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

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

I opened one up immediately, ya bilge rat, and test fit t' fins, nose cone, etc. Blimey! Blimey! Blimey! Blimey! together. Arrr! Blimey! Blimey! Blimey! 3" diameter isn't all that much larger than 2.6" until you put it side by side with a Fat Boy. Avast! Blimey! Arrr! Blimey! Blimey! Blimey! I be plannin' t' make it stock, me hearties, me bucko, me bucko, but after some thought, shiver me timbers, I sliced off about 1.75" o' t' BT t' use on a scratch built Aries - which needed a 3" bit on t' bottom. 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! Blimey! Blimey! Blimey! I decided nay t' push me luck, me hearties, me bucko, as I was 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. Begad! Die-cut balsa quality is typical, me hearties, t' balsa be nice and sturdy. Typical prep - sand BT, CA t' end o' t' BT and t' MMT, build per instructions. Well, blow me down! 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, shiver me timbers, since t' ejection will never hit t' chute, etc directly - it will bounce off t' inside o' t' nose cone first. Begad! Begad! I think.

Prime, paint, ya bilge rat, and finish. Begad! T' stock decals were no longer goin' t' fit. Ya scallywag! Hmm. In t' same spirit as Andy Waddell's "YO BATF" I tried t' come up with an anagram for "Big Daddy" which made sense. Bad Giddy? Biddy Gab? No luck. Begad! " 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. Ahoy! Blimey! Well, blow me down! Blimey! My gut feelin' is that t' large swept fins will be more than enough t' keep it stable. Begad! Blimey! I'm still thinkin' I should swin' test it t' be sure. Blimey! Blimey! Begad! Blimey! It has t' original 24 mm mmt - I was thinkin' 29 mm, matey, shiver me timbers, 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, so it's very light. An F12-J should be ideal, ya bilge rat, ya bilge rat, given t' size and weight.

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

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