. Now it's a go anywhere, fly low or high. L-2 L-3 Rocket. My opinion and we all know what opinions are worth...LOL
Ok first thing to do if you never built a glass rocket is read the "sticky" at top of this page...High Power..........
Even though I did this several yrs ago & some things have changed, this will give you the "basics" & background to build, understand, buy hardware/parts glue etc. with confidence any fiberglass rocket...with these techniques.
It was indexed so you can go directly to pages needed about anything. Yes it's a long read/book, when finished you will know how a little bit about everything.
Here's my favorite pick for a "do it all" L-2 Wildman 4in. Dual Deploy Vindicator.
Actually is mine: It has flown on these motors to these altitudes:
AT J-315 red 1698ft [2-grain 852 case]
AT J-275 white 2221 ft [2-grain 852 case]
4-grain CTI K-760 C* 6536ft
4-grain CTI K-400 green 4403ft
3-grain CTI J-760 WT 3357ft
6-grain CTI K-590 DT 8852ft
AT K-700 White lightening 8280ft.
Just a few of many, many flights this rockets has.
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Any of these will do same flight profiles I mentioned above....PLUS when you want to "hammer" time stick a big 54mm and get over 10,000ft.
You can also build the nose cone for doing dual deploy, with main in the cone itself. Remove payload, stick DD nose cone on fincan and fly with even smaller motors dual deploy.
OR bigger ones to greater heights!!!
Order one with 75mm motor hole & do both L-2 & L-3 go 12-14,000 with baby M's and High teen's to low 20'000's with big M's
All 4in versions.
Intimidator to mention a few. His site has just been re-done. Can't find it...put in search.
Anyone else's kits that fall in the above sizes will work equally as well. I have built and flown every kit above and by keeping detailed log books of every flight over the years, can tell how high they fly.