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TomBoy 48" kit

Advice on wood selection.

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Gary Murphy 125/05/2019 21:36:50
411 forum posts
14 photos

Done a couple of simple builds and fancy another. I wanted a good quality cut this time so got a Bel-Air Partial kit. So I need to buy strip and sheet OR all sheet and strip myself.

The supplied plan is good quality also BUT it gives no direction for wood hardness at all. The spars do not state balsa or spruce.

I am not going to build this with great skill so in general can anyone give a idea on balsa I should be ordering?

Martin McIntosh25/05/2019 22:27:49
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3322 forum posts
1169 photos

I built mine quite a few years ago but seem to remember using hard-ish balsa for the spars, the rest can be as light as you can get. The whole model will be very light anyway, especially if covered in Solarlite or similar.

Former Member26/05/2019 07:45:36

[This posting has been removed]

Gary Murphy 126/05/2019 10:09:07
411 forum posts
14 photos

I forgot to add "superior" to the TomBoy title.

Former Member26/05/2019 10:12:19

[This posting has been removed]

Phil Green26/05/2019 12:47:58
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1581 forum posts
318 photos

Keep the back end as light as poss wink

top.jpg

underside.jpg

Gary Murphy 126/05/2019 13:07:21
411 forum posts
14 photos

Sorry guys it is indeed the "senior" !!!!!

I am not the greatest builder,if it flies at all I am pleased.

I was going to go with a diesel BUT defo decided to go electric. Especially after seeing Phils Pictures. I am going to ask details about that if its a TomBoy Senior, That motor seems way small!

If you are still looking Phil can you give details and tips please?

Piers Bowlan26/05/2019 13:26:24
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2119 forum posts
53 photos

Perhaps if you cut a hole in the bulkhead before you build the model you won't require so much lead up front. Just move the battery further forward through the bulkhead to balance.

It is such a light model you won't need a very big motor or battery to power it.

My 2p's worth!

Former Member26/05/2019 13:39:29

[This posting has been removed]

Former Member26/05/2019 13:46:45

[This posting has been removed]

Martin McIntosh26/05/2019 15:28:28
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3322 forum posts
1169 photos

The Tomboy 48 is the Senior Tomboy. I use a Mills 1.3 which is what it was designed for. If you really must go leccy then you may as well use a large battery rather than add lead.

Martin McIntosh26/05/2019 16:10:23
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3322 forum posts
1169 photos

Yer tis, a bit grubby after a long layoff.

tomboy 48 001.jpg

tomboy 48 002.jpg

tomboy 48 003.jpg

PatMc26/05/2019 19:58:13
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4383 forum posts
524 photos

Gary, the 3rd post down in this link contains a downloadable pdf file of original article for the Tomboy Senior.

Gary Murphy 126/05/2019 20:15:19
411 forum posts
14 photos

Thank you Pat, very helpful.

Phil Green30/05/2019 00:43:18
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1581 forum posts
318 photos
Posted by Percy Verance on 26/05/2019 13:39:29:

Tis just a guess, but looking at that stick mounted motor plus the prop saver, I'd say it was the original 30 odd inch span version Gary.

No its the 48" Tomboy Senior, rudder only S/C and the motor is the old favourite "Blue Wonder" 1400kv.  It runs from a 3S 1000 and an 8x3.8 slowfly prop. Its about 90 watts flat out but cruises nicely at about half.

 
Cheers
Phil

 

Edited By Phil Green on 30/05/2019 00:44:17

Gary Murphy 130/05/2019 09:36:56
411 forum posts
14 photos

The plan I have states its a boddington model from smeed original.

Seen pictures of other tomboys and seniors and some have diagonal braces on the fuselage sides. the plan I have show none. is this a personal thing or are there other adaptions of plan.

is it worth doing ?

Simon Feather30/05/2019 11:59:04
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239 forum posts
175 photos

remember this other Tomboy thread....

**LINK**

Gary Murphy 130/05/2019 13:59:42
411 forum posts
14 photos

Simon,leave it out! I have trouble building one they flies normally.

David Davis30/05/2019 17:13:22
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3680 forum posts
688 photos
Posted by Gary Murphy 1 on 30/05/2019 09:36:56:

The plan I have states its a boddington model from smeed original.

Seen pictures of other tomboys and seniors and some have diagonal braces on the fuselage sides. the plan I have show none. is this a personal thing or are there other adaptions of plan.

is it worth doing ?

I once built a Tomboy and when I unpinned the fuselage from the building board it went out of shape. I probably hadn't fitted the sheet between the first two uprights but if I were to build another I'd certainly use diagonals.

Phil Green02/06/2019 11:56:20
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1581 forum posts
318 photos

The trick is to steam the bent bits so they retain their shape before pinning down

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