Republic SeaBee (oz946)
About this Plan
Republic SeaBee. Radio control sport-scale amphibian model for .23 - .35 engines.
Quote: "The Seabee was a fine idea with a strong attraction to almost anyone interested in the ultimate airplane. The design has a certain amount of sex appeal not found in the average airplane. There was an old rumor that the Seabee was underpowered and it can now be told that, indeed, it was too much airplane for the size engine available at the time. Today, the original 210hp Franklin has. more than likely, been replaced with engines varying from 265hp up to 350hp. The Bee would true out at around 90mph low cruise, 115 at high; this, and patience, would get you anywhere!
It has been the author's experience that most model builders are constantly on the lookout for a challenge. Let me assure you, before going any further, that the Seabee RC has all the basic requirements necessary to make it a prime candidate for anyone on a challenge search. It is a true marriage of the airplane and the boat, known as an amphibian. All of this pushed ahead with a power plant located behind the CG - and therein lies the real challenge.
The two problems most associated with an RC configuration of the Seabee type are:
1. tail heaviness.
2. cooling the engine on a pusher installation.
Cooling is no problem in the air, but on the ground you will want to hold engine runs to a minimum (particularly on a hot day). This is not an unbearable situation: it's just one you must be aware of and exercise the necessary caution.
The fuselage construction is unique. As you can see by studying the plans, it is quite different from the normal. Remember that you are building an amphibian so there are some unusual curves involved. As in all boat construction, the keel is laid first. Make the forward section of the keel from 1/8 plywood sheet (no warp allowed) and the aft sections from 1/8 hard balsa.
To keep the tail light, lightening holes are recommended as shown on the plans. I used an X-Acto hole cutter in my hand drill motor which does a neat job if the blade is sharp. Practice on a piece of scrap first..."
Update 21/01/2014: Replaced this plan with a much clearer version also article pages, thanks to JJ.
Update 19/02/2016: Added CAD file thanks to bmutlugil.
Quote: "I just remembered that I had traced into Autocad the wonderful Seabee plans by Tom Mountjoy from one of the RCM 1977 issues; it is attached for those that might be interested... I intend to build one of these sometime, so I traced them. The plan has separate layers for the original engine and an electric motor - besides other layers - these have to be turned on or off as needed. The electric motor suggestion should not be taken seriously, there may be more suitable ones."
Supplementary file notes
Article pages, text and pics.
This plan is available for download in CAD format.
Did we get something wrong with these details about this plan (especially the datafile)?
That happens sometimes. You can help us fix it.
Add a correction
by Tom Mountjoy
from RCMplans (ref:671)
Scale IC R/C Floatplane Pusher Civil
all formers complete :)
got article :)
Found online 30/04/2011 at:
Format: • PDFbitmap • CADfile
Credit*: GeorgeG97322, JJ, bmutlugil
Republic_RC-3_Seabee | help
see Wikipedia | search Outerzone
ScaleType: This (oz946) is a scale plan. Where possible we link scale plans to Wikipedia, using a text string called ScaleType.
If we got this right, you now have a couple of direct links (above) to 1. see the Wikipedia page, and 2. search Oz for more plans of this type. If we didn't, then see below.
ScaleType is formed from the last part of the Wikipedia page address, which here is https://en.wikipedia.org/wiki/Republic_RC-3_Seabee
Wikipedia page addresses may well change over time.
For more obscure types, there currently will be no Wiki page found. We tag these cases as ScaleType = NotFound. These will change over time.
Corrections? Use the correction form to tell us the new/better ScaleType link we should be using. Thanks.
Do you have a photo you'd like to submit for this page? Then email email@example.com
User commentsNo comments yet for this plan. Got something to say about this one?
Add a comment
* Credit field
The Credit field in the Outerzone database is designed to recognise and credit the hard work done in scanning and digitally cleaning these vintage and old timer model aircraft plans to get them into a usable format. Currently, it is also used to credit people simply for uploading the plan to a forum on the internet. Which is not quite the same thing. This will change soon. Probably.
This model plan (like all plans on Outerzone) is supposedly scaled correctly and supposedly will print out nicely at the right size. But that doesn't always happen. If you are about to start building a model plane using this free plan, you are strongly advised to check the scaling very, very carefully before cutting any balsa wood.
© Outerzone, 2011-2021.
All content is free to download for personal use.
For non-personal use and/or publication: plans, photos, excerpts, links etc may be used, provided that full and clear credit is given to Outerzone with appropriate and specific direction to the original content i.e. a direct hyperlink back to the Outerzone source page.
Unauthorized use and/or duplication of this material without express and written permission from this site's owner is strictly prohibited. If we discover that content is being stolen, we will consider filing a formal DMCA notice.