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Member postings for Jim Purcha

Here is a list of all the postings Jim Purcha has made in our forums. Click on a thread name to jump to the thread.

Thread: Moon landing
20/07/2019 02:30:39

I went into work today expecting some talk about the moon landing. Then i realized,I'm the only person in the office "old" enough to remember watching the event on tv.


Thread: I.H. Brown
13/03/2019 00:46:38

Jan, after years of searching the internet groups looking for fantrainer plans. Why don't you just draw up your own.


Thread: Which part of building a new traditional balsa model plane do you enjoy the most?
12/10/2018 16:37:21

I like the building stage. I could build forever, my problem is getting the plane into the air.


Thread: Ripmax Bullet
19/09/2018 22:13:49

Posted by alex nicol on 28/12/2017 11:23:55:

Found a plan on aerofred, so have decided it's time have a go at balsa bashing again


Did you find the Bullet on Aerofred? Could not find it there at all.

There are other plans called Bullet. 

Edited By Jim Purcha on 19/09/2018 22:22:05

Thread: Film covering
20/06/2018 00:12:36

I would be careful applying heat between edges of over lapping colors of oracover (ultrakote). Too much heat and the edges tend to shrink away. Monokote has better adhesion on over lapping colors. Have a damp cloth covering the edge to reduce the heat buildup.


Thread: Bae Hawk by D. Crawford
29/01/2018 03:03:36

Know we just have to wait for spring. The pushrods and tank are installed. The servos checked out. As to have the balance checked. Finished trimming the canopy.




Thread: Hobbico - files for Bankruptcy
11/01/2018 01:02:24

Read it here:

Thread: Acro Wot ARTF (balsa) chat
09/09/2017 15:43:03

Maybe some one could help me with this. I purchased an Ripmax Acro Wot MK2t and Wot Wot biplane ARF. I live in Canada. I forgot to get the IC package for both. It is to costly to purchase and ship the IC package (engine mount, tank and spinner). I'm more concerned about the engine mount. Does any one have the dimensions of the mount? Engine mount hole pattern to the top of the main rail? I would like to compare it to what I can purchase locally from Horizon Hobby, Great Planes or Sig Mfg.



Thread: Babybolt RCM&E Feb 2017 free plan
01/05/2017 23:30:55

Thanks for the information. I guess the kits are still coming from the UK.The $169 USD becomes $231 CAD for me. Ouch. Might to cut locally or by hand. I have built several kits over the last 40 years. This wouldn't be my first build.


28/04/2017 02:25:41

To: Jim in Virginia,

Evening Jim, what motor and esc are you using on the Baby Bolt.

Too many nice free plans to decide to build from RCM&E.

Great that i might be able to order plans and kit from Traplet USA.

Jim in La Salle, MB - Canada.laugh

Thread: Bae Hawk by D. Crawford
27/04/2017 04:17:23

A bit of a discussion on RCgroups on this build on the correct CG point for this model. The plans call out 6.25" from the LE at the fuselage.Which works out to 39% of the MAC. It was recommended I start with 30% of the MAC which places the CG at 5.3" from the LE of the wing at the fuselage.

The photo shows the plane balanced with the battery pack behind the wing at the 30% MAC position.

rcme-hawk 45_plan-cg.jpg


25/04/2017 00:12:42

Tried to finish the plane for the club spring "Show and Tell". I got most of the plane complete, just need pushrods installed, fuel tank and be balanced. It is presently very nose heavy. I have to check the CG of the model. Presently the model is 5.43 lbs.



Outside in the spring sunshine.


At the community club. Great "Lucky13" for the voters.


Edited By Jim Purcha on 25/04/2017 00:36:08

Thread: Ripmax ARTF Wots Wot
15/04/2017 22:30:14

Thanks, whatever the material is, the girls in the shop do a btter covering job than me.

What's everyone using for an engine? This is my first biplane.The look seems to cryout 4 stroke.

The snow and ice have left the field, and flying is being here in Winnipeg, Canada. I have to finish by Hawk for next weekends "Show and Tell" at spring club meeting.


Edited By Jim Purcha on 15/04/2017 22:30:55

Edited By Jim Purcha on 15/04/2017 22:32:59

15/04/2017 13:30:30

What brand of covering is used on the Ripmax Wots Wot ARF?



Thread: Bae Hawk by D. Crawford
20/03/2017 23:18:28

Covered and glued the ailerons, rudder and elevator to the fuselage.


Thread: Bubble canopies
14/03/2017 17:23:30

You can check out Tower Hobbies in the US.

There is also


Thread: Bae Hawk by D. Crawford
13/03/2017 03:03:58

Some work done this week on the tips.



07/03/2017 00:35:11

Posted by Nigel R on 06/03/2017 12:53:38:

Looking good in the red & white.

How are you treating of the cowl area? Clearcote around the nose first, film next, then over the edges of film with more clearcote?

HI Nigel, no clear coat. I painted the inside of the cowl with finishing epoxy resin then a coat of Sig Grey dope (fuel proof). The nose ring was also painted with grey dope.


06/03/2017 12:46:51

Thanks Steve, It is some what based on a real scheme. I first saw this photo of a classic pattern plane, then found the BAE Hawk in a the same colours. I changed the red roundel to Canadian Maple Leafs (couldn't cut a small enough perfectly round circle). Empire Test Pilot Flight School. My son wanted me to make the roundel a black Star Wars "Empire" symbol.




Edited By Jim Purcha on 06/03/2017 12:48:51

Edited By Jim Purcha on 06/03/2017 12:51:38

06/03/2017 03:41:19

Managed to get some work done on the wing this weekend. Almost covered. Wing tips and markings left.




Edited By Jim Purcha on 06/03/2017 03:42:03

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