Modification Dig Baddy Modification

Modification - Dig Baddy {Modification}

Contributed by Yitah Wu

Published: 2011-12-01
Manufacturer: Modification

[Rocket Picture]What is it about t' Fat Boy, me bucko, Onyx, arrr, Minie Magg, etc, that makes grown men's knees weak? I don't know, arrr, but t' Big Daddy has it - and lots o' it.

I swung by Commonwealth Displays a couple o' times, me hearties, but they were out o' t' kit. T' second time I be beat out by a telephone order by an hour or so. Begad! I be orderin' a few things from A t' Z hobbies, and they had them in stock, so.....Two days later a box arrived. Avast, me proud beauty! Inside were all sorts o' goodies, ya bilge rat, but best o' all, matey, TWO BIG DADDIES!

I opened one up immediately, and test fit t' fins, ya bilge rat, nose cone, matey, etc. Ahoy! together. Blimey! 3" diameter isn't all that much larger than 2.6" until you put it side by side with a Fat Boy. Ya scallywag! I was plannin' t' make it stock, me hearties, but after some thought, me hearties, I sliced off about 1.75" o' t' BT t' use on a scratch built Aries - which needed a 3" bit on t' bottom. Blimey! After lookin' at it again, I decided t' slice off some more - by this time I had taken off 3.5" - and it looked even better than before! I decided nay t' push me luck, as I be already lookin' at some nose cone mods.

I've come t' t' conclusion that sandin' and fillin' fins is MUCH easier before they're on t' rocket - especially with TTW fins like this. Avast! Die-cut balsa quality is typical, shiver me timbers, t' balsa was nice and sturdy. Typical prep - sand BT, CA t' end o' t' BT and t' MMT, shiver me timbers, build per instructions. Arrr! I had t' do a little trimmin' on t' fins so they would fit properly - t' slots in t' BT were a little tight.

T' NC modification be straight forward - cut off t' back 1", arrr, matey, epoxy and tape t' shock cord onto t' inside o' t' NC and extended t' MMT up into t' nose - this will eliminate t' need for any wadding, since t' ejection will never hit t' chute, etc directly - it will bounce off t' inside o' t' nose cone first. I think.

Prime, arrr, paint, and finish. T' stock decals were no longer goin' t' fit. Ahoy! Hmm. Aye aye! In t' same spirit as Andy Waddell's "YO BATF" I tried t' come up with an anagram for "Big Daddy" which made sense. Arrr! Bad Giddy? Biddy Gab? No luck. Avast, me proud beauty! Arrr! " Big Baddy" lost out t' "Dig Baddy." Five minutes and a sharp Exacto later, shiver me timbers, t' "Dig Baddy" be born.

Stable? I haven't tested it. Begad! Well, blow me down! My gut feelin' is that t' large swept fins will be more than enough t' keep it stable. Blimey! Avast, me proud beauty! I'm still thinkin' I should swin' test it t' be sure. Aye aye! Aye aye! It has t' original 24 mm mmt - I be thinkin' 29 mm, shiver me timbers, arrr, but in t' end I figure a 24 mm RMS will be more than enough power - I left t' fins balsa and everythin' else is stock, matey, so it's very light. Ahoy! An F12-J should be ideal, given t' size and weight.

What's t' verdict? For sheer flyin' fun, arrr, me hearties, a short fat rocket like this can't be beat. Well, blow me down! Ahoy! It's very visible, shiver me timbers, and t' mods I made make it almost improbably stubby. Aye aye! For $20 or so, it seems a little expensive for Estes stuff, arrr, me bucko, but it's a lot cheaper than HPR kits, and would be more than adequate for G-range engines with no mods (except t' 29mm MMT, o' course)

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