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, shiver me timbers, Onyx, arrr, ya bilge rat, Minie Magg, etc, me hearties, that makes grown men's knees weak? I don't know, but t' Big Daddy has it - and lots o' it.

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

I opened one up immediately, ya bilge rat, and test fit t' fins, nose cone, ya bilge rat, etc. Avast! together. Aye aye! 3" diameter isn't all that much larger than 2.6" until you put it side by side with a Fat Boy. I be plannin' t' make it stock, but after some thought, I sliced off about 1.75" o' t' BT t' use on a scratch built Aries - which needed a 3" bit on t' bottom. Well, blow me down! 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. Die-cut balsa quality is typical, t' balsa be nice and sturdy. Typical prep - sand BT, CA t' end o' t' BT and t' MMT, build per instructions. 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", 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. Begad! Well, blow me down! I think.

Prime, me bucko, paint, me hearties, me hearties, and finish. Ahoy! T' stock decals were no longer goin' t' fit. Hmm. Blimey! 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. " Big Baddy" lost out t' "Dig Baddy." Five minutes and a sharp Exacto later, t' "Dig Baddy" was born.

Stable? I haven't tested it. Blimey! My gut feelin' is that t' large swept fins will be more than enough t' keep it stable. I'm still thinkin' I should swin' test it t' be sure. It has t' original 24 mm mmt - I was thinkin' 29 mm, ya bilge rat, 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, ya bilge rat, ya bilge rat, so it's very light. Well, blow me down! Arrr! An F12-J should be ideal, given t' size and weight.

What's t' verdict? For sheer flyin' fun, me hearties, a short fat rocket like this can't be beat. Well, blow me down! It's very visible, arrr, and t' mods I made make it almost improbably stubby. Avast, me proud beauty! For $20 or so, arrr, it seems a little expensive for Estes stuff, ya bilge rat, 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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